Danfoss VLT CDS302, VLT Series, VLT CDS303 Operating Instructions Manual

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Contents

Operating Instructions VLT® CDS302 and CDS303

1 Introduction

1.1.1 Sequence of Operation 5

2 Safety Instructions and General Warnings

2.1 Safety and Warnings

2.1.1 High Voltage Warning 6

2.1.2 Caution 6

2.1.3 Disposal 6

2.1.4 Software Version 6

2.1.5 Safety Instructions 6

2.1.6 General Warning 7

2.1.7 Leakage Current 7

2.1.8 Residual Current Device 7

2.1.9 IT Mains 7

2.1.10 Avoid Unintended Start 7

2.2 Safe Stop of the Frequency Converter

2.2.1 Terminal 37 Safe Stop Function 8

2.2.2 Safe Stop Commissioning Test 13

6 6

3 How to Install

3.1 Environment

3.1.1 Ambient Temperature and Altitude 14

3.1.2 Environmental Requirements for Mechanical Installation 14

3.2 Mechanical Installation

3.2.1 Accessory Bags 14

3.2.2 Mechanical Mounting 15

3.2.3 Mechanical Dimensions 15

3.3 Electrical Installation

3.3.1 Cables General 17

3.3.2 Removal of Knockouts for Extra Cables 17

3.3.5 Motor Compressor Connection 20

3.3.6 Motor Compressors Cables 21

3.3.7 Electrical Installation of Motor Compressor Cables 21

3.3.8 Compressor Motor Protection 21

3.3.9 Access to Control Terminals 21

3.3.10 Basic Wiring Example 22

14 14

3.3.11 Electrical Installation, Control Cables 24

3.3.12 Electrical Installation - EMC Protection 26

3.3.13 Safety Earth Connection 27

3.3.14 Basic Examples of Control Connections 28

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Contents

Operating Instructions VLT® CDS302 and CDS303

3.3.15 High Voltage Test 29

3.4 Fuses and Circuit Breakers

3.4.2 Recommendations 29

3.4.3 CE Compliance 30

3.5 Application Example - Pack Controller

4 Quick Set-up

5 How to Program

5.1 How to Program on the Graphical LCP

5.1.1 Control Panel 40

5.1.2 Display Lines 40

5.1.3 Display Contrast Adjustment 40

5.1.4 Indicator Lights 41

5.2 LCP Keys

5.2.1 Function Keys 41

5.2.2 Navigation Keys 41

5.2.3 Local Control Keys 41

5.2.4 Quick Transfer of Parameter Settings 42

40 40

5.2.5 Data Storage in LCP 42

5.2.6 Initialisation to Default Settings 42

5.2.7 Data Transfer from LCP to Frequency Converter 43

5.2.8 Parameter Selection 43

5.2.9 Changing Data 43

5.2.10 Changing a Text Value 43

5.2.11 Changing a Group of Numeric Data Values 43

6 Parameter Descriptions

6.1 LCP Display

6.1.1 LCP Programming 45

6.2 Parameters: 0-** Operation and Display

6.3 Parameters: 1-** Load and Motor

6.4 Parameters: 3 -** Reference/Ramps

6.5 Parameters: 4-** Limits/Warnings

6.6 Parameters: 5-** Digital In/Out

6.7 Parameters: 6-** Analog In/Out

6.8 Parameters: 7-** Controllers

45 45

46 52 53 57 59 69 73

6.9 Parameters: 8-** Communications and Options

6.10 Parameters: 13-** Smart Logic Control

6.11 Parameters: 14-** Special Functions

6.12 Parameters: 15-** Drive Information

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Contents

Operating Instructions VLT® CDS302 and CDS303

6.13 Parameters: 16-** Data Read-outs

6.14 Parameters: 25-** Cascade Controller

6.15 Parameters: 28-** Compressor Functions

6.16 Parameter Lists

6.16.1 Conversion 122

7 Troubleshooting

7.1.1 Warnings/Alarm Messages 142

8 General Specifications

Index

101 107 118 122

142

153

160

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130BC396.10

Introduction

Operating Instructions VLT® CDS302 and CDS303

1 Introduction

Illustration 1.1 Compressor Drive System

The Compressor Drive design and manufacturing expertise. Our extensive application knowledge of Refrigeration, Air Conditioning and Motion Controls ensures an optimised product design and package solution:

One package “plug & play” solution.

•

Operation efficiency.

•

Flexibility & best control accuracy.

•

Innovative and reliable solution.

•

The frequency converter is 100% pre-set for speed open loop configuration with 0-10 V reference corresponding to 1800 to 5400 RPM for CDS302 and 1500 to 6000 RPM for CDS303.

utilises and combines Danfoss

The dedicated frequency converter functionality includes:

Start Up

•

Once the frequency converter has a start command, the compressor runs up to 3000 RPM and remains at that speed for 10 s. Once this initial time is complete, the frequency converter slowly ramps to the reference speed.

Shut Down

•

The stop command bypasses the normal ramp time and the frequency converter ramps the compressor to stop fast.

Short Cycle Prevention

•

The frequency converter has a minimum running time of 12 s, with an interval between starts of 5 minutes (300 s). The short cycle delay values are adjustable in parameter group 28-0* Short Cycle Protection.

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Introduction

Operating Instructions VLT® CDS302 and CDS303

Oil Injection

•

The frequency converter cycles a solenoid valve via its relay 1. This ensures that the oil is distributed to the scroll set, improves tightness, and reduces internal gas leakage during the compression process.

Oil Management

•

If the speed of the compressor is below 3000 RPM for a determined amount of time (within 60 minutes), the boost cycle runs the compressor back to 4200 RPM for a determined amount of time (within 90 s). The maximum time between fixed boosts is limited to a determined amount of time (within 24 hours).

Discharge Temperature Limit

•

If the discharge temperature exceeds the warning level of 130 °C, the compressor drops in speed by 10 Hz for the next 3 minutes, then continues to drop 10 Hz for each 3 minutes for as long as the temperature is over the warning level. If the discharge temperature exceeds the emergency level of 145 °C, the compressor is stops.

Crankcase Heater

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On VSH088 and VSH117, when the compressor is stopped, the frequency converter provides a DC current to the compressor motor to keep the oil warm and to avoid needing an external crankcase heater. VSH170 needs an external crankcase heater (surface sump heater or belt type).

Low Pressure Switch

•

An LP switch is mandatory with the frequency converter compressor in any type of application.

High Pressure Switch

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The high pressure switch must be connected to input terminal 27 of the frequency converter in series with the other safety devices.

This alarm will be reset automatically after 30 s and the compressor will restart.

The necessary start settings, motor data and all the other preferred settings for each compressor type/size are set up by the manufacturer and are automatically set up by selecting the actual compressor in 1-13 Compressor Selection.

1 1

Sequence of Operation

1.1.1

All compressor types have strong demands to speed limits to ensure the oil lubrication of the bearings. This is the main reason for accelerating from standstill to minimum speed as fast as possible with a special start ramp when a start command is given. This is also the reason why the Compressor Drive trips with an alarm [A49] Speed Limit, if the speed falls below minimum speed e.g. when the current limit controller reduces the speed due to a high load. This alarm will be reset automatically after 30 s and the compressor will restart.

In case of a blocked rotor, the Compressor Drive trips with an alarm [A18] Start failed, if the speed fails to get above the minimum speed limit for the compressor within 2 s.

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Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

2 Safety Instructions and General Warnings

Compressors

2.1 Safety and Warnings

2.1.1 High Voltage Warning

WARNING

The voltage of the frequency converter is dangerous whenever the converter is connected to mains. Incorrect fitting of the motor or frequency converter may cause damage to the equipment, serious injury or death. Consequently, it is essential to comply with the instructions in this manual as well as local and national rules and safety regulations.

WARNING

Installation in high altitudes: By altitudes above 2 km, please contact Danfoss regarding PELV.

2.1.2 Caution

CAUTION

The CDS302 and CDS303 Compressor Drive™ DC link capacitors remain charged after power has been disconnected. To avoid an electrical shock hazard, disconnect the frequency converter from the mains before carrying out maintenance. Wait at least as follows before doing service on the frequency converter: CDS302: 11-22 kW 15 minutes CDS303: High voltage can be present on the DC link even when the LEDs are turned off.

2.1.3 Disposal

Illustration 2.1

Do not to throw away a used compressor, but dispose of it and its oil at a specialised recycling company site.

2.1.4 Software Version

CDS302 Operating Instructions Software version: 2.3x

These Operating Instructions can be used for all CDS302 Compressor Drives® with software version 2.3x. The software version number can be read in 15-43 Software Version.

Table 2.1

CDS303 Operating Instructions Software version: 1.0x

These Operating Instructions can be used for all CDS303 Compressor Drives® with software version 1.0x. The software version number can be read in 15-43 Software Version.

Table 2.2

Safety Instructions

2.1.5

Make sure that the frequency converter is

•

properly connected to earth Do not remove mains plugs or motor plugs while

•

the frequency converter is connected to mains Protect users against supply voltage

•

Protect the motor against overloading according

•

to national and local regulations Motor overload protection is included in the

•

default settings The earth leakage current exceeds 3.5 mA

•

The [Off] key is not a safety switch. It does not

•

disconnect the frequency converter from mains

Drive Equipment containing electrical components may not be disposed together with domestic waste. It must be separate collected with Electrical and Electronic Waste according to local and currently valid legislation.

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Operating Instructions VLT® CDS302 and CDS303

2.1.6 General Warning

WARNING

Warning: Touching the electrical parts may be fatal - even after the equipment has been disconnected from mains. Also make sure that other voltage inputs have been disconnected, such as load-sharing (linkage of DC intermediate circuit ).

Using CDS302 Compressor Drives®: Wait at least 15 minutes. Shorter time is allowed only if indicated on the nameplate for the specific unit.

2.1.7 Leakage Current

CAUTION

The earth leakage current from the frequency converter exceeds 3.5 mA. To ensure that the earth cable has a good mechanical connection to the earth connection (terminal

95), the cable cross section must be at least 10 mm2 or 2 times rated earth wires terminated separately.

2.1.8 Residual Current Device

CAUTION

This product can cause a DC current in the protective conductor. Where a residual current device (RCD) is used for extra protection, only an RCD of Type B (time delayed) shall be used on the supply side of this product. See also RCD Application Note, MN90G. Protective earthing of the frequency converter and the use of RCDs must always follow national and local regulations.

2.1.9 IT Mains

the [OFF] key before changing parameters. An electronic fault, temporary overload, a fault in the mains supply, or lost motor connection may cause a stopped motor to start. A frequency converter with Safe Stop provides a certain degree of protection against such unintended start, if the Safe Stop Terminal 37 is on low voltage level or disconnected.

2.2 Safe Stop of the Frequency Converter

The frequency converter can perform the safety function

Safe Torque Off (STO, as defined by EN IEC 61800-5-21) and Stop Category 0 (as defined in EN 60204-12).

Danfoss has named this functionality Safe Stop. Before integration and use of Safe Stop in an installation, perform a thorough risk analysis to determine whether the Safe Stop functionality and safety levels are appropriate and sufficient. Safe Stop is designed and approved suitable for the requirements of:

- Safety Category 3 in EN 954-1 (and EN ISO 13849-1)

- Performance Level "d" in EN ISO 13849-1:2008

- SIL 2 Capability in IEC 61508 and EN 61800-5-2

- SILCL 2 in EN 62061

Refer to EN IEC 61800-5-2 for details of Safe torque off

(STO) function.

Refer to EN IEC 60204-1 for details of stop category 0 and 1. Activation and Termination of Safe Stop The Safe Stop (STO) function is activated by removing the voltage at Terminal 37 of the Safe Inverter. By connecting the Safe Inverter to external safety devices providing a safe delay, an installation for a safe Stop Category 1 can be obtained. The Safe Stop function can be used for asynchronous, synchronous, and permanent magnet motors.

2 2

CAUTION

Do not connect 400 V frequency converters with RFI-filters to mains supplies with a voltage between phase and earth of more than 440 V. For IT mains and delta earth (grounded leg), mains voltage may exceed 440 V between phase and earth. Use 14-50 RFI 1 on the frequency converter to disconnect the internal RFI capacitors from the RFI filter to ground. If this is done, it will reduce the RFI performance to A2 level.

2.1.10 Avoid Unintended Start

While the frequency converter is connected to mains, the motor can be started/stopped using digital commands, bus commands, references or via the Local Control Panel (LCP). Disconnect the frequency converter from mains whenever personal safety considerations make it necessary to avoid unintended start. To avoid unintended start, always press

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WARNING

After installation of Safe Stop (STO), a commissioning test as specified in section Safe Stop Commissioning Test of the Design Guide must be performed. A passed commissioning test is mandatory after first installation and after each change to the safety installation.

Safe Stop Technical Data The following values are associated to the different types of safety levels:

Reaction time for T37

- Typical reaction time: 10 ms

Reaction time = delay between de-energizing the STO input and switching off the frequency converter output bridge.

Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

Data for EN ISO 13849-1

- Performance Level "d"

- MTTFd (Mean Time To Dangerous Failure): 24816 years

- DC (Diagnostic Coverage): 99%

- Category 3

- Lifetime 20 years

Data for EN IEC 62061, EN IEC 61508, EN IEC 61800-5-2

- SIL 2 Capability, SILCL 2

- PFH (Probability of Dangerous failure per Hour)=7e-10FIT=7e-19/h

- SFF (Safe Failure Fraction) >99%

- HFT (Hardware Fault Tolerance)=0 (1001 architecture)

- Lifetime 20 years

Data for EN IEC 61508 low demand

- PFDavg for one year proof test: 3, 07E-14

- PFDavg for three year proof test: 9, 20E-14

- PFDavg for five year proof test: 1, 53E-13

SISTEMA Data Functional safety data is available via a data library for use with the SISTEMA calculation tool from the IFA (Institute for Occupational Safety and Health of the German Social Accident Insurance), and data for manual calculation. The library is permanently completed and extended.

Abbrev. Ref. Description

Cat. EN 954-1 Category, level “B, 1-4” FIT Failure In Time: 1E-9 hours HFT IEC 61508 Hardware Fault Tolerance: HFT = n

means, that n+1 faults could cause a loss of the safety function

MTTFd EN ISO

13849-1

PFH IEC 61508 Probability of Dangerous Failures per

PL EN ISO

13849-1

SFF IEC 61508 Safe Failure Fraction [%]; Percentage

SIL IEC 61508 Safety Integrity Level

Mean Time To Failure - dangerous. Unit: years

Hour. Consider the PFH value when the safety device is operated in high demand (more often than once per year); or operated in continuous mode, where the frequency of demands for operation made on a safety-related system is greater than one per year. Discrete level used to specify the ability of safety-related parts of control systems to perform a safety function under foreseeable conditions. Levels a-e.

part of safe failures and dangerous detected failures of a safety function or a subsystem related to all failures.

Abbrev. Ref. Description

STO EN

61800-5-2

SS1 EN 61800

-5-2

Table 2.3 Abbreviations Related to Functional Safety

The PFD Failure probability in the event of a request of the safety function.

value (Probability of Failure on Demand)

avg

Safe Torque Off

Safe Stop 1

2.2.1 Terminal 37 Safe Stop Function

The frequency converter is available with safe stop functionality via control terminal 37. Safe stop disables the control voltage of the power semiconductors of the frequency converter output stage. This in turn prevents generating the voltage required to rotate the motor. When the Safe Stop (T37) is activated, the frequency converter issues an alarm, trips the unit, and coasts the motor to a stop. Manual restart is required. The safe stop function can be used as an emergency stop for the frequency converter. In normal operating mode when safe stop is not required, use the regular stop function instead. When automatic restart is used, ensure the requirements of ISO 12100-2 paragraph 5.3.2.5 are fulfilled.

Liability Conditions It is the responsibility of the user to ensure that qualified personnel installs and operates the safe stop function:

Read and understand the safety regulations

•

concerning health and safety/accident prevention Understand the generic and safety guidelines

•

given in this description and the extended description in the Design Guide

Have a good knowledge of the generic and safety

•

standards applicable to the specific application

User is defined as: integrator, operator, service technician, maintenance technician.

Standards Use of safe stop on terminal 37 requires that the user satisfies all provisions for safety including relevant laws, regulations and guidelines. The optional safe stop function complies with the following standards.

EN 954-1: 1996 Category 3

•

IEC 60204-1: 2005 category 0 – uncontrolled stop

•

IEC 61508: 1998 SIL2

•

IEC 61800-5-2: 2007 – safe torque off (STO)

•

function IEC 62061: 2005 SIL CL2

•

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Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

ISO 13849-1: 2006 Category 3 PL d

•

ISO 14118: 2000 (EN 1037) – prevention of

•

unexpected startup

The information and instructions of the instruction manual are not sufficient for a proper and safe use of the safe stop functionality. The related information and instructions of the relevant Design Guide must be followed.

Protective Measures

Qualified and skilled personnel are required for

•

installation and commissioning of safety engineering systems

The unit must be installed in an IP54 cabinet or

•

in an equivalent environment. In special applications a higher IP degree is required

The cable between terminal 37 and the external

•

safety device must be short circuit protected according to ISO 13849-2 table D.4

When external forces influence the motor axis (for

•

example, suspended loads), additional measures are required (for example, a safety holding brake) to eliminate potential hazards

Safe Stop Installation and Set-Up

safety. Do not use this function as a control for starting and/or stopping the frequency converter.

Follow these steps to perform a safe installation of the frequency converter:

1. Remove the jumper wire between control terminals 37 and 12 or 13. Cutting or breaking the jumper is not sufficient to avoid shortcircuiting. (See jumper on Illustration 2.2.)

2. Connect an external Safety monitoring relay via a NO safety function to terminal 37 (safe stop) and either terminal 12 or 13 (24 V DC). Follow the instruction for the safety device. The Safety monitoring relay must comply with Category 3 (EN 954-1)/PL “d” (ISO 13849-1) or SIL 2 (EN

62061).

2 2

WARNING

SAFE STOP FUNCTION!

The safe stop function does NOT isolate mains voltage to the frequency converter or auxiliary circuits. Perform work on electrical parts of the frequency converter or the motor only after isolating the mains voltage supply and waiting the length of time specified in 2.1 Safety and Warnings. Failure to isolate the mains voltage supply from the unit and waiting the time specified could result in death or serious injury.

It is not recommended to stop the frequency

•

converter by using the Safe Torque Off function. If a running frequency converter is stopped by using the function, the unit trips and stops by coasting. If unacceptable or dangerous, use another stopping mode to stop the frequency converter and machinery, before using this function. Depending on the application, a mechanical brake can be required.

For synchronous and permanent magnet motor

•

frequency converters, in a multiple IGBT power semiconductor failure: In spite of the activation of the Safe Torque Off function, the system can produce an alignment torque which maximally rotates the motor shaft by 180/p degrees. p denotes the pole pair number.

This function is suitable for performing

•

mechanical work on the system or affected area of a machine only. It does not provide electrical

Illustration 2.2 Jumper between Terminal 12/13 (24 V) and 37

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Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

Example with SS1 SS1 corresponds to a controlled stop, stop category 1 according to IEC 60204-1 (see Illustration 2.5). When

activating the safety function, the frequency converter performs a normal controlled stop. This can be activated through terminal 27. After the safe delay time has expired on the external safety module, the STO will be triggered and terminal 37 will be set low. Ramping down as configured in the frequency converter. If the frequency converter is not stopped after the safe delay time, the activation of STO will coast the frequency converter.

NOTE

When using the SS1 function, the brake ramp of the frequency converter is not monitored with respect to safety.

Illustration 2.3 Installation to Achieve a Stopping Category 0 (EN 60204-1) with Safety Cat. 3 (EN 954-1) / PL “d” (ISO 13849-1) or SIL 2 (EN 62061).

Example with Category 4/PL e application Where the safety control system design requires two channels for the STO function to achieve Category 4/PL e, implement one channel via Safe Stop T37 (STO) and the other by a contactor. Connect the contactor in either the

1 Frequency converter 2 [Reset] key 3 Safety relay (cat. 3, PL d or SIL2 4 Emergency stop button 5 Short-circuit protected cable (if not inside installation IP54

cabinet)

Table 2.4

Safe Stop Commissioning Test After installation and before first operation, perform a commissioning test of the installation using safe stop. Moreover, perform the test after each modification of the installation.

frequency converter input or output power circuits and controlled by the Safety relay (see Illustration 2.6). The contactor must be monitored through an auxiliary guided contact, and connected to the reset input of the Safety Relay.

Paralleling of Safe Stop input the one Safety Relay Safe Stop inputs T37 (STO) may be connected directly if it is required to control multiple frequency converters from the same control line via one Safety Relay (see Illustration 2.7). Connecting inputs increases the probability of a fault in the unsafe direction. A fault in one frequency converter can result in all frequency converters becoming enabled. The probability of a fault for T37 is so low, that the resulting probability still meets the requirements for

Example with STO

SIL2.

A safety relay evaluates the E-Stop button signals and triggers an STO function on the frequency converter in the event of an activation of the E-Stop button (See Illustration 2.4). This safety function corresponds to a category 0 stop (uncontrolled stop) in accordance with IEC 60204-1. If the function is triggered during operation, the motor runs down in an uncontrolled manner. The power to the motor is safely removed, so that no further movement is possible. It is not necessary to monitor plant at a standstill. If an external force effect can occur, provide additional measures to prevent any potential movement (for example mechanical brakes).

NOTE

For all applications with Safe Stop it is important that short circuit in the wiring to T37 can be excluded. Exclude the short circuit as described in EN ISO 13849-2 D4 by the use of protected wiring (shielded or segregated).

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130BC972.10

130BC973.10

130BC974.10

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Safety Instructions and Gen...

Illustration 2.4 STO Example

1 Frequency converter 2 [Reset] key 3 Safety relay 4 Emergency stop

Operating Instructions VLT® CDS302 and CDS303

2 2

Illustration 2.6 STO Category 4 Example

Table 2.5

1 Frequency converter 2 [Reset] key 3 Safety relay 4 Emergency stop

Table 2.7

Illustration 2.5 SS1 Example

1 Frequency converter 2 [Reset] key 3 Safety relay 4 Emergency stop

Table 2.6

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Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

The frequency converter is guaranteed not to restart creation of a rotational field by an internal fault (in accordance with Cat. 3 of EN 954-1, PL d acc. EN ISO

13849-1 and SIL 2 acc. EN 62061). After activation of Safe Stop, the display shows the text ”Safe Stop activated”. The associated help text says, "Safe Stop has been activated. This means that the Safe Stop has been activated, or that normal operation has not been resumed yet after Safe Stop activation”.

NOTE

The requirements of Cat. 3 (EN 954-1)/PL “d” (ISO 13849-1) are only fulfilled while 24 V DC supply to terminal 37 is kept removed or low by a safety device which itself fulfills Cat. 3 (EN 954-1) PL “d” (ISO 13849-1). If external forces act on the motor, it must not operate without additional measures for fall protection. External forces can arise for example, in the event of vertical axis (suspended loads) where an unwanted movement, for example caused by gravity, could cause a hazard. Fall protection measures can be additional mechanical brakes.

By default the Safe Stop function is set to an Unintended Restart Prevention behaviour. Therefore, to resume operation after activation of Safe Stop,

1. reapply 24 V DC voltage to terminal 37 (text Safe Stop activated is still displayed)

2. create a reset signal (via bus, Digital I/O, or [Reset] key.

Illustration 2.7 Paralleling of Multiple Drives Example

The Safe Stop function can be set to an Automatic Restart

Frequency converter

1 2 24 V DC 3 [Reset] key 4 Safety relay 5 Emergency stop

Table 2.8

WARNING

Safe Stop activation (that is removal of 24 V DC voltage supply to terminal 37) does not provide electrical safety. The Safe Stop function itself is therefore not sufficient to implement the Emergency-Off function as defined by EN 60204-1. Emergency-Off requires measures of electrical isolation, for example, by switching off mains via an additional contactor.

behaviour. Set the value of 5-19 Terminal 37 Safe Stop from default value [1] to value [3]. Automatic Restart means that Safe Stop is terminated, and normal operation is resumed, as soon as the 24 V DC are applied to Terminal 37. No Reset signal is required.

WARNING

Automatic Restart Behaviour is permitted in one of the two situations:

1. The Unintended Restart Prevention is implemented by other parts of the Safe Stop installation.

2. A presence in the dangerous zone can be physically excluded when Safe Stop is not activated. In particular, paragraph 5.3.2.5 of ISO 12100-2 2003 must be observed

1. Activate the Safe Stop function by removing the 24 V DC voltage supply to the terminal 37.

2. After activation of Safe Stop (that is, after the response time), the frequency converter coasts (stops creating a rotational field in the motor). The response time is typically less than 10 ms.

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Safety Instructions and Gen...

Operating Instructions VLT® CDS302 and CDS303

2.2.2 Safe Stop Commissioning Test

After installation and before first operation, perform a commissioning test of an installation or application, using Safe Stop. Perform the test again after each modification of the installation or application involving the Safe Stop.

NOTE

A passed commissioning test is mandatory after first installation and after each change to the safety installation.

The commissioning test (select one of cases 1 or 2 as applicable):

Case 1: Restart prevention for Safe Stop is required (that is Safe Stop only where 5-19 Terminal 37 Safe Stop is set to default value [1], or combined Safe Stop and MCB 112 where 5-19 Terminal 37 Safe Stop is set to [6] PTC 1 & Relay A or [9] PTC 1 & Relay W/A):

1.1 Remove the 24 V DC voltage supply to terminal 37 using the interrupt device while the frequency converter drives the motor (that is mains supply is not interrupted). The test step is passed when

the motor reacts with a coast, and

•

the mechanical brake is activated (if

•

connected) the alarm “Safe Stop [A68]” is displayed

•

in the LCP, if mounted

1.2 Send Reset signal (via Bus, Digital I/O, or [Reset] key). The test step is passed if the motor remains in the Safe Stop state, and the mechanical brake (if connected) remains activated.

1.3 Reapply 24 V DC to terminal 37. The test step is passed if the motor remains in the coasted state, and the mechanical brake (if connected) remains activated.

1.4 Send Reset signal (via Bus, Digital I/O, or [Reset] key). The test step is passed when the motor becomes operational again.

The commissioning test is passed if all four test steps 1.1,

1.2, 1.3 and 1.4 are passed. Case 2: Automatic Restart of Safe Stop is wanted and

allowed (that is, Safe Stop only where 5-19 Terminal 37 Safe Stop is set to [3], or combined Safe Stop and MCB 112 where 5-19 Terminal 37 Safe Stop is set to [7] PTC 1 & Relay W or [8] PTC 1 & Relay A/W):

2.1 Remove the 24 V DC voltage supply to terminal 37 by the interrupt device while the frequency converter drives the motor (that is

mains supply is not interrupted). The test step is passed when

the motor reacts with a coast, and

•

the mechanical brake is activated (if

•

connected) the alarm “Safe Stop [A68]” is displayed

•

in the LCP, if mounted

2.2 Reapply 24 V DC to terminal 37.

The test step is passed if the motor becomes operational again. The commissioning test is passed if both test steps

2.1 and 2.2 are passed.

NOTE

See warning on the restart behaviour in 2.2.1 Terminal 37

Safe Stop Function

NOTE

The Safe Stop function can be used for asynchronous, synchronous and permanent magnet motors. Two faults can occur in the power semiconductor of the frequency converter. When using synchronous or permanent magnet motors a residual rotation can result from the faults. The rotation can be calculated to Angle = 360/(Number of Poles). The application using synchronous or permanent magnet motors must take this residual rotation into consideration and ensure that it does not pose a safety risk. This situation is not relevant for asynchronous motors.

NOTE

The Safe Stop function can be used for asynchronous, synchronous and permanent magnet motors. It may happen that two faults occur in the frequency converter's power semiconductor. When using synchronous or permanent magnet motors this may cause a residual rotation. The rotation can be calculated to Angle = 360/ (Number of Poles). The application using synchronous or permanent magnet motors must take this into consideration and ensure that this is not a safety critical issue. This situation is not relevant for asynchronous motors.

2 2

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RELAY 1

RELAY 2

130BT346.10

WARNING:

Risk of Electric Shock - Dual supply

Discunnect mains and loadsharing before service

130BT347.10

WARNING:

Risk of Electric Shock - Dual supply Disconnect mains and loadsharing before service

130BA406.10

61 68 6

39 42 50 53 54 5

03 02 01

06 05 04

C D

J K

WARNING:

Risk of Electric Shock - Dual supply Disconnect mains and loadsharing before service

ISOA0021

130BT348.10

Risk of Electric Shock - Dual supply Disconnect mains and loadsharing before service

WARNING:

RELAY 1

RELAY 2

How to Install

3 How to Install

Operating Instructions VLT® CDS302 and CDS303

3.1 Environment

3.1.1 Ambient Temperature and Altitude

The normal ambient temperature supported by the CDS is

-10 °C to +50 °C without derating. The CDS operates

normally down to -20 °C with only the LCP display function impaired but without performance reduction.

For ambient temperatures above +50 °C it is mandatory to integrate the derating output factor for the maximum compressor electrical motor power/current.

For altitudes above 1000 m, apply derating as shown in Table 3.1.

For more details on derating due to environmental factors, contact Danfoss technical support.

Altitude [m] Derating factor

1000 1 1500 0.95 2000 0.90 2500 0.86 3000 0.82 3500 0.78

Table 3.1 Altitude Derating Factor

Illustration 3.1 Frame Sizes B1 and B2, IP21/IP55/Type 1/Type 12

Illustration 3.2 Frame Size B3, IP20/Chassis

Illustration 3.3 Frame Size B4, IP20/Chassis

Environmental Requirements for

3.1.2

Mechanical Installation

The unit is cooled by means of air circulation. To protect the unit from overheating, ensure that the ambient temperature does not exceed the maximum temperature stated for the 24-hour average temperature. If the ambient temperature is in the range of 45 °C to 55 °C, derating will become relevant. The service life of the unit is reduced if derating for ambient temperature is not taken

Illustration 3.4 Frame Sizes C1 and C2, IP55/66/Type 1/Type 12

into account.

3.2

Mechanical Installation

3.2.1 Accessory Bags

Find the following parts included in the CDS302 Accessory Bag

14 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Illustration 3.5 Frame Size C3, IP20/Chassis

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.2.2 Mechanical Mounting

1. Drill holes in accordance with the measurements given.

2. Provide screws suitable for the surface on which the CDS302 is to be mounted.

3. Retighten all four screws.

The frequency converter IP20 allows side-by-side installation. Because of the need for cooling, there must be a minimum of 100 mm free air passage above and below the frequency converter. The back wall must always be solid. All frequency converters are equipped with a back metal plate to guarantee proper heat exchanger ventilation. Never remove this metal sheet.

3.2.3 Mechanical Dimensions

IP 20 Chassis T2 (240 V) T4 (480 V) T6 (575 V)

VSH088 (15 kW) B4 B3 B3 VSH117 (18 kW) C3 B4 B4 VSH170 (22 kW) C3 B4 B4

IP 55 NEMA 12 VSH088 (15 kW) C1 B1 B1 VSH117 (18 kW) C1 B2 B2 VSH170 (22 kW) C1 B2 B2

Table 3.2 Related VSH Numbers

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 15

130BA219.10

130BA228.10

How to Install

Table 3.3

Operating Instructions VLT® CDS302 and CDS303

Frame size B1 Frame size B2 Frame size B3 Frame size B4 Frame size C1 Frame size C3

Height [mm] Backplate A 480 650 399 520 680 550 Distance between mounting holes a 454 624 380 495 648 521 Width [mm] Back plate B 242 242 165 230 308 308 Distance between mounting holes b 210 210 140 200 272 270 Depth [mm] Without option C 260 260 249 242 310 333 With option C 260 260 262 242 310 333 Screw holes c 12.0 12.0 8 12.0 d Ø 19.0 Ø 19.0 12 Ø 19.0 e Ø 9.0 Ø 9.0 8.8 8.5 Ø 9.0 8.5 f 9.0 9.0 7.9 15 9.8 17 Max. weight [kg] 23.0 27.0 12 23.5 45 50

Table 3.4 Mechanical Dimensions

16 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

130BT332.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3 Electrical Installation

3.3.1 Cables General

CAUTION

Cables general: Always comply with national and local regulations on cable cross-sections.

Frame size

B1 5.5-7.5 11-15 15

B2 11 18.5-22 18.5-22

B3 5.5-7.5 11-15 15

B4 11-15 18.5-30 18.5-22

Table 3.5 Tightening-up Torque

3.3.2

200-240 V [kW]

380-500 V [kW]

525-690 V [kW]

Removal of Knockouts for Extra Cables

Remove cable entry from the frequency converter

•

(Avoiding foreign parts in the frequency converter when removing knockouts)

Cable entry has to be supported around the

•

knockout that is to be removed The knockout can now be removed with a strong

•

mandrel and a hammer Remove burrs from the hole

•

Mount cable entry on frequency converter

•

Mains Connection for B1, B2 and B3

3.3.3

Cable for Tightening up torque

[Nm]

Mains, Motor cables 1.8 Relay 0.5-0.6 Earth 2-3 Mains 4.5 Motor cables 4.5 Relay 0.5-0.6 Earth 2-3 Mains, Motor cables 1.8 Relay 0.5-0.6 Earth 2-3 Mains, Motor cables 4.5 Relay 0.5-0.6 Earth 2-3

NOTE

Frequency converter sizes differ, but terminal numbers are always the same. Incoming power is always 91, 92, 93 labeled L1, L2, L3.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 17

Illustration 3.6 How to Connect to Mains and Earthing for B1 and B2

130BA725.10

130BA720.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

NOTE

For correct cable dimensions see 8 General Specifications.

Illustration 3.7 How to Connect to Mains and Earthing for B3 without RFI.

Illustration 3.8 How to Connect to Mains and Earthing for B3 with RFI.

18 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

L1 91

L2 92

L3 93

L1 91

L2 92

L3 93

U 96

V 97

W 98

DC-88

DC+89

R-81

R+82

130BA714.10

130BA389.10

91 L1

92 L2

93 L3

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.4 Mains connection for B4, C1 and C3

NOTE

Frequency converter sizes differ but terminal numbers are always the same. Incoming power is always 91, 92, 93 labeled L1, L2, L3.

Illustration 3.9 How to Connect to Mains and Earthing for B4.

Illustration 3.10 How to Connect to Mains and Earthing for C1 and C2.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 19

91 92 93

96 97 98

88 89

81 82

130BA718.10

130BC399.10

130BT337.10

130BT333.10

L 1

L 2

L 3

130BT336.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3. Connect to earth connection (terminal 99) on decoupling plate with screws from the accessory bag.

4. Insert terminals 96 (U), 97 (V), 98 (W) and motor compressor cable to terminals labelled MOTOR.

5. Fasten screened cable to decoupling plate with screws and washers from the accessory bag.

6. U, V, W for motor compressor need to be clockwise connected.

Illustration 3.11 How to Connect C3 to Mains and Earthing.

Motor Compressor Connection

3.3.5

NOTE

Always wire terminal 96 (U) to T1, 97 (V) to T2, and 98 (W) to T3.

Illustration 3.12 Motor/Compressor Wiring

Illustration 3.13

Illustration 3.14

Motor compressor cable must be screened/armoured. If an

Illustration 3.15

unscreened/unarmoured cable is used, some EMC requirements are out of compliance. For more information, see EMC specifications.

1. Fasten decoupling plate to the bottom of the frequency converter with screws and washers from the accessory bag.

2. Attach motor compressor cable to terminals 96

20 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

(U), 97 (V), 98 (W).

130BT248.10

130BT334.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.6 Motor Compressors Cables

Correct dimensioning of motor compressor cable crosssection and length is described in the application manual.

Use a screened/armoured motor compressor

•

cable to comply with EMC emission specifications

Keep the motor compressor cable as short as

•

possible to reduce the noise level and leakage currents

Connect the motor compressor cable screen to

•

both the decoupling plate of the frequency converters and to the metal cabinet of the motor compressor

Make the screen connections with the largest

•

possible surface area (cable clamp). This is done by using the supplied installation devices in the frequency converter.

Electrical Installation of Motor

3.3.7 Compressor Cables

lock-rotor compressor motor protection (see description in the application manual).

The frequency converter is protected against

•

short-circuits on compressor terminals T1, T2, T3. If a mains phase is missing, the frequency

•

converter trips or issues a warning (depending on the load).

If a compressor motor phase is missing, the

•

frequency converter trips. The frequency converter is protected against

•

earth faults on compressor motor terminals T1, T2, T3.

Access to Control Terminals

3.3.9

Screening of cables Avoid installation with twisted screen ends (pigtails). They reduce the screening effect at higher frequencies.

Cable length and cross-section The frequency converter has been tested with a given length of cable and a given cross-section of that cable. If the cross-section is increased, the cable capacitance - and thus the leakage current - may increase, and the cable length must be reduced correspondingly.

Aluminium conductors Aluminium conductors are not recommended. Terminals can accept aluminium conductors but the conductor surface has to be clean and the oxidation must be removed and sealed by neutral acid free Vaseline grease before the conductor is connected. Furthermore, the terminal screw must be retightened after two days due to the softness of the aluminium. It is crucial to keep the connection a gas tight joint, otherwise the aluminium surface will oxidize again.

3.3.8

Compressor Motor Protection

Illustration 3.16 B3, B4 and C3 Enclosures

The electrical compressor motor protection is fully provided by the frequency converter.

•

The frequency converter makes through an Electronic current measurement anti-overload and

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 21

Illustration 3.17 C1, B1 and B2 Enclosures

1. 10 pole plug digital I/O

2. 3 pole plug RS485 Bus

130BA012.11

130BT312.10

130BT311.10

130BA150.10

9 - 10 mm

(0.37 in)

130BT306.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3. 6 pole analog I/O

4. USB Connection

Control terminals are located beneath the LCP. The inside of the removable cover shows the terminals.

Illustration 3.18 Control Terminals

1. Insert a screwdriver in the square hole.

2. Pull out the cable

Illustration 3.20

To mount the cable to the terminal:

1. Strip isolation of 9-10 mm

2. Insert a screwdriver in the square hole.

Illustration 3.21

3. Insert the cable in the adjacent circular hole.

4. Remove the screwdriver. The cable is now mounted to the terminal

3.3.10 Basic Wiring Example

1. Mount terminals from the accessory bag to the front of the frequency converter.

Illustration 3.22

Illustration 3.19

To remove the cable from the terminal:

22 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

2. Connect terminals 18, 27 and 37 to +24 V (terminal 12/13)

Default settings: 18 = start 27 = coast inverse

12 13 18 37

130BA156.12

322719 29 33 20

P 5 - 12 [6]

P 5 - 10[9]

+24V

Speed

Start Stop inverse Safe Stop

Start (18)

Start (27)

How to Install

Operating Instructions VLT® CDS302 and CDS303

Illustration 3.23

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 23

3 Phase power

input

DC bus

Switch Mode

Power Supply

Motor

Analog Output

Interface

relay1

relay2

(PNP) = Source (NPN) = Sink

ON=Terminated OFF=Open

Brake resistor

130BA025.19

91 (L1) 92 (L2) 93 (L3)

88 (-) 89 (+)

50 (+10 V OUT)

53 (A IN)

54 (A IN)

55 (COM A IN)

0/4-20 mA

12 (+24V OUT)

13 (+24V OUT)

37 (D IN)

18 (D IN)

20 (COM D IN)

10Vdc 15mA 130/200mA

+ - + -

(U) 96

(V) 97 (W) 98 (PE) 99

(COM A OUT) 39

(A OUT) 42

(P RS-485) 68

(N RS-485) 69

(COM RS-485) 61

S801

0/4-20 mA

RS-485

+10Vdc

-10Vdc -

+10Vdc

+10Vdc 0/4-20 mA

-10Vdc -

240Vac, 2A

24Vdc

240Vac, 2A

24V (NPN) 0V (PNP)

0V (PNP)

24V (NPN)

19 (D IN)

24V (NPN) 0V (PNP)

24V

(D IN/OUT)

0V (PNP)

24V (NPN)

(D IN/OUT)

24V

24V (NPN) 0V (PNP)

0V (PNP)

24V (NPN)

33 (D IN)

32 (D IN)

1 2

S201

S202

ON/I=0-20mA OFF/U=0-10V

400Vac, 2A

P 5-00

S801

(R+) 82

(R-) 81

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.11 Electrical Installation, Control Cables

Terminal 37 is the input to be used for Safe Stop. Control cables more than 100 m (330 ft) and analog signals may in rare cases and depending on installation result in 50/60 Hz earth loops due to noise from mains supply cables. If this

occurs, break the screen or insert a 100 nF capacitor between screen and chassis. The digital and analog in- and outputs must be connected separately to the frequency converter common inputs (terminal 20, 55, 39) to avoid ground currents from both groups to affect other groups.

Illustration 3.24

24 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

130BT340.10

130BA051.11

PE PE

100nF

PE PE

PLC etc.

Equalizing cable

Min. 16mm

How to Install

Operating Instructions VLT® CDS302 and CDS303

Control cables must be screened/armoured. Use a clamp from the accessory bag to connect the screen to the frequency converter decoupling plate for control cables.

Illustration 3.25

e. Cables for serial communication Eliminate low-frequency noise currents between two frequency converters by connecting one end of the screen to terminal 61. This terminal is connected to earth via an internal RC link. Use twisted-pair cables to reduce the differential mode interference between the conductors.

Generally speaking, control cables must be braided screened/armoured and the screen must be connected by means of a cable clamp at both ends to the metal cabinet of the unit. The drawing indicates how correct earthing is carried out and what to do if in doubt.

a. Correct earthing Control cables and cables for serial communication must be fitted with cable clamps at both ends to ensure the best possible electrical contact.

b. Wrong earthing Do not use twisted cable ends (pigtails). They increase the screen impedance at high frequencies.

c. Protection with respect to earth potential between PLC(Program Logic Controller) and frequency converter If the earth potential between the frequency converter and the PLC (etc.) is different, electric noise may occur that will disturb the entire system. Solve this problem by fitting an equalising cable, next to the control cable. Minimum cable cross-section: 16 mm2.

d. For 50/60 Hz earth loops If very long control cables are used, 50/60 Hz earth loops may occur. Solve this problem by connecting one end of

Illustration 3.26

the screen to earth via a 100 nF capacitor (keeping leads short).

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 25

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.12 Electrical Installation - EMC Protection

The following is a guideline to good engineering practice when installing frequency converters. Follow these guidelines to comply with EN 61800-3 First environment. If the installation is in EN 61800-3 Second environment, i.e. industrial networks, or in an installation with its own transformer, deviation from these guidelines is allowed but not recommended.

Good engineering practice to ensure EMC-correct electrical installation

Use only braided screened/armoured motor

•

compressor cables and braided screened/ armoured control cables. The screen should provide a minimum coverage of 80%. The screen material must be metal, not limited to but typically copper, aluminium, steel or lead. There are no special requirements for the mains cable.

Installations using rigid metal conduits are not

•

required to use screened cable, but the motor compressor cable must be installed in conduit separate from the control and mains cables. Full connection of the conduit from the frequency converter to the motor compressor is required. The EMC performance of flexible conduits varies a lot and information from the manufacturer must be obtained.

Connect the screen/armour/conduit to earth at

•

both ends for motor compressor cables as well as

for control cables. In some cases, it is not possible to connect the screen in both ends. If so, connect the screen at the frequency converter. See also

3.3.11 Electrical Installation, Control Cables. Avoid terminating the screen/armour with twisted

•

ends (pigtails). It increases the high frequency impedance of the screen, which reduces its effectiveness at high frequencies. Use low impedance cable clamps or EMC cable glands instead.

Avoid using unscreened/unarmoured motor

•

compressor or control cables inside cabinets housing the frequency converter(s), whenever this can be avoided.

Leave the screen as close to the connectors as possible.

Illustration 3.27 shows an example of an EMC-correct electrical installation of an IP 20 frequency converter. The frequency converter is fitted in an installation cabinet with an output contactor and connected to a PLC, which is installed in a separate cabinet. Other ways of doing the installation may have just as good an EMC performance, provided the above guide lines to engineering practice are followed. If the installation is not carried out according to the guideline and if unscreened cables and control wires are used, some emission requirements are not complied with, although the immunity requirements are fulfilled. See the paragraph.

26 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

How to Install

Operating Instructions VLT® CDS302 and CDS303

Illustration 3.27 EMC Correct Installation of an IP20 Frequency Converter

3.3.13

The frequency converter has a high leakage current and must be earthed appropriately for safety reasons according to EN 50178. The earth leakage current from the frequency converter exceeds 3.5 mA. To ensure a good mechanical connection from the earth cable to the earth connection (terminal 95), the cable cross-section must be at least 10 mm2 or 2 rated earth wires terminated separately.

Safety Earth Connection

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 27

130BC398.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.14 Basic Examples of Control Connections

Controls using an external controller with 0-10 V signal. It is not necessary to change any parameters, as this is the default value.

Illustration 3.28

Controls using an external controller with 4-20 mA signal. Change switch 53 from U to I. It is not necessary to change any parameters, as this is the default value.

Illustration 3.29

28 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.3.15 High Voltage Test

Carry out a high voltage test by short-circuiting terminals U, V, W, L1, L2 and L3. Energize by max. 2.15 kV DC for one second between this short-circuit and the chassis.

NOTE

When running high voltage tests of the entire installation, frequency converter and compressor electrical motor compressor test can be conducted together.

WARNING

When conducting a high voltage test make sure the system is not under vacuum: this may cause electrical motor compressor failure.

WARNING

Never apply the high voltage test to the control circuit.

3.4 Fuses and Circuit Breakers

3.4.1 Fuses

3.4.2

Recommendations

WARNING

In case of malfunction, ignoring recommended fuse types may result in personnel risk and damage to the frequency converter and other equipment.

The following tables list the recommended rated current. Recommended fuses are of the type gG for small to medium power sizes. For larger powers, aR fuses are recommended. For circuit breakers, Moeller types have been tested to have a recommendation. Other types of circuit breakers may be used provide they limit the energy into the to a level equal to or lower than the Moeller types.

For further information, see Application Note Fuses and

Circuit Breakers, MN90T

NOTE

Use fuses and/or circuit breakers on the supply side of the unit for protection of electrical components within the frequency converter in order to ensure compliance with IEC 60364 for CE or NEC 2009 for UL.

WARNING

Personnel and property must be protected against the consequence of component break-down internally in the frequency converter.

Branch Circuit Protection To protect the installation against electrical and fire hazard, all branch circuits in an installation, switch gear, machines etc., must be protected against short-circuit and overcurrent according to national/international regulations.

NOTE

The recommendations given do not provide UL branch circuit protection.

Danfoss recommends using the fuses/circuit breakers listed below to protect service personnel and property in case of component break-down in the frequency converter.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 29

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.4.3 CE Compliance

The fuses below are suitable for use on a circuit capable of delivering 100,000 Arms (symmetrical), 240V, 480V, 500V,

Fuses or circuit breakers are mandatory to comply with IEC

60364. Danfoss recommends using a selection of the

following.

Enclosure Power Recommended

fuse size

Size [kW] Moeller [A]

B1 5.5-7.5 gG-25 (5.5)

gG-32 (7.5) B2 11 gG-50 gG-100 NZMB1-A100 100 B3 5.5 gG-25 gG-63 PKZM4-50 50 B4 7.5-15 gG-32 (7.5)

gG-50 (11) gG-63 (15)

C1 15-22 gG-63 (15)

gG-80 (18.5)

gG-100 (22)

C2 30-37 aR-160 (30)

aR-200 (37) C3 18.5-22 gG-80 (18.5)

aR-125 (22) C4 30-37 aR-160 (30)

aR-200 (37)

or 600V depending on the unit's voltage rating. With the proper fusing, the frequency converter short circuit current rating (SCCR) is 100,000 Arms.

Recommended

Max. fuse

gG-80 PKZM4-63 63

gG-125 NZMB1-A100 100

gG-160 (15-18.5)

aR-160 (22)

aR-200 (30) aR-250 (37)

gG-150 (18.5)

aR-160 (22) aR-200 (30) aR-250 (37)

Recommended circuit

breaker

NZMB2-A200 160

NZMB2-A250 250

NZMB2-A200 150

NZMB2-A250 250

Max trip level

Table 3.6 200-240 V, Frame Sizes B and C

Enclosure Power Recommended

fuse size

Size [kW] Moeller [A]

B1 11-15 gG-40 gG-80 PKZM4-63 63 B2 18.5-22 gG-50 (18.5)

gG-63 (22) B3 11-15 gG-40 gG-63 PKZM4-50 50 B4 18.5-30 gG-50 (18.5)

gG-63 (22)

gG-80 (30)

C1 30-45 gG-80 (30)

gG-100 (37) gG-160 (45)

C2 55-75 aR-200 (55)

aR-250 (75)

C3 37-45 gG-100 (37)

gG-160 (45)

C4 55-75 aR-200 (55)

aR-250 (75)

Table 3.7 380-500 V, Frame Sizes B and C

Recommended

Max. fuse

gG-100 NZMB1-A100 100

gG-125 NZMB1-A100 100

gG-160 NZMB2-A200 160

aR-250 NZMB2-A250 250

gG-150 (37) gG-160 (45)

aR-250 NZMB2-A250 250

Recommended circuit

breaker

NZMB2-A200 150

Max trip level

30 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

How to Install

Operating Instructions VLT® CDS302 and CDS303

Enclosure Power Recommended

fuse size

Size [kW] Moeller [A]

B1 11-18 gG-25 (11)

gG-32 (15)

gG-40 (18.5)

B2 22-30 gG-50 (22)

gG-63 (30)

B3 11-15 gG-25 (11)

gG-32 (15)

B4 18.5-30 gG-40 (18.5)

gG-50 (22) gG-63 (30)

C1 37-55 gG-63 (37)

gG-100 (45)

aR-160 (55) C2 75 aR-200 (75) aR-250 NZMB2-A250 250 C3 37-45 gG-63 (37)

gG-100 (45)

C4 55-75 aR-160 (55)

aR-200 (75)

Table 3.8 525-600 V, Frame Sizes B and C

Recommended

Max. fuse

gG-80 PKZM4-63 63

gG-100 NZMB1-A100 100

gG-63 PKZM4-50 50

gG-125 NZMB1-A100 100

gG-160 (37-45)

aR-250 (55)

gG-150 NZMB2-A200 150

aR-250 NZMB2-A250 250

Recommended circuit

breaker

NZMB2-A200 160

Max trip level

UL Compliance Fuses or circuit breakers are mandatory to comply with NEC 2009. Danfoss recommends using a selection of the

or 600 V depending on the unit's voltage rating. With the proper fusing the drive Short Circuit Current Rating (SCCR) is 100,000 Arms.

following. The fuses below are suitable for use on a circuit capable of

delivering 100,000 Arms (symmetrical), 240 V, 480 V, 500 V,

Recommended max. fuse

Power Bussmann Bussmann Bussmann Bussmann Bussmann Bussmann

11 KTN-R-80 JKS-80 JJN-80 - - -

15-18.5 KTN-R-125 JKS-125 JJN-125 - - -

22 KTN-R-150 JKS-150 JJN-150 - - 30 KTN-R-200 JKS-200 JJN-200 - - 37 KTN-R-250 JKS-250 JJN-250 - - -

Table 3.9 200-240 V, Frame Sizes B and C

Recommended max. fuse

Power

[kW] Type RK1 Type RK1 Type CC Type RK1

11 5014006-080 KLN-R-80 - A2K-80-R

15-18.5 2028220-125 KLN-R-125 - A2K-125-R

22 2028220-150 KLN-R-150 - A2K-150-R 30 2028220-200 KLN-R-200 - A2K-200-R 37 2028220-250 KLN-R-250 - A2K-250-R

SIBA Littel fuse

Ferraz-

Shawmut

Ferraz-

Shawmut

Table 3.10 200-240 V, Frame Sizes B and C

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 31

How to Install

Power

[kW]

11 FWX-80 - - HSJ-80

15-18.5 FWX-125 - - HSJ-125

22 FWX-150 L25S-150 A25X-150 HSJ-150 30 FWX-200 L25S-200 A25X-200 HSJ-200 37 FWX-250 L25S-250 A25X-250 HSJ-250

Table 3.11 200-240 V, Frame Sizes B and C

FWH-fuses from Bussmann may substitute FWX

Bussmann Littel fuse

Type JFHR2

Operating Instructions VLT® CDS302 and CDS303

Recommended max. fuse

Ferraz-

Shawmut

JFHR2

Ferraz-

Shawmut

for 240 V frequency converters.

A50X fuses from FERRAZ SHAWMUT may

substitute A25X for 240 V frequency converters.

Recommended max. fuse Power Bussmann Bussmann Bussmann Bussmann Bussmann Bussmann [kW] Type RK1 Type J Type T Type CC Type CC Type CC 11 KTS-R-40 JKS-40 JJS-40 - - 15 KTS-R-50 JKS-50 JJS-50 - - 18 KTS-R-60 JKS-60 JJS-60 - - 22 KTS-R-80 JKS-80 JJS-80 - - 30 KTS-R-100 JKS-100 JJS-100 - - 37 KTS-R-125 JKS-125 JJS-125 - - 45 KTS-R-150 JKS-150 JJS-150 - - 55 KTS-R-200 JKS-200 JJS-200 - - 75 KTS-R-250 JKS-250 JJS-250 - - -

Table 3.12 380-500 V, Frame Sizes B and C

Recommended max. fuse

Power SIBA Littel fuse

[kW] Type RK1 Type RK1 Type CC Type RK1 11 5014006-040 KLS-R-40 - A6K-40-R 15 5014006-050 KLS-R-50 - A6K-50-R 18 5014006-063 KLS-R-60 - A6K-60-R 22 2028220-100 KLS-R-80 - A6K-80-R 30 2028220-125 KLS-R-100 - A6K-100-R 37 2028220-125 KLS-R-125 - A6K-125-R 45 2028220-160 KLS-R-150 - A6K-150-R 55 2028220-200 KLS-R-200 - A6K-200-R 75 2028220-250 KLS-R-250 - A6K-250-R

Table 3.13 380-500 V, Frame Sizes B and C

Ferraz-

Shawmut

Ferraz-

Shawmut

32 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

How to Install

Power Bussmann Ferraz- Shawmut Ferraz- Shawmut Littel fuse [kW] JFHR2 J 11 FWH-40 HSJ-40 - 15 FWH-50 HSJ-50 - 18 FWH-60 HSJ-60 - 22 FWH-80 HSJ-80 - 30 FWH-100 HSJ-100 - 37 FWH-125 HSJ-125 - 45 FWH-150 HSJ-150 - 55 FWH-200 HSJ-200 A50-P-225 L50-S-225 75 FWH-250 HSJ-250 A50-P-250 L50-S-250

Table 3.14 380-500 V, Frame Sizes B and C

Ferraz-Shawmut A50QS fuses may substitute for

Operating Instructions VLT® CDS302 and CDS303

Recommended max. fuse

JFHR2

A50P fuses.

Recommended max. fuse Power Bussmann Bussmann Bussmann Bussmann Bussmann Bussmann [kW] Type RK1 Type J Type T Type CC Type CC Type CC 11 KTS-R-35 JKS-35 JJS-35 - - 15 KTS-R-45 JKS-45 JJS-45 - - 18 KTS-R-50 JKS-50 JJS-50 - - 22 KTS-R-60 JKS-60 JJS-60 - - 30 KTS-R-80 JKS-80 JJS-80 - - 37 KTS-R-100 JKS-100 JJS-100 - - 45 KTS-R-125 JKS-125 JJS-125 - - 55 KTS-R-150 JKS-150 JJS-150 - - 75 KTS-R-175 JKS-175 JJS-175 - - -

Table 3.15 525-600 V, Frame Sizes B and C

Recommended max. fuse

Power SIBA Littel fuse

[kW] Type RK1 Type RK1 Type RK1 J 11 5014006-040 KLS-R-035 A6K-35-R HSJ-35 15 5014006-050 KLS-R-045 A6K-45-R HSJ-45 18 5014006-050 KLS-R-050 A6K-50-R HSJ-50 22 5014006-063 KLS-R-060 A6K-60-R HSJ-60 30 5014006-080 KLS-R-075 A6K-80-R HSJ-80 37 5014006-100 KLS-R-100 A6K-100-R HSJ-100 45 2028220-125 KLS-R-125 A6K-125-R HSJ-125 55 2028220-150 KLS-R-150 A6K-150-R HSJ-150 75 2028220-200 KLS-R-175 A6K-175-R HSJ-175

Table 3.16 525-600 V, Frame Sizes B and C

170M fuses shown from Bussmann use the -/80

visual indicator. –TN/80 Type T, -/110 or TN/110

Ferraz-

Shawmut

Type T indicator fuses of the same size and amperage may be substituted.

Ferraz-

Shawmut

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 33

130BC400.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

3.5 Application Example - Pack Controller

3.5.1 BASIC Cascade/Pack Controller

Illustration 3.30

The BASIC Cascade/Pack Controller is used for up to three compressors to control up to two on/off compressors together with one variable speed compressor. The capacity control is typically based on suction pressure feedback, but it could also be e.g. a cold room temperature.

Fixed Lead Compressor The BASIC Pack Controller allows the frequency converter to control up to 3 compressors using the frequency converter's two built-in relays. The variable compressor (lead) is connected directly to the frequency converter, the other 2 compressors are controlled by the two built-in relays.

NOTE

Only one fixed speed compressor can be controlled with the built-in relays. To control two fixed compressors, an extra relay is needed via the MCB 105 Relay Option.

Bandwidth Management In pack control systems, to avoid frequent switching of fixed speed compressors, the desired system load is kept within a bandwidth rather than at a constant level. The Staging Bandwidth provides the required bandwidth for operation. When a large and quick change in system load occurs, the Override Bandwidth overrides the Staging Bandwidth to prevent immediate response to a short duration load change. An Override Bandwidth Timer can

34 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

L1/L2/L3 L1/L2/L3 L1/L2/L3

Power Section

RELAY 1

RELAY 2

130BA376.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

be programmed to prevent staging until the system load has stabilized and normal control established.

When the Pack Controller is enabled and running normally, and the frequency converter issues a trip alarm, the system head pressure is maintained by staging and destaging fixed speed compressors. To prevent frequent staging and destaging and minimize load fluctuations, a wider Fixed Speed Bandwidth is used instead of the Staging bandwidth.

3.5.2 System Status and Operation

When the pack controller is enabled, the operation status for each compressor and the pack controller is displayed on the Local Control Panel. Information displayed includes:

Compressor Status, is a read out of the status for

•

the relays assigned to each compressor. The display shows compressors that are disabled, off, running on the frequency converter or running on the mains

Pack Status, is a read out of the status for the

•

Pack Controller. The display shows the Pack Controller is disabled, all compressors are off, and emergency has stopped all compressors, all compressors are running, fixed speed compressors are being staged/destaged.

If a no load need occurs then destaging ensures

•

that all fixed speed compressors are stopped individually followed by the variable speed compressor.

Pack Compressor Wiring Diagram

3.5.3

The wiring diagram shows an example with the built in BASIC cascade controller with one variable speed compressor (lead) and two fixed speed compressors, a 4-20 mA transmitter and System Safety Interlock.

Illustration 3.31

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 35

(Oil Soleniod

Valve)

SAFE STOP

130BX505.10

How to Install

Operating Instructions VLT® CDS302 and CDS303

Illustration 3.32

36 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Quick Set-up

4 Quick Set-up

Operating Instructions VLT® CDS302 and CDS303

The following describes the basic procedure for running the frequency converter.

CAUTION

When the connections are made, the compressor starts automatically.

1. Connect the power supply to the terminals (L1, L2 and L3) of the frequency converter as shown in 3.3.4 Mains connection for B4, C1 and C3.

2. Connect motor cable between the frequency converter (U, V & W) and Compressor (Clockwise on terminal), see 3.3.5 Motor Compressor Connection. (The connectors utilised in these first 2 steps are provided in the accessory bag which accompanies the frequency converter).

3. Press [Quick Menu] and go to quick setup. Ensure that the correct compressor model is selected in 1-13 Compressor Selection.

4. Make connections between the terminals 12 and 18 (start signal), connections between terminal 12 and 27 (inverse coast signal) and terminals 12 and 37* (safe stop inverse signal).

*See 3.3.10 Basic Wiring Example and 2.2.1 Terminal 37 Safe Stop Function.

This is what the screen will look like after configuring the frequency converter for Speed Open loop application, Hand On mode.

4 4

Illustration 4.1

This is what the screen will look like after configuring the frequency converter for Speed Open loop application, Auto On mode:

CAUTION

If detecting an error that causes the frequency converter to trip, it automatically tries to restart the compressor after 30 s (unless the error is severe and causes a trip lock). See also 14-20 Reset Mode and 14-21 Automatic Restart Time.

Open Loop with external reference:

1. Apply analogue speed reference signal (0-10 V) on terminal 53 using the terminal 55 as common. See 3.3.14 Basic Examples of Control Connections.

2. Check if switch A53 is positioned to U (voltage) instead of I (current). The switch A53 is located on the frequency converter and is visible when the LCP is removed.

3. Ready to Run: If the frequency converter is supplied with display: Press [Hand On] to set a local speed reference in the display (good for testing purposes). Press [Auto On] for running in operation and with an external reference.

Illustration 4.2

4. Done.

PID closed loop with 4-20 mA pressure transmitter:

1. Connect pressure transmitter to analogue input

on terminal 54 according to 3.3.14 Basic Examples of Control Connections.

2. Make sure that the switch for analogue input 54 is set to “I” for current input.

3. Press [Quick Menu], go to “PID Closed Loop” and then to “Basic PID Settings) menu. Now change parameters to

1-00 Configuration Mode: Select [3] Process 3-01 Reference/Feedback Unit: Select [71] Bar

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 37

Quick Set-up

3-02 Minimum Reference and 3-03 Maximum Reference: Enter the lower and upper limits of the

set-point range [bar]. 3-15 Reference Resource 1: Select [0] No function for fixed set-point.

6-22 Terminal 54 Low Current + 6-23 Terminal 54 High Current: The values of these parameters

should match the output of the pressure transmitter (4-20 mA for example is the factory

This is what the screen will look like, after configuring the frequency converter for Closed loop application.

setting).

6-24 Terminal 54 Low Ref./Feedb. Value + 6-25 Terminal 54 High Ref./Feedb. Value: Set range

of pressure transmitter (factory setting -1/+12 bar) Return to 3-13 Reference Site: Select [2] Local to run with a fixed set-point adjustable via LCP. Select [1] Remote if the set-point is given by the analogue input (as defined in ).

Press [Quick Menu], go to My Personal Menu, go to 0-22 Display Line 1.3 Small and select [1652] Feedback [unit]. The pressure [bar] is going to be shown in the upper right corner of the display

Operating Instructions VLT® CDS302 and CDS303

Illustration 4.3

5. Ready to Run: Press [Hand On] and set reference in bars using the arrows on the display. Before leaving the site never forget the next step.

6. Ready to Run: Press [Auto On].

For more details on PID Closed Loop, see Illustration 4.4.

Illustration 4.4

38 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Quick Set-up

Other Compressor Features: To set up other dedicated compressor features press [Quick Menu] and go to Q4 or follow Illustration 4.5.

Operating Instructions VLT® CDS302 and CDS303

4 4

Illustration 4.5 Flowchart

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 39

Auto

Reset

Hand

O

Status

Quick

Main

Alarm

Log

Back

Cancel

Info

Status

1(0)

1234rpm 10,4A 43,5Hz

Run OK

43,5Hz

Alarm

Warn.

130BA018.13

How to Program

Operating Instructions VLT® CDS302 and CDS303

5 How to Program

5.1 How to Program on the Graphical LCP

5.1.1 Control Panel

The following instructions are valid for the graphical LCP (LCP 102): The control panel is divided into four functional groups: 1.

1. Graphical display with Status lines. All data is displayed in a graphical LCP display, which can show up to five items of operating data while displaying [Status].

2. Menu keys and indicator lights - changing parameters and switching between display functions.

3. Navigation keys and indicator lights (LEDs).

4. Operation keys and indicator lights (LEDs).

Illustration 5.1

Display Lines

5.1.2

a. Status line: Status messages displaying icons and graphic. b. Line 1-2: Operator data lines displaying data defined or chosen by the user. By pressing the [Status] key, up to one extra line can be added. c. Status line: Status messages displaying text.

5.1.3

Display Contrast Adjustment

Press [Status] and [ ▼ ] for darker display Press [Status] and [ ▲ ] for brighter display

40 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Warn.

Alarm

130BP044.10

130BP045.10

Status

Quick Menu

Main Menu

Alarm

Log

130BP046.10

How to Program

Operating Instructions VLT® CDS302 and CDS303

5.1.4 Indicator Lights

If certain threshold values are exceeded, the alarm and/or warning LED lights up. A status and alarm text appear on the control panel. The on LED is activated when the frequency converter receives mains voltage.

Green LED/On: Control section is working.

•

Yellow LED/Warn.: Indicates a warning.

•

Flashing Red LED/Alarm: Indicates an alarm

•

Illustration 5.2

Q3 – PID Process Loop Q4 - Compressor Functions Q5 - Changes Made Q6 - Loggings Q7 - Load Profile

Use [Quick Menu] for programming the parameters belonging to the Quick Menu. It is possible to switch directly between Quick Menu mode and Main Menu mode.

5.2.2 Navigation Keys

The four navigation keys are used to navigate between the different choices available in [Quick Menu], [Main Menu] and [Alarm Log]. Use the keys to move the cursor. [OK] is used for choosing a parameter marked by the cursor and for enabling the change of a parameter and loggings from Quick Menu.

Local Control Keys

5.2.3

Local Control Keys for local control are found at the bottom of the control panel.

5 5

5.2 LCP Keys

5.2.1 Function Keys

The control keys are divided into functions. The keys below the display and indicator lamps are used for parameter Set-up, including choice of display indication during normal operation.

Illustration 5.3

[Status] indicates the status of the frequency converter and/or the compressor motor. Choose between 3 different readouts by pressing the [Status] key: 5 line readouts, 4 line readouts or Smart Logic Control by pushing [Status] twice. Press [Status] to select the display mode or to change back to Display mode from either Quick Menu mode, Main Menu mode or Alarm mode. Also press [Status] to toggle single or double read-out mode.

[Quick Menu] allows quick access to different Quick Menus such as:

Q1 - My Personal Menu Q2 - Quick Set-up

Illustration 5.4

[Hand On] enables control of the frequency converter via the LCP. [Hand on] also starts the motor compressor, and it is now possible to enter the motor compressor speed data by means of the arrow keys. The key can be selected as [1] Enable or [0] Disable via 0-40 [Hand on] Key on LCP. External stop signals activated by means of control signals or a serial bus will override a “start“ command via the LCP. The following control signals will still be active when [Hand on] is activated:

[Hand On] - [Off] - [Auto On]

•

Reset

•

Coasting stop inverse

•

Reversing

•

Set-up select lsb (least significant bit) - Set-up

•

select msb (most significant bit) Stop command from serial communication

•

Quick stop

•

DC brake

•

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 41

How to Program

Operating Instructions VLT® CDS302 and CDS303

[Off] stops the connected motor compressor. The key can be selected as [1] Enable or [0] Disable via 0-41 [Off] Key on LCP. If no external stop function is selected and the [Off] key is inactive the motor compressor can be stopped by disconnecting the voltage.

[Auto On] enables the frequency converter is to be controlled via the control terminals and/or serial communication. When a start signal is applied on the control terminals and/or the bus, the frequency converter will start. The key can be selected as [1] Enable or [0] Disable

via 0-42 [Auto on] Key on LCP.

NOTE

An active HAND-OFF-AUTO signal via the digital inputs has higher priority than the control keys [Hand on] and [Auto on].

[Reset] is used for resetting the frequency converter after an alarm (trip). It can be selected as [1] Enable or [0] Disable via 0-43 [Reset] Key on LCP.

The parameter shortcut can be carried out by holding down the [Main Menu] key for 3 seconds. The parameter shortcut allows direct access to any parameter.

Quick Transfer of Parameter Settings

5.2.4

Once the set-up of a frequency converter is complete, store the data in the LCP or on a PC via MCT 10 Set-up Software Tool.

Data Storage in LCP

5.2.5

Go to 0-50 LCP Copy using Main Menu.

2. Press [OK].

Select [1] All to LCP.

4. Press [OK].

All parameter settings are now stored in the LCP indicated by the progress bar. When 100% is reached, press [OK].

Recommended initialisation (via

Select 14-22 Operation Mode.

2. Press [OK].

Select [2] Initialisation.

4. Press [OK] .

5. Disconnect mains supply and wait until the display turns off.

6. Reconnect the mains supply.

7. Drive initialised [A80] (Alarm 80) appears - the frequency converter is now reset.

14-22 Operation Mode initialises all except:

8-30 Protocol

•

8-31 Address

•

8-32 FC Port Baud Rate

•

8-33 Parity / Stop Bits

•

8-34 Estimated cycle time

•

8-35 Minimum Response Delay

•

8-36 Max Response Delay

•

8-37 Max Inter-Char Delay

•

14-50 RFI Filter

•

15-00 Operating Hours

•

15-01 Running Hours

•

15-02 kWh Counter

•

15-03 Power Up's

•

15-04 Over Temp's

•

15-05 Over Volt's

•

15-20 Historic Log: Event

•

15-21 Historic Log: Value

•

15-22 Historic Log: Time

•

15-30 Fault Log: Error Code

•

15-31 Fault Log: Value

•

15-32 Fault Log: Time

•

Manual initialisation

14-22 Operation Mode)

NOTE

Stop the motor compressor before performing this operation. The LCP can now be connected to another frequency converter and the parameter settings copied to this frequency converter as well.

5.2.6 Initialisation to Default Settings

Initialise the frequency converter to default settings in two ways:

42 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

1. Disconnect from mains and wait until the display turns off.

2. Press [Status] - [Main Menu] - [OK] at the same time while power up for LCP 102, Graphical Display.

3. Release the keys after 5 s.

4. The frequency converter is now programmed according to default settings.

How to Program

Operating Instructions VLT® CDS302 and CDS303

This procedure initialises all except:

15-00 Operating Hours

•

15-03 Power Up's

•

15-04 Over Temp's

•

15-05 Over Volt's

•

5.2.7 Data Transfer from LCP to Frequency Converter

NOTE

Stop the motor compressor before performing this operation.

Go to 0-50 LCP Copy.

2. Press [OK].

Select [2] All from LCP.

4. Press [OK] again.

The parameter settings stored in the LCP are now transferred to the frequency converter indicated by the progress bar. When 100% is reached, press [OK].

Parameter Selection

5.2.8

display shows the parameter number and name as well as the selected parameter value.

Illustration 5.5

Changing Data

5.2.9

The procedure for changing data is the same in both the Quick menu and the Main menu mode.

Press [OK] to change the selected parameter. The procedure for changing data depends on whether the selected parameter represents a numerical data value or a text value.

5 5

In the Main menu mode, the parameters are divided into groups. Use the navigation keys for selecting a parameter group. The following parameter groups are accessible:

0-** Operation/Display

•

1-** Load/Motor

•

2-** Brakes

•

3-** Reference/Ramps

•

4-** Limits/Warnings

•

5-** Digital In/Out

•

6-** Analog In/Out

•

7-** Controls

•

8-** Comm. and Options

•

13-** Smart Logic

•

14-** Special Functions

•

15-** Drive Information

•

16-** Data Readouts

•

25-** Cascade Controller

•

28-** Compressor Functions

•

After selecting a parameter group, choose a parameter with the navigation keys. The middle section on the

5.2.10

If the selected parameter is a text value, change the text value by pressing the [▲]/[▼] navigation keys. [▲] increases the value and [▼] decreases the value. Place the cursor on

the value and press [OK] to save.

5.2.11

Changing a Text Value

Changing a Group of Numeric Data Values

If the chosen parameter represents a numeric data value, change it by pressing the navigation keys. Press [◀]/[▶] to move the cursor horizontally. Press [▲]/[▼] to change the data value. [▲] enlarges the data value, and [▼] reduces

the data value. Place the cursor on the value and press [OK] to save.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 43

How to Program

Illustration 5.6

Operating Instructions VLT® CDS302 and CDS303

44 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6 Parameter Descriptions

6.1 LCP Display

6.1.1 LCP Programming

Table 6.1 lists the parameters that cannot be changed from the LCP. These parameters are defined by the compressor choice made in 1-13 Compressor Selection.

Parameter Parameter Parameter

1-01 Motor Control Principle 1-03 Torque Characteristics 1-40 Back EMF at 1000 RPM 5-42 Off Delay, Relay 1-04 Overload Mode 1-47 Low Speed Torque Calibration 7-00 Speed PID Feedback Source 1-05 Local Mode Configuration 1-49 Current at min. inductance 7-02 Speed PID Proportional Gain 1-10 Motor Construction 1-62 Slip Compensation 1-20 Motor Power [kW] 1-66 Min. Current at Low Speed 7-04 Speed PID Differentiation Time 1-22 Motor Voltage 1-68 Minimum Inertia 7-05 Speed PID Diff. Gain Limit 1-23 Motor Frequency 1-69 Maximum Inertia 13-10 Comparator Operand 1-24 Motor Current 1-71 Start Delay 13-11 Comparator Operator 1-25 Motor Nominal Speed 1-72 Start Function 13-12 Comparator Value 1-26 Motor Cont. Rated Torque 1-73 Flying Start 14-00 Switching Pattern 1-29 Automatic Motor Adaptation (AMA) 1-74 Start Speed [RPM] 14-01 Switching Frequency 1-30 Stator Resistance (Rs) 1-76 Start Current 14-10 Mains Failure 1-31 Rotor Resistance (Rr) 1-77 Compressor Start Min Speed [RPM] 14-11 Mains Voltage at Mains Fault 1-33 Stator Leakage Reactance (X1) 1-79 Compressor Start Max Time to Trip 14-21 Automatic Restart Time 1-34 Rotor Leakage Reactance (X2) 1-86 Compressor Min. Speed for Trip [RPM] 14-25 Trip Delay at Torque Limit 1-35 Main Reactance (Xh) 3-82 Starting Ramp Up Time 14-26 Trip Delay at Inverter Fault 1-36 Iron Loss Resistance (Rfe) 4-10 Motor Speed Direction 28-30 Crankcase Heating Control 1-37 d-axis Inductance (Ld) 4-11 Motor Speed Low Limit [RPM] 28-31 Heating DC Current 1-38 q-axis Inductance (Lq) 4-13 Motor Speed High Limit [RPM] 28-40 Reverse Protection Control 1-39 Motor Poles 4-16 Torque Limit Motor Mode 28-41 DC Brake Current 1-40 Back EMF at 1000 RPM 4-18 Current Limit 28-42 DC Braking Time 1-44 d-axis Inductance (Ld) 200% I

NOM

1-45 q-axis Inductance (Lq) 200% I

4-19 Max Output Frequency 28-43 DC Brake Cut In Speed [RPM]

NOM

5-41 On Delay, Relay

Table 6.1 Compressor Related Parameters

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 45

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.2 Parameters: 0-** Operation and Display

6.2.1 0-0* Basic Settings

0-01 Language

Option: Function:

Defines the language to be used in display. [0] * English [1] German [2] French [3] Danish [4] Spanish [5] Italian

0-02 Motor Speed Unit

Option: Function:

Select display of motor speed parameters (i.e. references, feedbacks and limits) in terms of shaft

speed (RPM) or output frequency to the motor (Hz). [0] * RPM [1] Hz

NOTE

This parameter cannot be adjusted while the motor is running.

0-04 Operating State at Power-up (Hand)

Option: Function:

Selects the operating mode upon reconnection of the frequency converter to mains voltage after power down in Hand (local) operation mode.

[0] Resume Restarts the frequency converter, maintaining

the same and the same start/stop settings (applied by [Hand On/Off]) as before the frequency converter was powered down.

[1] * Forced stop,

ref=old

[2] Forced stop,

ref=0

Restarts the frequency converter with a saved local reference, after mains voltage reappears and after pressing [Hand On].

Resets the local reference to 0 upon restarting the frequency converter.

0-10 Active Set-up

Option: Function:

[2] Set-up 2 [3] Set-up 3 [4] Set-up 4 [9] Multi Set-up Remote selection of set-ups using digital

inputs and the serial communication port. This set-up uses the settings from 0-12 This Set-up Linked to. Stop the frequency converter before making changes to openand closed loop functions

Use 0-51 Set-up Copy to copy a set-up to one or all other set-ups. Stop the frequency converter before switching between set-ups where parameters marked ‘not changeable during operation’ have different values. To avoid conflicting settings of the same parameter within two different set-ups, link the set-ups together using 0-12 This Set-up Linked to. Parameters which are ‘not changeable during operation’ are marked FALSE in the parameter lists in 6.16 Parameter Lists.

0-11 Edit Set-up

Option: Function:

Select the set-up to be edited (i.e. programmed) during operation; either the active set-up or one of the inactive set-ups.

[0] Factory setup Cannot be edited but it is useful as a data

source to return the other set-ups to a known state.

[1] * Set-up 1

[2] Set-up 2 [3] Set-up 3 [4] Set-up 4 [9] Active Set-up Can also be edited during operation. Edit

[1] Set-up 1 to [4] Set-up 4 can be edited freely during operation, independently of the active set-up.

the chosen set-up from a range of sources: LCP, FC RS-485, FC USB or up to five fieldbus sites.

0-10 Active Set-up

Option: Function:

Select the set-up to control the frequency converter functions.

[0] Factory setup Cannot be changed. It contains the Danfoss

data set, and can be used as a data source when returning the other set-ups to a known state.

[1] * Set-up 1

46 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

[1] Set-up 1 to [4] Set-up 4 are the four separate parameter set-ups within which all parameters can be programmed.

130BA199.10

P 0-11

Set-up

PLC Fieldbus

130BP075.10

0-12 This Set-up Linked to

0 RPM

0.00A

1(1)

Set-up Handling 0-1*

[1]

Setup 1

130BP076.10

0-12 This Set-up Linked to

0 RPM

0.00A

1(1)

Set-up Handling

0-1*

[2]

Setup 2

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

0-12 This Set-up Linked to

Option: Function:

Set-up 2 are synchronised (or ‘linked’). Synchronisation can be performed in two ways:

1. Change the edit set-up to Set-up 2 [2] in

0-11 Edit Set-up and set 0-12 This Set-up Linked to to Set-up 1 [1]. This will start the linking

(synchronising) process.

Illustration 6.1

0-12 This Set-up Linked to

Option: Function:

To enable conflict-free changes from one set-up to another during operation, link set-ups containing parameters which are not changeable during operation. The link will ensure synchronising of the ‘not changeable during operation’ parameter values when moving from one set-up to another during operation. ‘Not changeable during operation’ parameters can be identified by the label FALSE in the parameter lists in the section Parameter

Lists.

0-12 This Set-up Linked to is used by Multi set-

up in 0-10 Active Set-up. Multi set-up is used to move from one set-up to another during operation (i.e. while the motor is running). Example: Use Multi set-up to shift from Set-up 1 to Setup 2 whilst the motor is running. Programme in Set-up 1 first, then ensure that Set-up 1 and

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 47

* Not linked

[0] [1] Set-up 1 [2] Set-up 2 [3] Set-up 3 [4] Set-up 4

Illustration 6.2

2. While still in Set-up 1, copy Set-up 1 to Setup 2. Then set 0-12 This Set-up Linked to to Set- up 2 [2]. This will start the linking process.

Illustration 6.3

After the link is complete, 0-13 Readout: Linked Set-ups will read {1,2} to indicate that all ‘not changeable during operation’ parameters are now the same in Set-up 1 and Set-up 2. If there are changes to a ‘not changeable during operation’ parameter, e.g. 1-30 Stator Resistance (Rs), in Set-up 2, they will also be changed automatically in Set-up 1. A switch between Set-up 1 and Set-up 2 during operation is now possible.

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

0-13 Readout: Linked Set-ups

Array [5]

Range: Function:

0 * [0 - 255 ] View a list of all the set-ups linked by means of

0-12 This Set-up Linked to. The parameter has one index for each parameter set-up. The parameter value displayed for each index represents which set-ups are linked to that parameter set-up.

Index LCP value 0 {0} 1 {1,2} 2 {1,2} 3 {3} 4 {4}

Table 6.3 Example: Set-up 1 and Set-up 2 are linked

0-14 Readout: Edit Set-ups / Channel

Range: Function:

0 * [-2147483648 -

2147483647 ]

0-2* LCP Display

6.2.2

View the setting of 0-11 Edit Set-up for each of the four different communication channels. When the number is displayed in hex, as it is in the LCP, each number represents one channel. Numbers 1-4 represent a set-up number; ‘F’ means factory setting; and ‘A’ means active set-up. The channels are, from right to left: LCP, FC-bus, USB, HPFB1-5. Example: The number AAAAAA21h means that the FC bus selected Set-up 2 in 0-11 Edit Set-up, the LCP selected Set-up 1 and all others used the active set-up.

Define the display in the Graphical Logic Control Panel.

0-20 Display Line 1.1 Small

Option: Function:

Select a variable for display

in line 1, left position. [0] None [1501] Running Hours [1502] kWh Counter [1508] Number of Starts [1509] Number of Resets [1600] Control Word [1601] Reference [Unit] [1602] Reference % [1603] Status Word [1605] Main Actual Value [%] [1609] Custom Readout [1610] Power [kW]

0-20 Display Line 1.1 Small

Option: Function:

[1611] Power [hp] [1612] Motor Voltage [1613] Frequency [1614] Motor Current [1615] Frequency [%] [1616] Torque [1617] * Speed [RPM] [1618 ] Motor Thermal [1619 ] KTY sensor temperature [1620 ] Motor Angle [1622 ] Torque % [1630] DC Link Voltage [1632 ] Brake Energy /s [1633 ] Brake Energy /2 min [1634] Heatsink Temp. [1635] Inverter Thermal [1636] Inv. Nom. Current [1637] Inv. Max. Current [1638] SL Control State [1639] Control Card Temp [1650] External Reference [1651 ] Pulse Reference [1652] Feedback [Unit] [1653 ] Digi Pot Reference [1654] Feedback 1 [Unit] [1655 ] Feedback 2 [Unit] [1660] Digital Input [1661] Terminal 53 Switch Setting [1662] Analog Input 53 [1663] Terminal 54 Switch Setting [1664] Analog Input 54 [1665] Analog Output 42 [mA] [1666 ] Digital Output [bin] [1667] Freq. Input #29 [Hz] [1668] Freq. Input #33 [Hz] [1669] Pulse Output #27 [Hz] [1670] Pulse Output #29 [Hz] [1671] Relay Output [bin] [1672] Counter A [1673] Counter B [1680 ] Fieldbus CTW 1 [1682 ] Fieldbus REF 1 [1684] Comm. Option STW [1685 ] FC Port CTW 1 [1686 ] FC Port REF 1 [1690 ] Alarm Word [1691 ] Alarm Word 2 [1692 ] Warning Word [1693 ] Warning Word 2 [1694] Ext. Status Word [2580] Cascade Status [2581 ] Compressor Status

48 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

0-20 Display Line 1.1 Small

Option: Function:

[2587 ] Inverse Interlock [2827] Discharge Temperature

0-21 Display Line 1.2 Small

Option: Function:

Options are the same as in

0-20 Display Line 1.1 Small

[1614] * Motor Current [A]

0-22 Display Line 1.3 Small

Option: Function:

Options are the same as in 0-20 Display Line 1.1 Small.

[1610] * Power [kW]

0-23 Display Line 2 Large

Option: Function:

Options are the same as in 0-20 Display Line 1.1 Small.

[1613] * Frequency [Hz]

0-24 Display Line 3 Large

Option: Function:

Options are the same as in 0-20 Display Line 1.1 Small.

[1662] * Analog Input 53

0-25 My Personal Menu

Option: Function:

Define up to 20 parameters to include in the Q1 Personal Menu, accessible via the [Quick Menu] key on the LCP. The parameters will be displayed in the Q1 Personal Menu in the order they are programmed into this array parameter. Delete parameters by setting the value to « 0000 ».

0-30 Unit for User-defined Readout

Option: Function:

It is possible to program a value to be shown in the display of the LCP. The value will have a linear, squared or cubed relation to speed. This relation will depend on the unit selected (see table above). The actual calculated value can be read in 16-09 Custom Readout, and/or shown in the display be selecting Custom Readout [16-09] in 0-20 Display Line 1.1 Small to 0-24 Display Line 3 Large.

[0] * None [1] % [5] PPM [10] 1/min [11] rpm [12] Pulse/s [20] l/s

0-30 Unit for User-defined Readout

Option: Function:

[21] l/min [22] l/h [23] m³/s [24] m³/min [25] m³/h [30] kg/s [31] kg/min [32] kg/h [33] t/min [34] t/h [40] m/s [41] m/min [45] m [60] °C [70] mbar [71] bar [72] Pa [73] kPa [74] m WG [80] kW [120] GPM [121] gal/s [122] gal/min [123] gal/h [124] CFM [125] ft³/s [126] ft³/min [127] ft³/h [130] lb/s [131] lb/min [132] lb/h [140] ft/s [141] ft/min [145] ft [160] °F [170] psi [171] lb/in² [172] in WG [173] ft WG [180] HP

0-31 Min Value of User-defined Readout

Range: Function:

0.00 CustomReadoutUnit*

[ -999999.99 par. 0-32 CustomReadoutUnit]

This parameter sets the min. value of the custom defined readout (occurs at zero speed). Only possible to set different from 0 is when selecting a linear unit in 0-30 Unit for User-defined Readout. For Quadratic and

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 49

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

0-31 Min Value of User-defined Readout

Range: Function:

Cubic units the minimum

value will be 0.

0-32 Custom Readout Max Value

Range: Function:

100.00 CustomReadoutUnit*

[ par. 0-31 -

999999.99 CustomReadoutUnit]

This parameter sets the max value to be shown when the speed of the motor has reached the set value for

4-13 Motor Speed High Limit [RPM] or 4-14 Motor Speed High Limit [Hz] (depends on setting in 0-02 Motor Speed Unit).

6.2.3 0-4* LCP Keypad

Enable and disable individual keys on the LCP keypad.

0-40 [Hand on] Key on LCP

Option: Function:

If 0-40 [Hand on] Key on LCP is included in the Quick Menu, then define the password in 0-65 Quick Menu Password.

[0] Disabled Prevents accidental start of the frequency

converter in Hand mode.

[1] * Enabled Prevents unauthorised start in Hand mode.

0-41 [Off] Key on LCP

Option: Function:

Options are the same as in 0-40 [Hand on] Key on LCP.

0-42 [Auto on] Key on LCP

Option: Function:

Options are the same as in 0-40 [Hand on] Key on LCP.

0-43 [Reset] Key on LCP

Option: Function:

Options are the same as in 0-40 [Hand on] Key on LCP.

6.2.4 0-5* Copy/Save

Copy parameter settings between set-ups and to/from the LCP.

0-50 LCP Copy

Option: Function:

[0] * No copy [1] All to LCP Copies all parameters in all set-ups from

the frequency converter memory to the LCP memory.

0-50 LCP Copy

Option: Function:

[2] All from LCP Copies all parameters in all set-ups from

the LCP memory to the frequency converter memory.

[3] Size indep. from

LCP

Copies only the parameters that are independent of the motor size.

0-51 Set-up Copy

Option: Function:

[0] No copy [1] Copy to set-up 1 Copies all parameters in the present edit

set-up (defined in par. 0-11 Edit Set-up) to Set-up 1. Likewise, select the option

corresponding to the other set-up(s). [2] Copy to set-up 2 [3] Copy to set-up 3 [4] Copy to set-up 4 [9] Copy to all Copies the parameters in the present set-

up over to each of the set-ups 1 to 4.

6.2.5 0-6* Password

Define password access to menus.

0-60 Main Menu Password

Option: Function:

Define the password for access to the Main Menu via the [Main Menu] key. If 0-61 Access to Main Menu w/o Password is set to [0] Full access, this parameter will be ignored.

0-61 Access to Main Menu w/o Password

Option: Function:

[0] * Full access

[1] Read only Prevents unauthorised editing of Main Menu

[2] No access Prevents unauthorised viewing and editing of

Disables the password defined in 0-60 Main Menu Password.

parameters.

Main Menu parameters.

NOTE

If [0] Full access is selected, 0-60 Main Menu Password,

0-65 Quick Menu Password and 0-66 Access to Quick Menu w/o Password are ignored.

0-65 Quick Menu Password

Option: Function:

Define the password for access to the Quick Menu via the [Quick Menu] key. If 0-66 Access to Quick Menu w/o Password is set to [0] Full access, this parameter will be ignored.

50 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

0-66 Access to Quick Menu w/o Password

Option: Function:

[ 0] * Full access

[1] Read only Prevents unauthorised editing of Quick Menu

[2] No access Prevents unauthorised viewing and editing of

Disables the password defined in 0-65 Quick Menu Password.

parameters.

Quick Menu parameters.

Operating Instructions VLT® CDS302 and CDS303

NOTE

If 0-61 Access to Main Menu w/o Password is set to [0] Full access, this parameter will be ignored.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 51

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.3 Parameters: 1-** Load and Motor

6.3.1 1-0* General Settings

Define whether the frequency converter operates in speed mode or torque mode; and whether the internal PID control should be active or not. All parameters from

1-01 Motor Control Principle (included) to 1-81 Min Speed for Function at Stop [RPM] (included) are read only. Only 1-13 Compressor Selection remains accessible for

compressor selection.

1-00 Configuration Mode

Option: Function:

Select the application control principle to be used when a Remote Reference (via analog input) is active. A Remote Reference can only be active when 3-13 Reference Site is set to [0] or [1].

[0] * Speed

open loop

[3] Process Enables the use of process control in the

Enables speed control (without feedback signal from motor) to the input signal over the compressor speed range.

frequency converter. The process control parameters are set in parameter groups 7-2*

Process PID Feedback and 7-3* Process PID Control.

NOTE

This parameter cannot be adjusted while the motor is running.

1-13 Compressor Selection

Range: Function:

The default setting of most of the parameters in the frequency converter (e.g. motor data, limits, ramps etc.) depends upon the compressor and system refrigerant selected for the frequency converter. The frequency converter selects the default compressor based upon the power size and voltage range for the frequency converter. Under normal circumstances this should not be changed. During test/repair situations a different compressor can be selected – or if the system is not using the default refrigerant.

NOTE

If the compressor selection is changed, then all dependent parameters reset to default and any user settings will be lost.

Size dependent.

[] Select the compressor/refrigerant combination

for the system.

52 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.4 Parameters: 3 -** Reference/Ramps

6.4.1 3-0* Reference Limits

Parameters for reference handling, definition of limitations, and configuration of the reaction of the frequency converter to changes.

3-00 Reference Range

Option: Function:

Select the range of the reference signal and the feedback signal. Signal values can be positive only, or positive and negative. The minimum limit may have a negative value, unless [1] Speed closed loop control is selected in 1-00 Configuration Mode.

[0] * Min. - Max For positive values only [1] -Max -

+Max

3-01 Reference/Feedback Unit

Option: Function:

[0] None [71] * bar [60] °C [160] °F [170] psi

3-02 Minimum Reference

Option: Function:

Enter the minimum reference. The minimum reference is the lowest value obtainable by summing all references. Minimum reference is active only when 3-00 Reference Range is set to [0] Min.- Max..

The minimum reference unit matches:

3-03 Maximum Reference

Option: Function:

3-10 Preset Reference

Array [8]

0.00%

* [-100.00

- 100.00 %]

For both positive and negative values

Select the unit to be used in Process PID Control references and feedbacks.

The choice of configuration in 1-00 Configu-

•

ration Mode: for [1] Speed closed loop.

The unit selected in 3-01 Reference/Feedback

•

Unit.

Enter the maximum reference.

Must remain 0 for Open Loop Control. The preset reference is stated as a percentage of the value Ref or as a percentage of the other external references. If a Ref Reference) is programmed, the preset

(3-03 Maximum Reference)

MAX

0 (3-02 Minimum

MIN

reference is calculated as a percentage of the full reference range, i.e. on the basis of the difference between Ref Afterwards, the value is added to Ref When using preset references, select [16]

Preset ref. bit 0, [17] Preset ref. bit 1 or [18] Preset ref. bit 2 for the corresponding digital

inputs in parameter group 5-1* Digital Inputs.

MAX

and Ref

MIN

3-12 Catch up/slow Down Value

Range: Function:

0.00%* [0.00 -

100.00 %]

Enter a percentage (relative) value to be either added to or deducted from the actual reference for Catch up or Slow down respectively. If Catch up is selected via one of the digital inputs (5-10 Terminal 18 Digital Input to 5-15 Terminal 33 Digital Input), the percentage (relative) value is added to the total reference. If Slow down is selected via one of the digital inputs (5-10 Terminal 18 Digital Input to 5-15 Terminal 33 Digital Input), the percentage (relative) value is deducted from the total reference. Obtain extended functionality with the DigiPot function. See parameter group 3-9* Digital Potentiometer.

3-13 Reference Site

Option: Function:

Select which reference site to activate.

[0] Linked to

Hand / Auto

[1] Remote Use the remote reference in both Hand

[2] Local Use the local reference in both Hand mode

Use the local reference when in Hand mode; or the remote reference when in Auto mode

mode and Auto mode

and Auto mode

3-14 Preset Relative Reference

Range: Function:

0.00%* [-100.00 -

100.00 %]

Define a fixed value (in %) to be added to the variable value (defined in 3-18 Relative Scaling Reference Source). The sum of the fixed and variable values is multiplied with the actual reference. This product is then added to the actual reference (X+X*Y/100) to give the resultant actual reference.

3-15 Reference Resource 1

Option: Function:

Select the reference input to be used for the first reference signal.

3-15 Reference Resource 1, 3-16 Reference Resource 2 and 3-17 Reference Resource 3 define up to

three different reference signals. The sum of these reference signals defines the actual reference.

[0] No function

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 53

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

3-15 Reference Resource 1

Option: Function:

[1] * Analog input 53 [2] Analog input 54 [7] Frequency input 29 [8] Frequency input 33 [11] Local bus reference [20] Digital pot.meter

NOTE

This parameter cannot be adjusted while the motor is running.

3-16 Reference Resource 2

Option: Function:

Select the reference input to be used for the second reference signal. Parameters

3-15 Reference Resource 1, 3-16 Reference Resource 2 and 3-17 Reference Resource 3

define up to three different reference signals. The sum of these reference signals defines the actual reference. Same options as 3-15 Reference Resource 1.

[0] * No function

NOTE

This parameter cannot be adjusted while the motor is running.

3-17 Reference Resource 3

Option: Function:

Select the reference input to be used for the third reference signal. 3-15 Reference Resource

1, 3-16 Reference Resource 2 and 3-17 Reference Resource 3 define up to three different

reference signals. The sum of these reference signals defines the actual reference. Same options as 3-15 Reference Resource 1.

[0] * No function

NOTE

This parameter cannot be adjusted while the motor is running.

3-18 Relative Scaling Reference Resource

Option: Function:

Select a variable value to be added to the fixed value (defined in 3-14 Preset Relative Reference). The sum of the fixed and variable values is multiplied with the actual reference. This product is then added to the actual reference (X+X*Y/100) to give the resultant actual reference Same options as 3-15 Reference Resource 1.

[0] * No function

3-19 Jog Speed [RPM]

Range: Function:

Size related*

[ 0 - par. 4-13 RPM]

Enter a value for the jog speed n which is a fixed output speed. The frequency converter runs at this speed when the jog function is activated. The maximum limit is defined in 4-13 Motor Speed High Limit [RPM]. See also 3-80 Jog Ramp Time.

JOG

3-40 Ramp 1 Type

Option: Function:

Select the ramp type, depending on requirements for acceleration/deceleration. A linear ramp will give constant acceleration during ramping.

[0] * Linear

3-41 Ramp Up Time Running (sec)

Range: Function:

5 s min.* [Comp dependent] Enter the ramp-up time, i.e. the

acceleration time to reach the system required motor speed.

3-42 Ramp Down Time Running (sec)

Range: Function:

5 s min.* [Comp dependent] Enter the ramp-down time, i.e.

the deceleration time to reach compressor minimum motor speed.

3-50 Ramp 2 Type

Option: Function:

Select the ramp type, depending on requirements for acceleration/deceleration. A linear ramp will give constant acceleration during ramping. An S-ramp will give nonlinear acceleration, compensating for jerk in the application.

[0] * Linear [1] S-ramp

Const Jerk

[2] S-ramp

Const Time

Acceleration with lowest possible jerk

S-ramp based on the values set in 3-51 Ramp

2 Ramp up Time and 3-52 Ramp 2 Ramp down Time

NOTE

If [1] S-ramp Const Jerk is selected and the reference during ramping is changed the ramp time may be prolonged in order to realize a jerk free movement which may result in a longer start or stop time. Additional adjustment of the S-ramp ratios or switching initiators may be necessary.

54 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

3-51 Ramp 2 Ramp up Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

Enter the ramp-up time, i.e. the acceleration time from 0 RPM to the rated motor speed ns. Choose a ramp-up time such that the output current does not exceed the current limit in 4-18 Current Limit during ramping. The value 0.00 corresponds to 0.01 s in speed mode. See ramp-down time in 3-52 Ramp 2 Ramp down Time.

s x

Par

. 3 − 51 =

acc

ref RPM

RPM

3-52 Ramp 2 Ramp down Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

Enter the ramp-down time, i.e. the deceleration time from the rated motor speed ns to 0 RPM. Choose a ramp-down time such that no over-voltage arises in the inverter due to regenerative operation of the motor, and such that the generated current does not exceed the current limit set in 4-18 Current Limit. The value 0.00 corresponds to 0.01 s in speed mode. See ramp-up time in 3-51 Ramp 2 Ramp up Time.

s x

Par

. 3 − 52 =

dec

ref RPM

RPM

3-60 Ramp 3 Type

Option: Function:

Select the ramp type, depending on requirements for acceleration and deceleration. A linear ramp will give constant acceleration during ramping. An S-ramp will give non-linear acceleration, compensating for jerk in the application.

[0] * Linear [1] S-ramp

Const Jerk

[2] S-ramp

Const Time

Accelerates with lowest possible jerk.

S-ramp based on the values set in 3-61 Ramp

3 Ramp up Time and 3-62 Ramp 3 Ramp down Time

NOTE

3-61 Ramp 3 Ramp up Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

Enter the ramp-up time, i.e. the acceleration time from 0 RPM to the rated motor speed ns. Choose a rampup time such that the output current does not exceed the current limit in 4-18 Current Limit during ramping. The value 0.00 corresponds to 0.01 s in speed mode. See ramp-down time in 3-62 Ramp 3 Ramp down Time.

3-62 Ramp 3 Ramp down Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

s x

Par

. 3 − 62 =

dec

ref RPM

RPM

3-70 Ramp 4 Type

Option: Function:

[0] * Linear [1] S-ramp

Const Jerk

[2] S-ramp

Const Time

Accelerates with lowest possible jerk.

S-ramp based on the values set in 3-71 Ramp

4 Ramp up Time and 3-72 Ramp 4 Ramp Down Time.

NOTE

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 55

130BA070.10

Time

P 3-80

RPM

P 4-13 RPM

high limit

P 1-25

Motor speed

Jog speed

P 3-19

P 3-80

Ramp up (acc)

Ramp down (dec)

t jog t jog

P 4-11 RPM

low limit

130BA069.10

Time

RPM

P 4-13 RPM high limit

Reference

P 1-25 Motor speed

low limit

P 4-11 RPM

P 3-81

Qramp

Qstop

Parameter Descriptions

3-71 Ramp 4 Ramp up Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

Par

. 3 − 71 =

3-72 Ramp 4 Ramp Down Time

Range: Function:

Size related*

[ 0.01 -

3600.00 s]

Par

. 3 − 72 =

3-80 Jog Ramp Time

Range: Function:

Size related*

[0.01 -

3600.00 s]

Enter the jog ramp time, i.e. the acceleration/deceleration time between 0 RPM and the rated motor frequency ns. Ensure that the resultant output current required for the given jog ramp time does not exceed the current limit in 4-18 Current Limit. The jog ramp time starts upon activation of a jog signal via the LCP, a selected digital input, or the serial communication port. When jog state is disabled then the normal ramping times are valid.

dec

acc

s x

ref RPM

s x

ref RPM

Operating Instructions VLT® CDS302 and CDS303

RPM

Illustration 6.4

Par

. 3 − 80 =

jog speed

3-81 Quick Stop Ramp Time

Range: Function:

Size related*

RPM

[0.01 -

3600.00 s]

s x

(

par

RPM

. 3 − 19)

RPM

jog

Enter the quick–stop ramp-down time, i.e. the deceleration time from the synchronous motor speed to 0 RPM. Ensure that no resultant over-voltage will arise in the inverter due to regenerative operation of the motor required to achieve the given ramp-down time. Ensure also that the generated current required to achieve the given ramp-down time does not exceed the current limit (set in 4-18 Current Limit). Quick-stop is activated by means of a signal on a selected digital input, or via the serial communication port.

56 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Illustration 6.5

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.5 Parameters: 4-** Limits/Warnings

6.5.1 4-1* Motor Limits

Define torque, current and speed limits for the motor, and the reaction of the frequency converter when the limits are exceeded. A limit may generate a message on the display. A warning will always generate a message on the display or on the fieldbus. A monitoring function may initiate a warning or a trip, upon which the frequency converter will stop and generate an alarm message.

4-20 Torque Limit Factor Source

Option: Function:

Select an analog input for scaling the settings in 4-16 Torque Limit Motor

Mode and 4-17 Torque Limit Generator Mode from 0% to 100% (or inverse).

The signal levels corresponding to 0% and 100% are defined in the analog input scaling, e.g. parameter group 6-1*. This parameter is only active when 1-00 Configuration Mode is in Speed Open Loop or Speed Closed Loop.

[0] * No function [2] Analog in 53 [4] Analog in 53 inv [6] Analog in 54 [8] Analog in 54 inv [10] Analog in X30-11 [12] Analog in X30-11

inv [14] Analog in X30-12 [16] Analog in X30-12

inv

4-21 Speed Limit Factor SourceOption

Option: Function:

Select an analog input for scaling the settings in 4-19 Max Output Frequency from 0% to 100% (or vice versa). The signal levels corresponding to 0% and 100% are defined in the analog input scaling, e.g. parameter group 6-1*. This parameter is only active when

1-00 Configuration Mode is in Torque Mode.

[0] * No function [2] Analog input 53 [4] Analog input 53 inv [6] Analog input 54 [8] Analog input 54 inv [10] Analog input X30-11

4-21 Speed Limit Factor SourceOption

Option: Function:

[12] Analog input X30-11

inv [14] Analog input X30-12 [16] Analog input X30-12

inv

6.5.2 4-5* Adjustable Warnings

Use these parameters to adjust warning limits for current, speed, reference and feedback. Warnings that are shown on the display can be programmed as an output or sent via serial bus.

4-50 Warning Current Low

Range: Function:

0 A* [ 0 - par.

4-51 A]

4-51 Warning Current High

Range: Function:

Size related*

4-52 Warning Speed Low

Range: Function:

Size related*

4-53 Warning Speed High

Range: Function:

Size related* [ par. 4-52 - par. 4-13 RPM]

4-54 Warning Reference Low

Range: Function:

-999999.999 * [ -999999.999 -

Enter the I falls below this limit, the display reads Current Low. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02. Refer to .

[ par. 4-50

- par. 16-37 A]

[ 0 - par. 4-53 RPM]

par. 4-55 ]

value. When the motor current

LOW

Enter the I current exceeds this limit, the display reads Current High. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02. Refer to .

Enter the n speed exceeds this limit, the display reads Speed Low. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02.

value. When the motor

HIGH

value. When the motor

LOW

Enter the lower reference limit. When the actual reference falls below this limit, the display indicates Ref outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02.

. The signal

LOW

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 57

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

4-55 Warning Reference High

Range: Function:

999999.999 * [ par. 4-54 -

999999.999 ]

Enter the upper reference limit. When the actual reference exceeds this limit, the display reads Ref High. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or 02.

4-56 Warning Feedback Low

Range: Function:

-999999.999 ReferenceFeedbackUnit*

[ -999999.999 par. 4-57 ReferenceFeedbackUnit]

Enter the lower feedback limit. When the feedback falls below this limit, the display reads Feedb Low. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or

02.

6.5.3 4-6* Speed Bypass

Some systems call for avoiding certain output frequencies or speeds, due to resonance problems in the system. A maximum of four frequency or speed ranges can be avoided.

4-60 Bypass Speed From [RPM]

Array [4]

Range: Function:

Size related* [ 0 - par. 4-13

RPM]

4-61 Bypass Speed From [Hz]

Array [4]

Range: Function:

Size related* [ 0.0 - par.

4-14 Hz]

Some systems call for avoiding certain output speeds due to resonance problems in the system. Enter the lower limits of the speeds to be avoided.

4-57 Warning Feedback High

Range: Function:

999999.999 ReferenceFeedbackUnit*

[ par. 4-56 -

999999.999 ReferenceFeedbackUnit]

Enter the upper feedback limit. When the feedback exceeds this limit, the display reads Feedb High. The signal outputs can be programmed to produce a status signal on terminal 27 or 29 and on relay output 01 or

02.

4-58 Missing Motor Phase Function

Displays alarm 30, 31 or 32 in the event of a missing motor phase. It is strongly recommended to enable to avoid motor damage.

Option: Function:

[0] Off No alarm is displayed if a

missing motor phase occurs.

[1] On

4-62 Bypass Speed To [RPM]

Array [4]

Range: Function:

Size related* [ 0 - par. 4-13

RPM]

Some systems call for avoiding certain output speeds due to resonance problems in the system. Enter the upper limits of the speeds to be avoided.

4-63 Bypass Speed To [Hz]

Array [4]

Range: Function:

Size related* [ 0.0 - par.

4-14 Hz]

Some systems call for avoiding certain output speeds due to resonance problems in the system. Enter the upper limits of the speeds to be avoided.

NOTE

This parameter cannot be adjusted while the motor is running.

58 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.6 Parameters: 5-** Digital In/Out

6.6.1 5-** Digital In/Out

Parameter group for configuring the digital input and output.

5-01 Terminal 27 Mode

Option: Function:

[1] Output Defines terminal 27 as a digital output.

NOTE

This parameter cannot be adjusted while the motor is running.

6.6.2 5-0* Digital In/Out Mode

5-02 Terminal 29 Mode

5-00 Digital In/Out Mode

Option: Function:

Digital inputs and programmed digital outputs are pre-programmable for operation either in PNP or NPN

systems. [0] * PNP Action on positive directional pulses. [1] NPN

5-01 Terminal 27 Mode

Option: Function:

[0] * Input Defines terminal 27 as a digital input.

Digital input function Select Terminal

No operation [0] All *term 19, 29, 33 Reset [1] All *term 32 Coast inverse [2] All Coast and reset inverse [3] All Quick stop inverse [4] All DC-brake inverse [5] All Stop inverse [6] All *term 27 Start [8] All *term 18 Latched start [9] All Reversing [10] All Start reversing [11] All Enable start forward [12] All Enable start reverse [13] All Jog [14] All Preset reference on [15] All Preset ref bit 0 [16] All Preset ref bit 1 [17] All Preset ref bit 2 [18] All Freeze reference [19] All Freeze output [20] All Speed up [21] All Speed down [22] All Set-up select bit 0 [23] All Set-up select bit 1 [24] All Catch up [28] All Slow down [29] All Pulse input [32] 29, 33 Ramp bit 0 [34] All Ramp bit 1 [35] All Mains failure inverse [36] All Day/night control [39] All DigiPot Increase [55] All

Option: Function:

Similar to Terminal 27

6.6.3 5-1* Digital Inputs

Parameters for configuring the input functions for the input terminals. The digital inputs are used for selecting various functions in the frequency converter. All digital inputs can be set to the following functions:

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

Digital input function Select Terminal

DigiPot Decrease [56] All DigiPot Clear [57] All Counter A (up) [60] 29, 33 Counter A (down) [61] 29, 33 Reset Counter A [62] All Counter B (up) [63] 29, 33 Counter B (down) [64] 29, 33 Reset Counter B [65] All Lead pump start [120] All Lead pump alternation [121] All Comp. 1 Interlock [130] All Comp. 2 Interlock [131] All Comp. 3 Interlock [132] All Comp. 1 Inv. interlock [139] All Comp. 2 Inv. interlock [140] All Comp. 3 Inv. interlock [141] All

Table 6.4

Functions dedicated to only one digital input are stated in the associated parameter.

60 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

All digital inputs can be programmed to these functions:

[0] No

operation

[1] Reset Resets frequency converter after a TRIP/

[2] Coast

inverse

[3] Coast and

reset inverse

[4] Quick stop

inverse

[5] DC-brake

inverse

[6] Stop inverse Stop Inverted function. Generates a stop

No reaction to signals transmitted to the terminal.

ALARM. Not all alarms can be reset. (Default Digital input 27): Coasting stop, inverted input (NC). The frequency converter leaves the motor in free mode. Logic ‘0’ ⇒ coasting stop. Reset and coasting stop Inverted input (NC). Leaves motor in free mode and resets drive. Logic ‘0’ ⇒ coasting stop and reset. Inverted input (NC). Generates a stop in accordance with quick-stop ramp time set in 3-81 Quick Stop Ramp Time. When motor stops, the shaft is in free mode. Logic ‘0’ ⇒ Quick-stop. Inverted input for DC braking (NC). Stops motor by energizing it with a DC current for a certain time period. See 2-01 DC Brake Current to 2-03 DC Brake Cut In Speed [RPM]. The function is only active when the value in 2-02 DC Braking Time is different from 0. Logic ’0’ ⇒ DC braking.

function when the selected terminal goes from logical level ‘1’ to ‘0’. The stop is performed according to the selected ramp time (3-42 Ramp 1 Ramp Down Time,

3-52 Ramp 2 Ramp Down Time, 3-62 Ramp 3 Ramp down Time, 3-72 Ramp 4 Ramp Down Time).

NOTE

When the frequency converter is at the torque limit and has received a stop command, it may not stop by itself. To ensure that the frequency converter stops, configure a digital output to [27] Torque limit & stop and connect this digital output to a digital input that is configured as coast.

[8] Start (Default Digital input 18): Select start for a

start/stop command. Logic ‘1’ = start, logic ‘0’ = stop.

[9] Latched

start

[10] Reversing (Default Digital input 19). Change the

The motor starts, if a pulse is applied for min. 2 ms. The motor stops when Stop inverse is activated.

direction of motor shaft rotation. Select Logic ‘1’ to reverse. The reversing signal only changes the direction of rotation. It does not activate the start function. Select both directions in 4-10 Motor Speed Direction. The function is not active in process closed loop.

[11] Start

reversing

[12] Enable start

forward

[13] Enable start

reverse

[14] Jog (Default Digital input 29): Use to activate jog

[15] Preset

reference on

[16] Preset ref bit0Preset ref. bit 0,1, and 2 enables a choice

[17] Preset ref bit1Same as Preset ref bit 0 [16].

[18] Preset ref bit2Same as Preset ref bit 0 [16].

Preset ref. bit 2 1 0 Preset ref. 0 0 0 0 Preset ref. 1 0 0 1 Preset ref. 2 0 1 0 Preset ref. 3 0 1 1 Preset ref. 4 1 0 0 Preset ref. 5 1 0 1 Preset ref. 6 1 1 0 Preset ref. 7 1 1 1

Table 6.5

Freeze

[19]

ref

[20] Freeze

output

Used for start/stop and for reversing on the same wire. Signals on start are not allowed at the same time. Rotates motor shaft clockwise at start.

Rotates motor shaft counterclockwise at start.

speed. See 3-11 Jog Speed [Hz]. Shifts between external reference and preset reference. It is assumed that [1] External/preset has been selected in 3-04 Reference Function. Logic '0' = external reference active; logic '1' = one of the eight preset references is active.

between one of the eight preset references according to Table 6.5.

Freezes the actual reference, which is now the point of enable/condition for Speed up and Speed down to be used. If Speed up/down is used, the speed change always follows ramp 2 (3-51 Ramp 2 Ramp Up Time and 3-52 Ramp 2 Ramp Down Time) in the range 0 - 3-03 Maximum Reference. Freezes the actual motor frequency (Hz), which is now the point of enable/condition for Speed up and Speed down to be used. If Speed up/down is used, the speed change always follows ramp 2 (3-51 Ramp 2 Ramp Up Time and 3-52 Ramp 2

Ramp Down Time) in the range 0 to 1-23 Motor Frequency.

NOTE

When Freeze output is active, the frequency converter cannot be stopped via a low [8] start signal. Stop the frequency converter via a terminal programmed for [2] Coasting inverse or [3] Coast and reset, inverse.

[21] SpeedupSelect Speed up and Speed down if digital control

of the up/down speed is desired (motor potentiometer). Activate this function by selecting either Freeze reference or Freeze output. When Speed

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 61

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

up/ down is activated for less than 400 ms the resulting reference will be increased/ decreased by

0.1 %. If Speed up/ down is activated for more than 400 ms the resulting reference will follow the setting in ramping up/ down parameter 3-x1/ 3-x2.

Shut down Catch up Unchanged speed 0 0 Reduced by %-value 1 0 Increased by %-value 0 1 Reduced by %-value 1 1

Table 6.6

[22] Speed down Same as Speed up [21]. [23] Set-up select

bit 0

[24] Set-up select

bit 1

[28] Catch up Increases or reduces reference value set in

[29] Slow down [30] Counter input

[32] Pulse input Use pulse sequence as either reference or

[34] Ramp bit 0 Enables a choice between one of the 4

[35] Ramp bit 1

Preset ramp bit 1 0 Ramp 1 0 0 Ramp 2 0 1 Ramp 3 1 0 Ramp 4 1 1

Table 6.7

Mains failure

[36]

inverse

[39] Day/Night

Control

[41] Latched Precise

Stop inverse

[55] DigiPot Increase INCREASE signal to the Digital Potenti-

Select Set-up select bit 0 or Select Set-up select bit 1 to select one of the four set-ups. Set 0-10 Active Set-up to Multi Set-up. (Default Digital input 32): Same as [23] Set-

up select bit 0.

3-12 Catch up/slow Down Value. [28] Same as Catch up. Precise stop function in 1-83 Precise Stop Function acts as Counter stop or speed

compensated counter stop with or without reset. The counter value must be set in 1-84 Precise Stop Counter Value.

feedback. Scaling is done in parameter group 5-5* Pulse Input.

ramps available, according to Table 6.7. Same as [34] Ramp bit 0.

Activates 14-10 Mains Failure. Mains failure inverse is active in the Logic .0. situation. Reduce the max. frequency with the setting in 28-74 Night Speed Drop [RPM]. Sends a latched stop signal when the precise stop function is activated in 1-83 Precise Stop Function. The Latched Precise stop inverse function is available for terminals 18 or 19.

ometer function described in parameter group 3-9* Digital Potmeter.

[56] DigiPot Decrease DECREASE signal to the Digital Potenti-

ometer function described in parameter group 3-9* Digital Potmeter

[57] DigiPot Clear Clears the Digital Potentiometer

reference described in parameter group

3-9* Digital Potmeter

[60] Counter A (Terminal 29 or 33 only) Input for

increment counting in the SLC counter.

[61] Counter A (Terminal 29 or 33 only) Input for

decrement counting in the SLC counter. [62] Reset Counter A Input for reset of counter A. [63] Counter B (Terminal 29 or 33 only) Input for

increment counting in the SLC counter. [64] Counter B (Terminal 29 or 33 only) Input for

decrement counting in the SLC counter. [65] Reset Counter B Input for reset of counter B. [70] Mech. Brake

Feedback

[71] Mech. Brake

Feedback inv.

[80] PTC Card 1

[121] Lead Pump

Alternation

[130] Compressor

Interlock

[131] Compressor

Interlock

[132] Compressor

Interlock

Brake feedback for hoisting applications

Inverted brake feedback for hoisting

applications

All Digital Inputs can be set to [80] PTC

Card 1. However, only one Digital Input

must be set to this choice.

Use with cascade controller. Logic 1 will

stop the fixed speed compressor and

give a warning

Use with cascade controller. Logic 1 will

stop the fixed speed compressor and

give a warning

Use with cascade controller. Logic 1 will

stop the fixed speed compressor and

give a warning

5-10 Terminal 18 Digital Input

Option: Function:

[8] * Start

Functions are described under parameter group 5-1*

Digital Inputs

5-11 Terminal 19 Digital Input

Option: Function:

[10] * Reversing Functions are described under parameter group

5-1* Digital Inputs

5-12 Terminal 27 Digital Input

Option: Function:

[2] * Coast inverse Functions are described under parameter

group 5-1* Digital Inputs

5-13 Terminal 29 Digital Input

Option: Function:

Select the function from the available digital input range and the additional options [60], [61], [63] and [64]. Counters are used in Smart Logic Control functions.

62 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

5-13 Terminal 29 Digital Input

Option: Function:

[14] * Jog [60] Counter A (up) [61] Counter A (down) [63] Counter B (up) [64] Counter B (down)

5-14 Terminal 32 Digital Input

Option: Function:

Select the function from the available digital input range.

[0] * No operation

Functions are described under 5-1* Digital

Inputs

5-15 Terminal 33 Digital Input

Option: Function:

Select the function from the available digital input range and the additional options [60], [61], [63] and [64]. Counters are used in Smart Logic Control functions.

[0] * No operation

Functions are described under 5-1* Digital

Inputs

6.6.4 5-3* Digital Outputs

Parameters for configuring the output functions for the output terminals. The 2 solid-state digital outputs are common for terminals 27 and 29. Set the I/O function for terminal 27 in 5-01 Terminal 27 Mode, and set the I/O function for terminal 29 in 5-02 Terminal 29 Mode. Digital outputs appear if 5-01 Terminal 27 Mode or 5-02 Terminal 29 Mode are set to output.

NOTE

These parameters cannot be adjusted while the motor is running.

NOTE

Only for activating 24 V DC devices − restricted use for relays.

The digital outputs can be programmed with these functions:

[0] No operation

[1] Control ready The control board receives supply

[2] Drive ready The frequency converter is ready for

[3] Drive ready /

remote control

[4] Stand-by / no

warning

Default for all digital outputs and relay outputs

voltage.

operation and applies a supply signal on the control board. The frequency converter is ready for operation and is in Auto On mode. The frequency converter is ready for operation. No start or stop command is

been given (start/disable). There are no

warnings. [5] Running The motor is running. [6] Running / no

warning

[7] Run on

reference / no warning

[8] Run in range /

no warning

[9] Alarm An alarm activates the output. There are

[10] Alarm or

warning

[11] At torque limit

[12] Out of current

range

[13] Below current,

low

[14] Above current,

high

[15] Out of speed

range

[16] Below speed,

low

[17] Above speed,

high

[18] Out of

feedback range

[19] Below

feedback low

[20] Above

feedback high

[21] Thermal

warning

[25] Reverse

[26] Bus OK Active communication (no time-out) via

[27] Torque limit

and stop

The output speed is higher than the

speed set in 1-81 Min Speed for Function

at Stop [RPM]. The motor is running and

there are no warnings.

The motor runs at reference speed.

The motor runs in speed range.

no warnings.

An alarm or a warning activates the

output.

The torque limit set in 4-16 Torque Limit

Motor Mode or 1-17 Voltage filter time

const. has been exceeded.

The motor current is outside the range

set in 4-18 Current Limit.

The motor current is lower than set in

4-50 Warning Current Low.

The motor current is higher than set in

4-51 Warning Current High.

The output speed is outside the range set

in 4-52 Warning Speed Low and

4-53 Warning Speed High.

The output speed is lower than the

setting in 4-52 Warning Speed Low.

The output speed is higher than the

setting in 4-53 Warning Speed High.

The feedback is outside the range set in

4-56 Warning Feedback Low and

4-57 Warning Feedback High.

The feedback is below the limit set in

4-56 Warning Feedback Low Warning

Feedback Low.

The feedback is above the limit set in

4-57 Warning Feedback High Warning

Feedback High.

The thermal warning turns on when the

temperature exceeds the limit in the

motor, the frequency converter, the brake

resistor, or the thermistor.

Reversing. Logic ‘1’ = relay activated, 24 V

DC when CW rotation of the motor. Logic

‘0’ = relay not activated, no signal, when

CCW rotation of the motor.

the serial communication port.

Use in performing a coasting stop and in

torque limit condition. If the frequency

converter has received a stop signal and

is at the torque limit, the signal is Logic

‘0’.

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

[28] Brake, no

warning

[29] Brake ready, no

fault

[30] Brake fault

(IGBT)

[33] Safe Stop

Active

[35] External

Interlock

[40] Out of ref

range

[41] Below

reference low

[42] Above

reference high

[45] Bus Ctrl Control output via bus. The state of the

[46] Bus Ctrl 1 if

timeout

[47] Bus Ctrl 0 if

timeout

[55] Pulse output [60] Comparator 0

[61] Comparator 1

[62] Comparator 2

[63] Comparator 3

[64] Comparator 4

[65] Comparator 5

The brake is active and there are no warnings. The brake is ready for operation and there are no faults. The output is Logic ‘1’ when the brake IGBT is short-circuited. Use this function to protect the frequency converter if there is a fault on the brake modules. Use the output/relay to cut out the main voltage from the frequency converter. Indicates that the safe stop on terminal 37 is active. External Interlock function has been activated via one of the digital inputs. Active when the actual speed is outside the settings in 4-52 Warning Speed Low to 4-55 Warning Reference High. Active when the actual speed is below the speed reference setting. Active when the actual speed is above the speed reference setting.

output is set in 5-90 Digital & Relay Bus Control. The output state is retained in the event of bus time-out. Controls output via bus. The state of the output is set in 5-90 Digital & Relay Bus Control. In the event of bus time-out the output state is set low (On). Controls output via bus. The state of the output is set in 5-90 Digital & Relay Bus Control. In the event of bus time-out the output state is set low (Off).

See parameter group 13-1* Comparators. If Comparator 0 is evaluated as TRUE, the output will go high. Otherwise, it will be low. See parameter group 13-1* Comparators. If Comparator 2 is evaluated as TRUE, the output will go high. Otherwise, it will be low. See parameter group 13-1* Comparators. If Comparator 2 is evaluated as TRUE, the output will go high. Otherwise, it will be low. See parameter group 13-1* Comparators. If Comparator 3 is evaluated as TRUE, the output will go high. Otherwise, it will be low. See parameter group 13-1* Comparators. If Comparator 4 is evaluated as TRUE, the output will go high. Otherwise, it will be low. See parameter group 13-1* Comparators. If Comparator 4 is evaluated as TRUE, the

[70] Logic Rule 0

[71] Logic Rule 1

[72] Logic Rule 2

[73] Logic Rule 3

[74] Logic Rule 4

[75] Logic Rule 5

[80] SL Digital

Output A

[81] SL Digital

Output B

[82] SL Digital

Output C

[83] SL Digital

Output D

[84] SL Digital

Output E

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules. If

Logic Rule 0 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules If

Logic Rule 1 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules. If

Logic Rule 2 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules. If

Logic Rule 3 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules. If

Logic Rule 4 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See parameter group 13-4* Logic Rules. If

Logic Rule 5 is evaluated as TRUE, the

output will go high. Otherwise, it will be

low.

See 13-52 SL Controller Action. The input

will go high whenever the Smart Logic

Action [38] Set dig. out. A high is executed.

The input will go low whenever the Smart

Logic Action [32] Set dig. out. A low is

executed.

See 13-52 SL Controller Action. The input

will go high whenever the Smart Logic

Action [39] Set dig. out. A high is executed.

The input will go low whenever the Smart

Logic Action [33] Set dig. out. A low is

executed.

See 13-52 SL Controller Action. The input

will go high whenever the Smart Logic

Action [40] Set dig. out. A high is executed.

The input will go low whenever the Smart

Logic Action [34] Set dig. out. A low is

executed.

See 13-52 SL Controller Action. The input

will go high whenever the Smart Logic

Action [41] Set dig. out. A high is

executed. The input will go low whenever

the Smart Logic Action [35] Set dig. out. A

low is executed.

See 13-52 SL Controller Action. The input

will go high whenever the Smart Logic

Action [42] Set dig. out. A high is executed.

The input will go low whenever the Smart

Logic Action [36] Set dig. out. A low is

executed.

64 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Time

REF

Min

Speed

Time

OFF

ON OFF

Start

Stop

130BA251.10

Speed

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

[85] SL Digital

Output F

[122] No alarm The output is high when no alarm is

[123] Start command

active

[124] Running

reverse

[125] Drive in hand

mode

[126] Drive in auto

mode

[139] Compressor

Inv. Interlock

[140] Compressor

Inv. Interlock

[141] Compressor

Inv. Interlock

[195] Bypass Valve

Control

See 13-52 SL Controller Action. The input will go high whenever the Smart Logic Action [43] Set dig. out. A high is executed. The input will go low whenever the Smart Logic Action [37] Set dig. out. A low is executed.

present. The output is high when there is an active Start command (i.e. via digital input bus connection or [Hand on] or [Auto on], and no Stop or Start command is active. The output is high when the frequency converter is running counter clockwise (the logical product of the status bits ‘running’ AND ‘reverse’). The output is high when the frequency converter is in Hand on mode (as indicated by the LED light above [Hand on]. The output is high when the frequency converter is in Hand on mode (as indicated by the LED light above [Auto on]. Use with cascade controller. Logic will stop the fixed speed compressor and give a warning. Use with cascade controller. Logic will stop the fixed speed compressor and give a warning. Use with cascade controller. Logic will stop the fixed speed compressor and give a warning. The bypass valve control (Digital/Relay output in the frequency converter) is used for compressor systems to unload the compressor during start-up by using a bypass valve. After the start command is given the bypass valve will be open until the frequency converter reaches 4-11 Motor Speed Low Limit [RPM]). After the limit has been reached the bypass valve will be closed, allowing the compressor to operate normally. This procedure will not be activated again before a new start is initiated and the frequency converter speed is zero during the receiving of start signal. 1-71 Start Delay can be used in order to delay the motor start. The bypass valve control principle:

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 65

Illustration 6.6

The below setting options are all related to the Cascade Controller. Wiring diagrams and settings for parameter, see parameter group 25-** Cascade Pack Controller or more details.

5-4* Relays (Dry Contacts)

6.6.5

NOTE

Relays 7, 8, and 9 are only available if MCB 105 relay card is installed.

NOTE

Relay 1 is dedicated to controlling the solenoid valve.

Parameters for configuring the timing and the output functions for the relays.

5-40 Function Relay

Array [8] (Relay 1 [0], Relay 2 [1], Relay 7 [6], Relay 8 [7], Relay 9 [8])

[0] [1] Control Ready [2] Drive Ready [3] Drive Ready/Remote [4] Stand-by/No Warning [5] * Running [6] Running/No Warning [8] Run on Ref./No Warning [9] Alarm [10] Alarm or Warning [11] At Torque Limit [12] Out of Current Range [13] Below Current, low [14] Above Current, high [15] Out of Speed Range [16] Below Speed, low [17] Above Speed, high [18] Out of Feedb. Range [19] Below Feedback, low [20] Above Feedback, high [21] Thermal Warning

No Operation

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

[22] Ready, no thermal w [25] Reverse [26] Bus OK [27] Torque Limit & Stop [28] Brake, No Warning [29] Brake Ready, No Fault [30] Brake Fault (IGBT) [31] Relay 123 [32] Mech brake ctrl [33] Safe stop active [35] External Interlock [36] Control Word Bit 11 [37] Control Word Bit 12 [40] Out of Ref. Range [41] Below Reference, low [42] Above Ref. high [45] Bus ctrl [46] Bus ctrl, 1 if timeout [47] Bus ctrl, 0 if timeout [60] Comparator 0 [61] Comparator 1 [62] Comparator 2 [63] Comparator 3 [64] Comparator 4 [65] Comparator 5 [70] Logic Rule 0 [71] Logic Rule 1 [72] Logic Rule 2 [73] Logic Rule 3 [74] Logic Rule 4 [75] Logic Rule 5 [80] SL Digital Output A [81] SL Digital Output B [82] SL Digital Output C [83] SL Digital Output D [84] SL Digital Output E [85] SL Digital Output F [120] Local Ref. Active [121] Remote Ref. Active [122] No Alarm [123] Start Cmd. Active [124] Running Reverse [125] Drive in Hand Mode [126] Drive in Auto Mode [195] Bypass Valve Control [211] Cascade Compressor 1 [212] Cascade Compressor 2 [213] Cascade Compressor 3

5-50 Term. 29 Low Frequency

Range: Function:

100 Hz* [0 - 110000

Hz]

Enter the low frequency limit corresponding to the low motor shaft speed (i.e. low reference value) in

5-50 Term. 29 Low Frequency

Range: Function:

5-52 Term. 29 Low Ref./Feedb. Value. Refer to the diagram in this section.

5-51 Term. 29 High Frequency

Range: Function:

100 Hz* [0 - 110000

Hz]

Enter the high frequency limit corresponding to the high motor shaft speed (i.e. high reference value) in 5-53 Term. 29 High Ref./Feedb. Value.

5-52 Term. 29 Low Ref./Feedb. Value

Range: Function:

0 ReferenceFeedbackUnit*

[-999999.999 -

999999.999 ReferenceFeedbackUnit]

Enter the low reference value limit for the motor shaft speed [RPM]. This is also the lowest feedback value, see also

5-57 Term. 33 Low Ref./ Feedb. Value. Set

terminal 29 to digital input (5-02 Terminal 29 Mode = [0] input (default) and

5-13 Terminal 29 Digital Input = applicable value).

5-53 Term. 29 High Ref./Feedb. Value

Range: Function:

Size related*

[-999999.999 -

999999.999 ReferenceFeedbackUnit]

Enter the high reference value [RPM] for the motor shaft speed and the high feedback value, see also 5-58 Term. 33 High Ref./Feedb. Value. Select terminal 29 as a digital input (5-02 Terminal 29 Mode = [0]

input (default) and 5-13 Terminal 29 Digital Input =

applicable value).

5-54 Pulse Filter Time Constant #29

Range: Function:

100 ms* [1 - 1000

ms]

Enter the pulse filter time constant. The pulse filter dampens oscillations of the feedback signal, which is an advantage if there is a lot of noise in the system. A high time constant value results in better dampening but also increases the time delay through the filter.

NOTE

This parameter cannot be adjusted while the motor is running.

66 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

5-55 Term. 33 Low Frequency

Range: Function:

100 Hz* [0 - 110000

Hz]

Enter the low frequency corresponding to the low motor shaft speed (i.e. low reference value) in 5-57 Term. 33 Low Ref./Feedb. Value.

5-56 Term. 33 High Frequency

Range: Function:

100 Hz* [0 - 110000

Hz]

Enter the high frequency corresponding to the high motor shaft speed (i.e. high reference value) in 5-58 Term. 33 High Ref./Feedb. Value.

5-57 Term. 33 Low Ref./Feedb. Value

Range: Function:

0.000 * [-999999.999 -

999999.999 ]

Enter the low reference value [RPM] for the motor shaft speed. This is also the low feedback value, see also 5-52 Term. 29 Low Ref./Feedb. Value.

5-58 Term. 33 High Ref./Feedb. Value

Range: Function:

Size related* [-999999.999 -

999999.999 ReferenceFeedbackUnit]

Enter the high reference value [RPM] for the motor shaft speed. See also

5-53 Term. 29 High Ref./ Feedb. Value.

5-59 Pulse Filter Time Constant #33

Range: Function:

100 ms* [1 - 1000

ms]

Enter the pulse filter time constant. The low-pass filter reduces the influence on and dampens oscillations on the feedback signal from the control. This is an advantage, e.g. if there is a great amount on noise in the system.

NOTE

This parameter cannot be adjusted while the motor is running.

5-60 Terminal 27 Pulse Output Variable

Option: Function:

[0] No operation Select the desired display output for

terminal 27.

[45] Bus ctrl. [48] Bus ctrl., timeout [51] MCO controlled [100] Output frequency [101] Reference [102] Feedback [103] Motor current

5-60 Terminal 27 Pulse Output Variable

Option: Function:

[104] Torque rel to limit [105] Torq relate to rated [106] Power [107] Speed [108] Torque [109] Max Out Freq [119] Torque % lim

5-62 Pulse Output Max Freq #27

Range: Function:

Size related* [0 - 32000

Hz]

Set the maximum frequency for terminal 27, corresponding to the output variable selected in

5-60 Terminal 27 Pulse Output Variable.

5-63 Terminal 29 Pulse Output Variable

Option: Function:

[0] * No operation Select the desired display output for

terminal 29.

[45] Bus ctrl. [48] Bus ctrl., timeout [51] MCO controlled [100] Output frequency [101] Reference [102] Feedback [103] Motor Current [104] Torque rel to limit [105] Torq relate to rated [106] Power [107] Speed [108] Torque [109] Max Out Freq

5-65 Pulse Output Max Freq #29

Set the maximum frequency for terminal 29 corresponding to the output variable set in 5-63 Terminal 29 Pulse Output Variable.

Range: Function:

5000 Hz* [0 - 32000 Hz]

5-90 Digital & Relay Bus Control

Range: Function:

0 * [0 - 2147483647 ] This parameter holds the state of the

digital outputs and relays that is controlled by bus. A logical '1' indicates that the output is high or active. A logical '0' indicates that the output is low or inactive.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 67

Parameter Descriptions

Bit 0 Digital Output Terminal 27 Bit 1 Digital Output Terminal 29 Bit 2 Digital Output Terminal X 30/6 Bit 3 Digital Output Terminal X 30/7 Bit 4 Relay 1 output terminal Bit 5 Relay 2 output terminal Bit 6 Option B Relay 1 output terminal Bit 7 Option B Relay 2 output terminal Bit 8 Option B Relay 3 output terminal Bit 9-15 Reserved for future terminals Bit 16 Option C Relay 1 output terminal Bit 17 Option C Relay 2 output terminal Bit 18 Option C Relay 3 output terminal Bit 19 Option C Relay 4 output terminal Bit 20 Option C Relay 5 output terminal Bit 21 Option C Relay 6 output terminal Bit 22 Option C Relay 7 output terminal Bit 23 Option C Relay 8 output terminal Bit 24-31 Reserved for future terminals

Operating Instructions VLT® CDS302 and CDS303

Table 6.8

5-93 Pulse Out #27 Bus Control

Range: Function:

0.00 %* [0.00 - 100.00%]Set the output frequency transferred to the output terminal 27 when the terminal is configured as [45] Bus

Controlled in 5-60 Terminal 27 Pulse Output Variable.

5-95 Pulse Out #29 Bus Control

Range: Function:

0.00 %* [0.00 - 100.00%]Set the output frequency transferred to the output terminal 29 when the terminal is configured as [45] Bus

Controlled in 5-63 Terminal 29 Pulse Output Variable.

68 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.7 Parameters: 6-** Analog In/Out

Parameter group for configuration of the analog input and output.

6.7.1 6-0* Analog In/Out Mode

Parameter group for setting up the analog In/Out configuration.

The frequency converter is equipped with 2 analog inputs: Terminal 53 and 54. The analog inputs on the frequency converter can freely be allocated to either voltage (-10 V to +10 V) or current input (0/4 to 20 mA).

6-00 Live Zero Timeout Time

Range: Function:

10 s* [1 -

6-01 Live Zero Timeout Function

Option: Function:

[1] Freeze

Output [0] * Off [1] Freeze

output [2] Stop Overruled to stop [3] Jogging Overruled to jog speed [4] Max. speed Overruled to max. speed [5] Stop and

trip

Enter the Live Zero Time-out time period. Live

99 s]

Zero Time-out Time is active for analog inputs, i.e. terminal 53 or terminal 54, used as reference or feedback sources. If the reference signal value associated with the selected current input falls below 50% of the value set in 6-10 Terminal 53

Low Voltage, 6-12 Terminal 53 Low Current, 6-20 Terminal 54 Low Voltage or 6-22 Terminal 54 Low Current for a time period longer than the time

set in 6-00 Live Zero Timeout Time, the function selected in 6-01 Live Zero Timeout Function will be activated.

Select the time-out function. The function set in 6-01 Live Zero Timeout Function will be activated if the input signal on terminal 53 or 54 is below 50% of the value in 6-10 Terminal

53 Low Voltage, 6-12 Terminal 53 Low Current, 6-20 Terminal 54 Low Voltage or 6-22 Terminal 54 Low Current for a time period defined in 6-00 Live Zero Timeout Time. If several time-

outs occur simultaneously, the frequency converter prioritises the time-out functions as follows:

6-01 Live Zero Timeout Function

8-04 Control Word Timeout Function

Frozen at the present value

Overruled to stop with subsequent trip

6.7.2 6-1* Analog Input 1

Parameters for configuring the scaling and limits for analog input 1 (terminal 53).

NOTE

Analog input 53 is preset for usage with “open loop” control on 0-10 V. Terminal 54 is preset for “Process Loop” control using a pressure sensor AKS with a pressure range of -1 : 12 bar.

6-10 Terminal 53 Low Voltage

Range: Function:

0.00V* [-10.0 - par. 6-11]

6-11 Terminal 53 High Voltage

Range: Function:

10.00V* [6-10 to 10 V] This analog input scaling value should

6-12 Terminal 53 Low Current

Range: Function:

4.0mA* [0.0 to par. 6-13

mA]

6-13 Terminal 53 High Current

Range: Function:

20.0mA* [6-12 to 20 mA] This reference signal should

6-14 Terminal 53 Low Ref./Feedb. Value

Range: Function:

Size related* [Enter the analog input scaling value

that corresponds to the low voltage/low current set in 6-10 Terminal 53 Low

Voltage and 6-12 Terminal 53 Low Current.]

6-15 Terminal 53 High Ref./Feedb. Value

Range: Function:

Size related* []

This analog input scaling value should correspond to the minimum reference value, set in 3-02 Minimum Reference.

correspond to the maximum reference value, set in 3-03 Maximum Reference.

This reference signal should correspond to the minimum reference value, set in 3-02 Minimum Reference.

correspond to the maximum reference value, set in 3-02 Minimum Reference.

Enter the analog input scaling value that corresponds to the maximum reference feedback value set in 6-11 Terminal 53 High Voltage and 6-13 Terminal 53 High Current.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 69

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6-16 Terminal 53 Filter Time Constant

Range: Function:

0.001 s* [0.001 -

10.000 s]

Enter the time constant. This is a firstorder digital low pass filter time constant for suppressing electrical noise in terminal 53. A high time constant value improves dampening but also increases the time delay through the filter.

NOTE

This parameter cannot be adjusted while the motor is running.

6.7.3 6-2* Analog Input 2

Parameters for configuring the scaling and limits for analog input 2 (terminal 54).

NOTE

Analog input 53 is preset for usage with “open loop” control on 0-10 V. Terminal 54 is preset for “Process Loop” control using a pressure sensor AKS with a pressure range of -1 : 12 bar.

6-20 Terminal 54 Low Voltage

Range: Function:

1.00V* [-10.0 - par. 6-11]

6-21 Terminal 54 High Voltage

Range: Function:

5.00V* [6-10 to 10 V] This analog input scaling value should

6-22 Terminal 54 Low Current

Range: Function:

4.0mA * [0.0 to par. 6-13

mA]

6-23 Terminal 54 High Current

Range: Function:

20.0mA * [6-12 to 20 mA] This reference signal should

6-24 Terminal 54 Low Ref./Feedb.

Range: Function:

-1 (bar) [Value] Enter the analog input scaling value that

corresponds to the minimum reference feedback value set in 3-02 Minimum Reference.

This analog input scaling value should correspond to the minimum output value of the pressure sensor

correspond to the maximum output value of the pressure sensor.

This reference signal should correspond to the minimum output value of the pressure sensor.

correspond to the maximum output value of the pressure sensor.

6-25 Terminal 54 High Ref./Feedb.

Range: Function:

12 (bar) [Value ] Enter the analog input scaling value that

corresponds to the maximum reference feedback value set in 3-03 Maximum Reference.

6-26 Terminal 54 Filter Time Constant

Range: Function:

0.001 s* [0.001 -

10.000 s]

Enter the time constant. This is a firstorder digital low pass filter time constant for suppressing electrical noise in terminal 54. A high time constant value improves dampening but also increases the time delay through the filter.

NOTE

This parameter cannot be adjusted while the motor is running.

6-50 Terminal 42 Output

Option: Function:

Select the function of Terminal 42 as an analog current output. Depending on the selection the output is either a 0-20 mA or 4-20 mA output. The current value can be read out in LCP in 16-65 Analog Output 42 [mA].

[0] No

operation

[100] Output

frequency 0-20 mA

[101] Reference

0-20 mA

[103] Motor

current 0-20 mA

[104] Torque rel

to lim 0-20 mA

There is no signal on the analog output.

0 Hz = 0 mA; 100 Hz = 20 mA.

3-00 Reference Range [Min - Max] 0% = 0 mA; 100% = 20 mA 3-00 Reference Range [-Max - Max] -100% = 0 mA; 0% = 10 mA; +100% = 20 mA Value is taken from 16-37 Inv. Max. Current. Inverter max. current (160% current) is equal to 20 mA. Example: Inverter norm current (11 kW) = 24 A. 160% = 38.4 A. Motor norm current = 22 A Read-out 11.46 mA.

mA x 22

38.4

Max

x 100

Norm

= 11.46

38.4 x 100

= 175 %

In case the norm motor current is equal to 20 mA, the output setting of 6-52 Terminal 42 Output Max Scale is:

VLT

Motor

The torque setting is related to setting in

4-16 Torque Limit Motor Mode

70 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

0mA 12 mA 20 mA 4mA

Par 4-17 (200%)

Par 4-16 (200%)

0% Torque

130BB372.10

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6-50 Terminal 42 Output

Option: Function:

[105] Torque rel

to rated motor torque 0-20 mA

[106] Power 0-20

[107] Speed 0-20

[108] Torque ref.

0-20 mA

[109] Max Out

Freq 0-20 mA

[134] Torque%

lim. 4-20 mA

[135] Torque%

nom 4-20 mA

[141] Bus ctrl.

0-20 mA, timeout

[142] Bus ctrl.

4-20 mA, timeout

[150] Max Out

Freq 4-20 mA

[119] Torque %

lim

[149] Torque %

lim 4-20mA

[0] * No

operation

[52] MCO

0-20mA

The torque is related to the motor torque setting.

Taken from 1-20 Motor Power [kW].

Taken from 3-03 Maximum Reference. 20 mA = value in 3-03 Maximum Reference Torque reference related to 160% torque.

In relation to 4-19 Max Output Frequency.

The torque setting is related to setting in 4-16 Torque Limit Motor Mode.

The torque setting is related to the motor torque setting.

4-54 Warning Reference Low defines the behaviour of the analog output in case of bus time-out. 4-54 Warning Reference Low defines the behaviour of the analog output in case of bus time-out. In relation to 4-19 Max Output Frequency.

Analog output at zero torque = 12 mA. Motoric torque will increase the output current to max torque limit 20 mA (set in 4-16 Torque Limit Motor Mode). Generative torque will decrease the output to torque limit Generator Mode (set in 4-17 Torque Limit Generator Mode) Ex: 4-16 Torque Limit Motor Mode: 200% and 4-17 Torque Limit Generator Mode: 200%. 20 mA = 200% Motoric and 4 mA = 200% Generatoric.

Illustration 6.7

When no signal on the analog output.

6-50 Terminal 42 Output

Option: Function:

[53] MCO

4-20mA

[100] Output

frequency

[101] Reference

[102] Feedback [103] Motor

current

[104] Torque rel

to limit

[105] Torq relate

to rated [106] Power [107] Speed

[108] Torque Torque reference related to 160% torque. [109] Max Out

Freq [130] Output

freq.

4-20mA [131] Reference

4-20mA

[132] Feedback

4-20mA [133] Motor cur.

4-20mA

0 Hz = 0 mA; 100 Hz = 20 mA.

3-00 Reference Range [Min - Max] 0% = 0 mA; 100% = 20 mA 3-00 Reference Range [-Max - Max] -100% = 0 mA; 0% = 10 mA; +100% = 20 mA

Value is taken from 16-37 Inv. Max. Current. Inverter max. current (160% current) is equal to 20 mA. Example: Inverter norm current (11 kW) = 24 A. 160% = 38.4 A. Motor norm current = 22A Read-out 11.46 mA.

mA x 22

38.4

= 11.46

In case the norm motor current is equal to 20 mA, the output setting of 6-52 Terminal 42 Output Max Scale is:

x 100

VLT

Motor

Max

Norm

38.4 x 100

= 175 %

The torque setting is related to setting in

4-16 Torque Limit Motor Mode

The torque is related to the motor torque setting. Taken from 1-20 Motor Power [kW]. Taken from 3-03 Maximum Reference. 20 mA = value in 3-03 Maximum Reference

0 Hz = 0 mA,4-19 Max Output Frequency = 20 mA. 0 Hz = 4 mA, 100 Hz = 20 mA

3-00 Reference Range [Min-Max] 0% = 4 mA; 100% = 20 mA 3-00 Reference Range [-Max-Max] -100% = 4 mA; 0% = 12 mA; +100% = 20 mA

mA x 22

38.4

+ 4 mA= 13.17

In case the norm motor current is equal to 20 mA, the output setting of 6-62 Terminal X30/8 Max. Scale is:

x 100

VLT

Motor

Max

Norm

38.4 x 100

= 175 %

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 71

130BA075.12

(mA)

0/4

100%

Current

Analogue output Min Scale par. 6-93

Variable for output example: Speed (RPM)

Analogue Output Max Scale par. 6-94

Parameter Descriptions

6-50 Terminal 42 Output

Option: Function:

[134] Torq.% lim

4-20 mA

[135] Torq.%

nom 4-20 mA

[136] Power

4-20mA

[137] Speed

4-20mA

[138] Torque

4-20mA

[139] Bus ctrl.

0-20 mA

[140] Bus ctrl.

4-20 mA

[141] Bus ctrl

0-20mA t.o.

[142] Bus ctrl

4-20mA t.o.

[150] Max Out Fr

4-20mA

The torque setting is related to setting in 4-16 Torque Limit Motor Mode. The torque setting is related to the motor torque setting.

Taken from 1-20 Motor Power [kW]

Taken from 3-03 Maximum Reference. 20 mA = Value in 3-03 Maximum Reference. Torque reference related to 160% torque.

An output value set from fieldbus process data. The output will work independently of internal functions in the frequency converter. An output value set from fieldbus process data. The output will work independently of internal functions in the frequency converter. 4-54 Warning Reference Low defines the behaviour of the analog output in case of bus time-out. 4-54 Warning Reference Low defines the behaviour of the analog output in case of bus time-out. 0 Hz = 0 mA,4-19 Max Output Frequency = 20 mA.

Operating Instructions VLT® CDS302 and CDS303

Illustration 6.8

6-53 Terminal 42 Output Bus Control

Range: Function:

0.00 %* [0.00 - 100.00 %] Holds the level of Output 42 if

controlled by bus.

6-51 Terminal 42 Output Min Scale

Range: Function:

0.00 %* [0.00 -

200.00 %]

Scale for the minimum output (0 or 4 mA) of the analog signal at terminal 42. Set the value to be the percentage of the full range of the variable selected in 6-50 Terminal 42 Output.

6-52 Terminal 42 Output Max Scale

Range: Function:

100.00%* [0.00 -

200.00 %]

20 mA /

desired maximum current x

i.e

. 10 mA :

x 100 = 200 %

Scale the maximum output of the selected analog signal at terminal 42. Set the value to the maximum value of the current signal output. Scale the output to give a current lower than 20 mA at full scale; or 20 mA at an output below 100% of the maximum signal value. If 20 mA is the desired output current at a value between 0 - 100% of the full-scale output, programme the percentage value in the parameter, i.e. 50% = 20 mA. If a current between 4 and 20 mA is desired at maximum output (100%), calculate the percentage value as follows:

100 %

72 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

0.6

= 10 Hz

175ZA293.11

Feedback

Disturbed feedback signal

t (Sec.)

Filtered feedback signal

Lowpass lter

Feedback

Parameter Descriptions

6.8 Parameters: 7-** Controllers

7-06 Speed PID Lowpass Filter Time

Range: Function:

Size related*

[1.0 -

100.0 ms]

Set a time constant for the speed control low-pass filter. The low-pass filter improves steady-state performance and dampens oscillations on the feedback signal. This is an advantage if there is a great amount on noise in the system, see Illustration 6.9. For example, if a time constant (τ) of 100 ms is programmed, the cut-off frequency for the low-pass filter will be 1/0.1= 10 RAD/s., corresponding to (10/2 x π) = 1.6 Hz. The PID regulator only regulates a feedback signal that varies by a frequency of less than

1.6 Hz. If the feedback signal varies by a higher frequency than 1.6 Hz, the PID regulator does not react. Practical settings of 7-06 Speed PID Lowpass Filter Time taken from the number of pulses per revolutions from encoder:

Operating Instructions VLT® CDS302 and CDS303

Encoder PPR 7-06 Speed PID

512 10 ms 1024 5 ms 2048 2 ms 4096 1 ms

Table 6.9

Lowpass Filter Time

NOTE

Severe filtering can be detrimental to dynamic performance. This parameter is used with 1-00 Configuration Mode [1] Speed closed loop and [2] Torque control. The filter time in flux sensorless must be adjusted to 3-5 ms.

Illustration 6.9

7-2* Process PID Feedback

6.8.1

Select the feedback sources for the Process PID Control, and how this feedback should be handled.

7-20 Process CL Feedback 1 Resource

Option: Function:

For process loop with current input, 54 switch has to be positionned on I

(current). [0] No function [1] Analog input 53

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 73

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

7-20 Process CL Feedback 1 Resource

Option: Function:

[2] * Analog input 54 [3] Frequency input 29 (FC 302

only)

[4] Frequency input 33

7-22 Process CL Feedback 2 Resource

Option: Function:

The effective feedback signal is made up of the sum of up to two different input signals. Select which input should be treated as the source of the second of these signals. The first input signal is defined in 7-20 Process CL Feedback 1 Resource.

[0] * No function [1] Analog input 53 [2] Analog input 54 [3] Frequency input 29 [4] Frequency input 33 [7] Analog input X30/11 [8] Analog input X30/12 [15] Analog Input X48/2

7-30 Process PID Normal/Inverse Control

Option: Function:

Inverse action has to be selected for a process loop using a suction pressure sensor to control the

system. [0] Normal [1] * Inverse

7-31 Process PID Anti Windup

Option: Function:

[0] Off Continue regulation of an error when the output

frequency can no longer be adjusted.

[1] * On Continue regulation of an error even when the output

frequency cannot be increased or decreased.

7-32 Process PID Start Speed

Range: Function:

3000 [RPM]

[Set point ]

Enter the motor speed to be attained as a start signal for commencement of PID control. When the power is switched on, the frequency converter will commence ramping and then operate under speed open loop control. Thereafter, when the Process PID start speed is reached, the frequency converter will change over to Process PID control.

7-33 Process PID Proportional Gain

Range: Function:

2.00N/A [0.00 - 10.00

N/A]

Enter the PID proportional gain. The proportional gain multiplies the error

7-33 Process PID Proportional Gain

Range: Function:

between the set point and the feedback signal.

7-34 Process PID Integral Time

Range: Function:

9.00 s* [0.01 -

10000.00 ]

Enter the PID integral time. The integrator provides an increasing gain at a constant error between the set point and the feedback signal. The integral time is the time needed by the integrator to reach the same gain as the proportional gain.

7-35 Process PID Differentiation Time

Range: Function:

0.00 s* [0.00 -

10.00 s ]

Enter the PID differentiation time. The differentiator does not react to a constant error, but provides a gain only when the error changes. The shorter the PID differentiation time, the stronger the gain from the differentiator.

NOTE

This PID parameters are confortable to start any system, but depending on its design they have to be adjusted to follow the inertia and all responses of the real refrigeration machine.

7-36 Process PID Diff. Gain Limit

Range: Function:

5.0 * [1.0 -

50.0 ]

7-38 Process PID Feed Forward Factor

Range: Function:

0 %* [0 -

200 %]

Enter a limit for the differentiator gain (DG). If there is no limit, the DG will increase when there are fast changes. Limit the DG to obtain a pure differentiator gain at slow changes and a constant differentiator gain where fast changes occur.

Enter the PID feed forward (FF) factor. The FF factor sends a constant fraction of the reference signal to bypass the PID control, so the PID control only affects the remaining fraction of the control signal. Any change to this parameter will thus affect the motor speed. When the FF factor is activated it provides less overshoot, and high dynamics when changing the set point. 7-38 Process PID Feed Forward Factor is active when 1-00 Configuration Mode is set to [3] Process.

74 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

7-39 On Reference Bandwidth

Range: Function:

5 %* [0 - 200%]Enter the On Reference bandwidth. When the

PID Control Error (the difference between the reference and the feedback) is less than the set value of this parameter the On Reference status bit is high, i.e. =1.

6.8.2 7-6* Feedback Conversion

Select how the signals from the feedback sources must be converted.

7-60 Feedback 1 Conversion

Option: Function:

Selects the conversion to apply to the feedback signal measured on the analog input selected as feedback 1 source in 7-20 Process CL Feedback 1 Resource.

[0] * Linear No conversion is applied. The feedback

signal is assumed to be in the unit selected in 3-01 Reference/Feedback Unit and enters the process controller unchanged.

[1] Square root The square root of the feedback signal is

calculated before passing it to the process controller.

[2] Pressure to

temperature

7-61 Feedback 1 Source Unit

Option: Function:

[70] mbar [71] bar [72] Pa [73] kPa [74] m WG [170]

psi

[171]

lb/in2 [172] in WG [173] ft WG

The feedback signal is a pressure with units as specified in 7-61 Feedback 1 Source Unit. It is converted to a temperature before passing it to the process controller. The pressure to temperature conversion is based on the refrigerant selected in 7-70 Refrigerant.

Select the pressure unit applicable to feedback source 1 defined in 7-20 Process CL Feedback 1 Resource.

7-62 Feedback 2 Conversion

Option: Function:

Selects the conversion to apply to the feedback signal measured on the analog input selected as feedback 2 source in 7-22 Process CL Feedback 2 Resource.

[0] * Linear No conversion is applied. The feedback

signal is assumed to be in the unit selected in 3-01 Reference/Feedback Unit and enters the process controller unchanged.

[1] Square root The square root of the feedback signal is

calculated before passing it to the process controller.

[2] Pressure to

temperature

The feedback signal is a pressure with units as specified in 7-62 Feedback 2 Source Unit. It is converted to a temperature before passing it to the process controller. The pressure to temperature conversion is based on the refrigerant selected in 7-70 Refrigerant.

7-63 Feedback 2 Source Unit

Option: Function:

Select the pressure unit applicable to feedback source 1 defined in 7-22 Process CL Feedback 2 Resource.

[70] mbar [71] bar [72] Pa [73] kPa [74] m WG [170]

psi

[171]

lb/in2 [172] in WG [173] ft WG

6.8.3 7-7* Pressure to Temperature Conversion

The conversion of a feedback signal P in units of a pressure to a temperature T is accomplished via the formula:

T = A2/(log(P+1)-A1) – A3

where A1, A2 and A3 are refrigerant dependent constants.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 75

Parameter Descriptions

Illustration 6.10

Operating Instructions VLT® CDS302 and CDS303

The parameters in this group allow selection of a refrigerant, which implicitly determines the constants A1, A2 and A3. Alternatively, user defined constants can be programmed explicitly.

7-70 Refrigerant

Option: Function:

[0] R22 [1] R134a [2] * R404A [3] R407C [4] R410A [5] R502 [6] R744 [7] User defined

7-71 User Defined Refrigerant A1

Range: Function:

[8.0000 –

12.0000]

Selects the value used for the constant A1 in the pressure to temperature conversion formula (see parameter group 7-7* Pressure to Temperature Conversion).

7-72 User Defined Refrigerant A2

Range: Function:

[-3000.00 –

-1500.00]

Selects the value used for the constant A2 in the pressure to temperature conversion formula (see parameter group 7-7* Pressure to Temperature Conversion).

6.8.4 7-8* Thermostat/Pressostat Function

The Thermostat-Pressostat Function (TPF) can be used to stop and start the compressor when running in closed loop. The TPF monitors and compares the resulting feedback with the Cut-out value in 7-81 Cut-out Value. When the resulting feedback gets below 7-81 Cut-out Value a stop signal is generated and the compressor stops. When the resulting feedback gets above the Cut-in value in 7-82 Cut-in Value the stop signal is removed and the compressor starts again.

The Set-point should be set to a value in between Cut-in and Cut-out.

7-73 User Defined Refrigerant A3

Illustration 6.11

Range: Function:

[200.000 –

300.000]

Selects the value used for the constant A3 in the pressure to temperature conversion formula (see parameter group 7-7* Pressure to Temperature Conversion).

Point A: At start-up the temperature will be higher than wanted in the evaporator and therefore a higher pressure than the Cut-in level and the compressor must run. Another situation could be that the start situation is where the feedback is between Cut-out and Cut-in. In that case, no STOP is initiated.

76 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Point B: After some time the cut-out level may be reached and the compressor must be shut off.

Point C: Cut-in is reached and the compressor is restarted.

Operating Instructions VLT® CDS302 and CDS303

NOTE

When using the TPF together with the Cascade Controller further consideration must be taken. The Cut-Out value should be below the Override Bandwidth setting (see 25-21 Override Bandwidth). Cut-In should be set above the set-point and below the value for Staging Bandwidth (see 25-20 Staging Bandwidth).

7-80 Thermostat/Pressostat Function

Option: Function:

[0] * Off Function is inactive [1] On Function is active

7-81 Cut-out Value

Range: Function:

1 bar* [-3000 - par.7-82] Select the Cut-out Level where the

stop signal is activated and the compressor stops.

7-82 Cut-in Value

Range: Function:

3 bar* [Par.7-81 –

3000]

Select the Cut-in Level where the stop signal is de-activated and the compressor starts.

MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor 77

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.9 Parameters: 8-** Communications and Options

6.9.1 8-0* General Settings

8-01 Control Site

Option: Function:

The setting in this parameter overrides the settings in 8-50 Coasting Select to 8-56 Preset Reference Select.

[0] * Digital and

ctrl.word

[1] Digital only Control by using digital inputs only.

[2] Controlword only Control by using control word only.

Control by using both digital input and control word.

8-02 Control Word Source

Select the source of the control word: one of two serial interfaces or four installed options. During initial power-up, the frequency converter automatically sets this parameter to [3] Option A if it detects a valid fieldbus option installed in slot A. If the option is removed, the frequency converter detects a change in the configuration, sets 8-02 Control Word Source back to default setting RS-485, and the frequency converter trips. If an option is installed after initial power-up, the setting of 8-02 Control Word Source does not change, but the frequency converter trips and displays: Alarm 67 Option Changed. When retrofitting a bus option into a frequency converter, that did not have a bus option installed to begin with, take an ACTIVE decision to move the control to Bus based. This is done for safety reasons to avoid an accidental change.

Option: Function:

[0] None [1] * FC RS485 [2] FC USB [3] * Option A [4] Option B [5] Option C0 [6] Option C1 [30] External Can

NOTE

This parameter cannot be adjusted while the motor is running.

8-03 Control Word Timeout Time

Range: Function:

[1.0 s] 0.1-18000.0 s Enter the maximum time expected to

pass between the reception of two consecutive telegrams. If this time is exceeded, it indicates that the serial communication has stopped. The function selected in 8-04 Control Word Timeout Function is then carried out. A

8-03 Control Word Timeout Time

Range: Function:

valid control word triggers the time-out counter.

20 s* [ 0.1 -

18000.0 s]

Enter the maximum time expected to pass between the reception of two consecutive telegrams. If this time is exceeded, it indicates that the serial communication has stopped. The function selected in 8-04 Control Word Timeout Functionis then carried out. A valid control word triggers the time-out counter.

8-04 Control Word Timeout Function

Select the time-out function. The time-out function activates when the control word fails to be updated within the time period specified in 8-03 Control Word Timeout Time.

Option: Function:

[0] * Off Resumes control via serial bus (fieldbus or

standard) using the most recent control word.

[1] Freeze output Freezes output frequency until communi-

cation resumes.

[2] Stop Stops with auto restart when communi-

cation resumes.

[3] Jogging Runs the motor at JOG frequency until

communication resumes.

[4] Max. speed Runs the motor at maximum frequency

until communication resumes.

[5] Stop and trip Stops the motor, then resets the frequency

converter to restart: via the fieldbus, via [Reset], or via a digital input.

[7] Select setup 1 Changes the set-up upon reestablishment of

communication following a control word time-out. If communication resumes after a time-out, 8-05 End-of-Timeout Function defines whether to resume the set-up used before the time-out, or to retain the set-up endorsed by the time-out function.

[8] Select setup 2

[9] Select setup 3

[10] Select setup 4

[26] Trip

See [7] Select setup 1

NOTE

To change the set-up after a time-out, the following configuration is required: Set 0-10 Active Set-up to [9] Multi set-up and select the relevant link in 0-12 This Set-up Linked to.

78 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

8-05 End-of-Timeout Function

Option: Function:

Select the action after receiving a valid control word following a time-out. This parameter is active only when 8-04 Control

Timeout Function is set to [7] Set-up 1, [8] Setup 2, [9] Set-up 3 or [10] Set-up 4.

[0] Hold set-up

[1] * Resume set-upResumes the set-up active before the time-

Retains the set-up selected in 8-04 Control

Timeout Function and displays a warning, until 8-06 Reset Control Timeout toggles. Then the

frequency converter resumes its original setup.

out.

8-06 Reset Control Word Timeout

This parameter is active only when [0] Hold set-up has been selected in 8-05 End-of-Timeout Function.

Option: Function:

[0] * Do not reset

[1] Do reset Returns the frequency converter to the

Retains the set-up specified in 8-04 Control Word Timeout Function, following a control word time-out.

original set-up following a control word timeout. The frequency converter performs the reset and then immediately reverts to the [0] Do not reset setting

6.9.2 8-1* Ctrl. Word Settings

8-10 Control Word Profile

Select the interpretation of the control and status words corresponding to the installed fieldbus. Only the selections valid for the fieldbus installed in slot A will be visible in the LCP display. For guidelines in selection of [0] FC profile and [1] PROFIdrive profile, refer to the Serial communication via RS-485 Interface section in the Design Guide. For additional guidelines in the selection of [1] PROFIdrive profile, refer to the Operating Instructions for the installed fieldbus.

Option: Function:

[0] * FC profile [1] PROFIdrive profile

8-13 Configurable Status Word STW

Option: Function:

[0] No function The input is always low. [1] * Profile Default Depended on the profile set in

8-10 Control Profile.

[2] Alarm 68 Only The input goes high whenever Alarm 68

is active and goes low whenever no alarm 68 is actived

[3] Trip excl Alarm 68

8-13 Configurable Status Word STW

Option: Function:

[16] T37 DI status The input goes high whenever T37 has

0 V and goes low whenever T37 has 24 V

6.9.3 8-3* FC Port Settings

8-30 Protocol

Option: Function:

Select the protocol to be used. Changing protocol will not be effective until after

powering off the frequency converter. [0] * FC [1] FC MC [2] Modbus RTU

8-31 Address

Range: Function:

Size related* [ 1. - 255. ] Enter the address for the FC

(standard) port. Valid range: 1-126.

8-32 FC Port Baud Rate

Option: Function:

[0] 2400 Baud Baud rate selection for the FC (standard)

port.

[1] 4800 Baud [2] * 9600 Baud [3] 19200 Baud [4] 38400 Baud [5] 57600 Baud [6] 76800 Baud [7] 115200 Baud

8-33 Parity / Stop Bits

Option: Function:

[0] Even Parity, 1 Stop Bit [1] Odd Parity, 1 Stop Bit [2] No Parity, 1 Stop Bit [3] No Parity, 2 Stop Bits

8-35 Minimum Response Delay

Range: Function:

10 ms* [ 1 - 10000.

ms]

Specify the minimum delay time between receiving a request and transmitting a response. This is used for overcoming modem turnaround delays.

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

8-36 Max Response Delay

Range: Function:

Size related*

[ 11. 10001 ms]

Specify the maximum permissible delay time between transmitting a request and receiving a response. If a response from the frequency converter is exceeding the time setting then it will be discarded.

8-37 Max Inter-Char Delay

Range: Function:

Size related* [ 0.00 - 35.00 ms]

6.9.4 8-5* Digital/Bus

Parameters for configuring the control word Digital/Bus merging.

NOTE

These parameters are active only when 8-01 Control Site is set to [0] Digital and control word.

8-50 Coasting Select

Option: Function:

Select control of the coasting function via the terminals (digital input) and/or via the bus.

[0] Digital

input

[1] Bus Activates Start command via the serial

[2] Logic AND Activates Start command via the fieldbus/serial

[3] * Logic OR Activates Start command via the fieldbus/serial

8-51 Quick Stop Select

Select control of the Quick Stop function via the terminals (digital input) and/or via the bus.

Option: Function:

[0] Digital input [1] Bus [2] Logic AND [3] * Logic OR

8-52 DC Brake Select

Option: Function:

Activates Start command via a digital input.

communication port or fieldbus option.

communication port, AND additionally via one of the digital inputs.

communication port OR via one of the digital inputs.

Select control of the DC brake via the terminals (digital input) and/or via the fieldbus.

8-52 DC Brake Select

Option: Function:

NOTE

Only selection [0] Digital input is available when 1-10 Motor Construction is set to [1] PM non-salient SPM.

[0] Digital

input

[1] Bus Activates Start command via the serial

[2] Logic AND Activates Start command via the fieldbus/serial

[3] * Logic OR Activates Start command via the fieldbus/serial

8-53 Start Select

Option: Function:

[0] Digital

input

[1] Bus Activates Start command via the serial

[2] Logic AND Activates Start command via the fieldbus/serial

[3] * Logic OR Activates Start command via the fieldbus/serial

8-54 Reversing Select

Option: Function:

[0] Digital

input

[1] Bus Activates the Reverse command via the serial

[2] Logic AND Activates the Reverse command via the

[3] * Logic OR Activates the Reverse command via the

Activates Start command via a digital input.

communication port or fieldbus option.

communication port, AND additionally via one of the digital inputs.

communication port OR via one of the digital inputs.

Select control of the frequency converter start function via the terminals (digital input) and/or via the fieldbus.

Activates Start command via a digital input.

communication port or fieldbus option.

communication port, AND additionally via one of the digital inputs.

communication port OR via one of the digital inputs.

Select control of the frequency converter reverse function via the terminals (digital input) and/or via the fieldbus.

communication port or fieldbus option.

fieldbus/serial communication port, AND additionally via one of the digital inputs.

fieldbus/serial communication port OR via one of the digital inputs.

80 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

8-55 Set-up Select

Option: Function:

Select control of the frequency converter setup selection via the terminals (digital input) and/or via the fieldbus.

[0] Digital

input

[1] Bus Activates the set-up selection via the serial

[2] Logic AND Activates the set-up selection via the fieldbus/

[3] * Logic OR Activate the set-up selection via the fieldbus/

Activates the set-up selection via a digital input.

communication port or fieldbus option.

serial communication port, AND additionally via one of the digital inputs.

serial communication port OR via one of the digital inputs.

8-56 Preset Reference Select

Option: Function:

Select control of the frequency converter Preset Reference selection via the terminals (digital input) and/or via the fieldbus.

[0] Digital

input

[1] Bus Activates Preset Reference selection via the

[2] Logic AND Activates Preset Reference selection via the

[3] * Logic OR Activates the Preset Reference selection via the

Activates Preset Reference selection via a digital input.

serial communication port or fieldbus option.

fieldbus/serial communication port, AND additionally via one of the digital inputs.

fieldbus/serial communication port OR via one of the digital inputs.

8-83 Slave Error Count

Range: Function:

0 * [0 - 0 ] This parameter shows the number of error

telegrams, which could not be executed by the frequency converter.

6.9.6 8-9* Bus Jog

8-90 Bus Jog 1 Speed

Range: Function:

100 RPM* [ 0 - par. 4-13

RPM]

8-91 Bus Jog 2 Speed

Range: Function:

200 RPM* [ 0 - par. 4-13

RPM]

Enter the jog speed. Activate this fixed jog speed via the serial port or fieldbus option.

6.9.5 8-8* FC Port Diagnostics

These parameters are used for monitoring the Bus communication via the FC Port.

8-80 Bus Message Count

Range: Function:

0 * [0 - 0 ] This parameter shows the number of valid

telegrams detected on the bus.

8-81 Bus Error Count

Range: Function:

0 * [0 - 0 ] This parameter shows the number of telegrams

with faults (e.g. CRC fault), detected on the bus.

8-82 Slave Messages Rcvd

Range: Function:

0 * [0 - 0 ] This parameter shows the number of valid

telegrams addressed to the slave, sent by the frequency converter.

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. . . . . .

Par. 13-43 Comparator Operator

Par. 13-43 Logic Rule Operator 2

Par. 13-51 SL Controller Event

Par. 13-51 SL Controller Action

130BB671.10

Coast Start timer Set Do X low Select set-up 2 . . .

Running Warning Torque limit Digital inpute X 30/2 . . .

= TRUE longer than..

. . . . . .

130BA062.13

State 1 Event 1/ Action 1

State 2 Event 2/ Action 2

Start event P13-01

State 3 Event 3/ Action 3

State 4 Event 4/ Action 4

Stop event P13-02

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.10 Parameters: 13-** Smart Logic Control

6.10.1 Prog. Features

Smart Logic Control (SLC) is essentially a sequence of user defined actions (see 13-52 SL Controller Action [x]) executed by the SLC when the associated user defined event (see 13-51 SL Controller Event [x]) is evaluated as TRUE by the SLC. The condition for an event can be a particular status or that the output from a Logic Rule or a Comparator Operand becomes TRUE. That will lead to an associated Action as illustrated:

Illustration 6.13

Starting and stopping the SLC: Starting and stopping the SLC can be done by selecting .On [1]. or .Off [0]. in 13-00 SL Controller Mode. The SLC always starts in state 0 (where it evaluates event [0]). The SLC starts when the Start Event (defined in 13-01 Start Event) is evaluated as TRUE (provided that On [1] is selected in 13-00 SL Controller Mode). The SLC stops when the Stop Event (13-02 Stop Event) is TRUE. 13-03 Reset SLC resets all SLC parameters and start programming from scratch.

NOTE

SLC is only active in AUTO mode, not Hand On mode

6.10.2 13-0* SLC Settings

Use the SLC settings to activate, deactivate and reset the Smart Logic Control sequence. The logic functions and comtors are always running in the background, which opens for sete control of digital inputs and outputs.

Illustration 6.12

Events and actions are each numbered and linked together in pairs (states). This means that when event [0] is fulfilled (attains the value TRUE), action [0] is executed. After this, the conditions of event [1] will be evaluated and if evaluated TRUE, action [1] will be executed and so on. Only one event will be evaluated at any time. If an event is evaluated as FALSE, nothing happens (in the SLC) during the current scan interval and no other events will be evaluated. This means that when the SLC starts, it evaluates event [0] (and only event [0]) each scan interval. Only when event [0] is evaluated TRUE, will the SLC execute action [0] and start evaluating event [1]. It is possible to programme from 1 to 20 events and actions. When the last event / action has been executed, the sequence starts over again from event [0] / action [0]. The illustration shows an example with three event / actions:

82 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

13-00 SLC Controller Mode

Option: Function:

[ 0] * Off Disables the Smart Logic Control. [1] On Enables the Smart Logic Control to start when a start

command is present, e.g. via a digital input.

13-01 Start Event

Option: Function:

[0] * False Select the boolean (TRUE or FALSE)

input to activate Smart Logic Control. Enters the fixed value - FALSE

[1] True Enters the fixed value - TRUE.

[2] Running The motor is running.

[3] In range The motor is running within the

programmed current and speed ranges set in 4-50 Warning Current Low to 4-53 Warning Speed High.

[4] On reference The motor is running on reference.

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-01 Start Event

Option: Function:

[5] Torque limit

[6] Current limit The motor current limit, set in

[7] Out of current

range

[8] Below I low The motor current is lower than set

[9] Above I high The motor current is higher than set

[10] Out of speed range The speed is outside the range set in

[11] Below speed low The output speed is lower than the

[12] Above speed high The output speed is higher than the

[13] Out of feedb. range The feedback is outside the range set

[14] Below feedb. low The feedback is below the limit set in

[15] Above feedb. high The feedback is above the limit set in

[16] Thermal warning The thermal warning turns on when

[17] Mains out of range The mains voltage is outside the

[18] Reversing The output is high when the

[19] Warning A warning is active.

[20] Alarm (trip) A (trip) alarm is active.

[21] Alarm (trip lock) A (Trip lock) alarm is active.

[22] Comparator 0 Use the result of comparator 0.

[23] Comparator 1 Use the result of comparator 1.

[24] Comparator 2 Use the result of comparator 2.

[25] Comparator 3 Use the result of comparator 3.

[26] Logic rule 0 Use the result of logic rule 0.

[27] Logic rule 1 Use the result of logic rule 1.

The torque limit, set in 4-16 Torque

Limit Motor Mode or 4-17 Torque Limit Generator Mode, has been exceeded.

4-18 Current Limit, has been

exceeded.

The motor current is outside the range set in 4-18 Current Limit.

in 4-50 Warning Current Low.

in 4-51 Warning Current High.

4-52 Warning Speed Low and 4-53 Warning Speed High.

setting in 4-52 Warning Speed Low.

setting in 4-53 Warning Speed High.

in 4-56 Warning Feedback Low and

4-57 Warning Feedback High.

4-56 Warning Feedback Low.

4-57 Warning Feedback High.

the temperature exceeds the limit in the motor, the frequency converter, the brake resistor or the thermistor.

specified voltage range.

frequency converter is running counter clockwise (the logical product of the status bits “running” AND “reverse”).

13-01 Start Event

Option: Function:

[28] Logic rule 2 Use the result of logic rule 2.

[29] Logic rule 3 Use the result of logic rule 3.

[33] Digital input DI18 Use the result of digital input 18.

[34] Digital input DI19 Use the result of digital input 19.

[35] Digital input DI27 Use the result of digital input 27.

[36] Digital input DI29 Use the result of digital input 29.

[37] Digital input DI32 Use the result of digital input 32.

[38] Digital input DI33 Use the result of digital input 33.

[39] Start command A start command is issued.

[40] Drive stopped A stop command (Jog, Stop, Qstop,

Coast) is issued – and not from the SLC itself.

[41] Reset Trip A reset is issued

[42] Auto-reset Trip An Auto reset is performed.

[43] Ok key The [OK] key is pressed.

[44] Reset key The [Reset] key is pressed.

[45] Left key

[46] Right key

[47] Up key

[48] Down key

[50] Comparator 4 Use the result of comparator 4.

[51] Comparator 5 Use the result of comparator 5.

[60] Logic rule 4 Use the result of logic rule 4.

[61] Logic rule 5 Use the result of logic rule 5.

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

The [◄] key is pressed.

The [►] key is pressed.

The [▲] key is pressed.

The [▼] key is pressed.

13-02 Stop Event

Select the boolean (TRUE or FALSE) input to activate Smart Logic Control.

Option: Function:

[0] * False

[1] True [2] Running [3] In range [4] On reference [5] Torque limit [6] Current limit

For descriptions [0]-[61], see 13-01 Start Event Start Event

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-02 Stop Event

Select the boolean (TRUE or FALSE) input to activate Smart Logic Control.

Option: Function:

[7] Out of current range [8] Below I low [9] Above I high [10] Out of speed range [11] Below speed low [12] Above speed high [13] Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 Smart Logic Controller timer 3 is

timed out.

13-02 Stop Event

Select the boolean (TRUE or FALSE) input to activate Smart Logic Control.

Option: Function:

[71] SL Time-out 4 Smart Logic Controller timer 4 is

timed out.

[72] SL Time-out 5 Smart Logic Controller timer 5 is

timed out.

[73] SL Time-out 6 Smart Logic Controller timer 6 is

timed out.

[74] SL Time-out 7 Smart Logic Controller timer 7 is

timed out.

[75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning

[91] ATEX ETR cur. alarm

[92] ATEX ETR freq. warning

[93] ATEX ETR freq. alarm

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

Selectable if 1-90 Motor Thermal Protection is set to [20] or [21]. If the alarm 164 ATEX ETR cur.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] or [21]. If the alarm 166 ATEX ETR freq.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] or [21] ]. If the alarm 163 ATEX ETR cur.lim.warning is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] or [21]. If the warning 165 ATEX ETR freq.lim.warning is active, the output will be 1.

84 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Par. 13-11 Comparator Operator

TRUE longer than.

. . .

Par. 13-10 Comparator Operand

Par. 13-12 Comparator Value

130BB672.10

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

[0] * Do not reset

[1] Reset SLC Resets all parameters in parameter group

6.10.3 13-1* Comparators

Comparators are used for comparing continuous variables (i.e. output frequency, output current, analog input etc.) to fixed preset values.

In addition, there are digital values that will be compared to fixed time values. See explanation in 13-10 Comparator Operand. Comparators are evaluated once in each scan interval. Use the result (TRUE or FALSE) directly. All parameters in this parameter group are array parameters with index 0 to 5. Select index 0 to programme Comparator 0, select index 1 to programme Comparator 1, and so on.

[0] * DISABLED The comparator is disabled.

[1] Reference The resulting remote reference (not

[2] Feedback In the unit [RPM] or [Hz]

[3] Motor speed [RPM] or [Hz]

[4] Motor current [A]

13-03 Reset SLC

Option: Function:

Retains programmed settings in all

SLC

Illustration 6.14

parameter group 13-** Smart Logic Control.

13-** Smart Logic Control to default settings.

13-10 Comparator Operand

Array [6]

Option: Function:

Choices [1] to [31] are variables which will be compared based on their values. Choices [50] to [186] are digital values (TRUE/FALSE) where the comparison is based on the amount of time during which they are set to TRUE or FALSE, respectively. See 13-11 Comparator Operator. Select the variable to be monitored by the comparator.

local) as a percentage.

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13-10 Comparator Operand

Array [6]

Option: Function:

[5] Motor torque [Nm]

[6] Motor power [kW] or [hp]

[7] Motor voltage [V]

[8] DC-link voltage [V]

[9] Motor thermal Expressed as a percentage.

[10] Drive thermal Expressed as a percentage.

[11] Heat sink temp. Expressed as a percentage.

[12] Analog input AI53 Expressed as a percentage.

[13] Analog input AI54 Expressed as a percentage.

[14] Analog input

AIFB10

[15] Analog input

AIS24V

[17] Analog input

AICCT

[18] Pulse input FI29 Expressed as a percentage.

[19] Pulse input FI33 Expressed as a percentage.

[20] Alarm number The error number.

[21] Warning number [22] Analog input x30

[23] Analog input x30

[30] Counter A Number of counts

[31] Counter B Number of counts

[50] FALSE Enters the fixed value of false in the

[51] TRUE Enters the fixed value of true in the

[52] Control ready The control board receives supply

[53] Drive ready The frequency converter is ready for

[54] Running The motor is running.

[55] Reversing The output is high when the

[56] In range The motor is running within the

[60] On reference The motor is running on reference.

[V]. AIFB10 is internal 10 V supply.

[V] Analog input AICCT [17] [°]. AIS24V is switch mode power supply: SMPS 24V.

[°]. AICCT is control card temperature.

comparator.

voltage

operation and applies a supply signal on the control board.

frequency converter is running counter clockwise (the logical product of the status bits “running” AND “reverse”)

programmed current and speed ranges set in 4-50 Warning Current Low to 4-53 Warning Speed High.

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-10 Comparator Operand

Array [6]

Option: Function:

[61] Below reference,

low

[62] Above ref, high The motor is running above the value

[65] Torque limit

[66] Current limit The motor current limit, set in

[67] Out of current

range

[68] Below I low The motor current is lower than set in

[69] Above I high The motor current is higher than set

[70] Out of speed

range

[71] Below speed low The output speed is lower than the

[72] Above speed high The output speed is higher than the

[75] Out of feedb.

range

[76] Below feedb. low The feedback is below the limit set in

[77] Above feedb. high The feedback is above the limit set in

[80] Thermal warning The thermal warning turns on when

[82] Mains out of

range

[85] Warning A warning is active.

[86] Alarm (trip) A (trip) alarm is active.

[87] Alarm (trip lock) A (Trip lock) alarm is active.

[90] Bus OK Active communication (no time-out)

[91] Torque limit &

stop

[92] Brake fault (IGBT) The brake IGBT is short circuited.

[93] Mech. brake

control

The motor is running below the value given in 4-54 Warning Reference Low

given in 4-55 Warning Reference High

The torque limit, set in 4-16 Torque

Limit Motor Mode or 4-17 Torque Limit Generator Mode, has been exceeded.

4-18 Current Limit, has been exceeded.

The motor current is outside the range set in 4-18 Current Limit.

4-50 Warning Current Low.

in 4-51 Warning Current High.

The speed is outside the range set in

4-52 Warning Speed Low and 4-53 Warning Speed High.

setting in 4-52 Warning Speed Low.

setting in 4-53 Warning Speed High.

The feedback is outside the range set in 4-56 Warning Feedback Low and

4-57 Warning Feedback High.

4-56 Warning Feedback Low.

4-57 Warning Feedback High.

the temperature exceeds the limit in the motor, the frequency converter, the brake resistor or thermistor.

The mains voltage is outside the specified voltage range.

via the serial communication port.

If the frequency converter has received a stop signal and is at the torque limit, the signal is logic “0”.

The mechanical brake is active.

13-10 Comparator Operand

Array [6]

Option: Function:

[94] Safe stop active [100] Comparator 0 The result of comparator 0.

[101] Comparator 1 The result of comparator 1.

[102] Comparator 2 The result of comparator 2.

[103] Comparator 3 The result of comparator 3.

[104] Comparator 4 The result of comparator 4.

[105] Comparator 5 The result of comparator 5.

[110] Logic rule 0 The result of Logic rule 0.

[111] Logic rule 1 The result of Logic rule 1.

[112] Logic rule 2 The result of Logic rule 2.

[113] Logic rule 3 The result of Logic rule 3.

[114] Logic rule 4 The result of Logic rule 4.

[115] Logic rule 5 The result of Logic rule 5.

[120] SL Time-out 0 The result of SLC timer 0.

[121] SL Time-out 1 The result of SLC timer 1.

[122] SL Time-out 2 The result of SLC timer 2.

[123] SL Time-out 3 The result of SLC timer 3.

[124] SL Time-out 4 The result of SLC timer 4.

[125] SL Time-out 5 The result of SLC timer 5.

[126] SL Time-out 6 The result of SLC timer 6.

[127] SL Time-out 7 The result of SLC timer 7.

[130] Digital input DI18 Digital input 18. High = True.

[131] Digital input DI19 Digital input 19. High = True.

[132] Digital input DI27 Digital input 27. High = True.

[133] Digital input DI29 Digital input 29. High = True.

[134] Digital input DI32 Digital input 32. High = True.

[135] Digital input DI33 Digital input 33. High = True.

[150] SL digital outputAUse the result of the SLC output A.

[151] SL digital output B Use the result of the SLC output B.

[152] SL digital outputCUse the result of the SLC output C.

[153] SL digital outputDUse the result of the SLC output D.

[154] SL digital output E Use the result of the SLC output E.

[155] SL digital output F Use the result of the SLC output F.

[160] Relay 1 Relay 1 is active

[161] Relay 2 Relay 2 is active

[180] Local ref. active

High when 3-13 Reference Site = [2] Local or when 3-13 Reference Site is [0]

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Par. 13-15 RS-FF Operand S

Par. 13-16 RS-FF Operand R

130BB959.10

Flip Flop Output

130BB960.10

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-10 Comparator Operand

Array [6]

Option: Function:

Linked to hand Auto, at the same time as the LCP is in Hand On mode.

[181] Remote ref. active

[182] Start command High when there is an active start

[183] Drive stopped A stop command (Jog, Stop, Qstop,

[185] Drive in hand

mode

[186] Drive in auto

mode

[187] Start command

given [190] Digital input x30 2 [191] Digital input x30 3 [192] Digital input x30 4 [193] Digital input x46 1 [194] Digital input x46 2 [195] Digital input x46 3 [196] Digital input x46 4 [197] Digital input x46 5 [198] Digital input x46 6 [199] Digital input x46 7

High when 3-13 Reference Site= [1] Remote or [0] Linked to hand/auto, while the LCP is in Auto On mode.

command, and no stop command.

Coast) is issued – and not from the SLC itself.

High when the frequency converter is in hand mode.

High when the frequency converter is in auto mode.

13-11 Comparator Operator

Array [6]

Option: Function:

Select the operator to be used in the comparison. This is an array parameter containing comparator operators 0 to 5.

[0] < The result of the evaluation is TRUE, when

the variable selected in 13-10 Comparator

Operand is smaller than the fixed value in 13-12 Comparator Value. The result is FALSE, if the variable selected in 13-10 Comparator Operand is greater than the fixed value in 13-12 Comparator Value.

[1] * ≈ (equal) The result of the evaluation is TRUE, when

the variable selected in 13-10 Comparator Operand is approximately equal to the fixed value in 13-12 Comparator Value.

[2] > Inverse logic of option < [0].

[5] TRUE longer

than..

[6] FALSE

longer than..

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13-11 Comparator Operator

Array [6]

Option: Function:

[7] TRUE shorter

than..

[8] FALSE

shorter than..

13-12 Comparator Value

Array [6]

Range: Function:

Size related* [-100000.000 -

100000.000 ]

Enter the ‘trigger level’ for the variable that is monitored by this comtor. This is an array parameter containing comtor values 0 to 5.

6.10.4 13-1* RS Flip Flops

The Reset-Set Flip Flops hold the signal until set/reset.

Illustration 6.15

Two parameters are used and the output can be used in the logic rules and as events.

Illustration 6.16

The two operators can be selected from a long list. As a special case, the same digital input can be used as both Set and Reset, making it possible to use the same digital input as start/stop. The following settings can be used to set up the same digital input as start/stop (example given with DI32 but is not a requirement).

Parameter Setting Notes

13-00 SL Controller Mode On 13-01 Start Event TRUE 13-02 Stop Event FALSE

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

Parameter Setting Notes

13-40 Logic Rule Boolean 1 [0]

13-42 Logic Rule Boolean 2 [0] [2] Running 13-41 Logic Rule Operator 1 [0]

13-40 Logic Rule Boolean 1 [1]

13-42 Logic Rule Boolean 2 [1] [2] Running 13-41 Logic Rule Operator 1 [1]

13-15 RS-FF Operand S [0]

13-16 RS-FF Operand R [0]

13-51 SL Controller Event [0]

13-52 SL Controller Action [0] [22] Run

13-51 SL Controller Event [1]

13-52 SL Controller Action [1] [24] Stop

Table 6.10

[37] Digital Input DI32

[3] AND NOT

[37] Digital Input DI32

[1] AND

[26] Logicrule 0 [27] Logicrule 1

[94] RS Flipflop 0

[27] Logicrule 1

Output from 13-41 [0] Output from 13-41 [1]

Output from evaluating 13-15 and 13-16

13-15 RS-FF Operand S

Option: Function:

13-15 RS-FF Operand S

Option: Function:

[24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning [91] ATEX ETR cur. alarm [92] ATEX ETR freq. warning [93] ATEX ETR freq. alarm [94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2

88 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-15 RS-FF Operand S

Option: Function:

[97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

13-16 RS-FF Operand R

Option: Function:

[0] False [1] True [2] Running [3] In range [4] On reference [5] Torque limit [6] Current limit [7] Out of current range [8] Below I low [9] Above I high [10] Out of speed range [11] Below speed low [12] Above speed high [13] Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key

13-16 RS-FF Operand R

Option: Function:

[45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning [91] ATEX ETR cur. alarm [92] ATEX ETR freq. warning [93] ATEX ETR freq. alarm [94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

6.10.5 13-2* Timers

Use the result (TRUE or FALSE) from timers directly to define an event (see 13-51 SL Controller Event), or as boolean input in a logic rule (see 13-40 Logic Rule Boolean 1, 13-42 Logic Rule Boolean 2 or 13-44 Logic Rule Boolean 3). A timer is only FALSE when started by an action (i.e. [29] Start timer 1) until the timer value entered in this parameter is elapsed. Then it becomes TRUE again. All parameters in this parameter group are array parameters with index 0 to 2. Select index 0 to program Timer 0, select index 1 to program Timer 1, and so on.

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. . . . . .

Par. 13-43 Logic Rule Operator 2

Par. 13-41 Logic Rule Operator 1

Par. 13-40 Logic Rule Boolean 1

Par. 13-42 Logic Rule Boolean 2

Par. 13-44 Logic Rule Boolean 3

130BB673.10

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-20 SL Controller Timer

Range: Function:

Size related*

[ 0.000 -

0.000 ]

Enter the value to define the duration of the FALSE output from the programmed timer. A timer is only FALSE if it is started by an action (i.e. Start timer 1 [29]) and until the given timer value has elapsed.

6.10.6 13-4* Logic Rules

Combine up to three boolean inputs (TRUE/FALSE inputs) from timers, comtors, digital inputs, status bits and events using the logical operators AND, OR, and NOT. Select boolean inputs for the calculation in 13-40 Logic Rule

Boolean 1, 13-42 Logic Rule Boolean 2 and 13-44 Logic Rule Boolean 3. Define the operators used to logically combine the selected inputs in 13-41 Logic Rule Operator 1 and 13-43 Logic Rule Operator 2.

Illustration 6.17

Priority of calculation The results of 13-40 Logic Rule Boolean 1, 13-41 Logic Rule Operator 1 and 13-42 Logic Rule Boolean 2 are calculated first. The outcome (TRUE/FALSE) of this calculation is combined with the settings of 13-43 Logic Rule Operator 2 and 13-44 Logic Rule Boolean 3, yielding the final result (TRUE/FALSE) of the logic rule.

13-40 Logic Rule Boolean 1

Array [6]

Option: Function:

[0] * False Select the first boolean (TRUE or

FALSE) input for the selected logic rule. See 13-01 Start Event ([0] - [61]) and 13-02 Stop Event ([70] - [75]) for further description.

[1] True [2] Running [3] In range [4] On reference [5] Torque limit [6] Current limit [7] Out of current range

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13-40 Logic Rule Boolean 1

Array [6]

Option: Function:

[8] Below I low [9] Above I high [10] Out of speed range [11] Below speed low [12] Above speed high [13] Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-40 Logic Rule Boolean 1

Array [6]

Option: Function:

[76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning

[91] ATEX ETR cur. alarm

[92] ATEX ETR freq. warning

[93] ATEX ETR freq. alarm

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

Selectable if 1-90 Motor Thermal Protection is set to [20] or [21]. If the alarm 164 ATEX ETR cur.lim.alarm is active, the output will be 1.

Selectable if1-90 Motor Thermal Protection is set to [20] or [21]. If the alarm 166 ATEX ETR freq.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 163 ATEX ETR cur.lim.warning is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the warning 165 ATEX ETR freq.lim.warning is active, the output will be 1.

13-41 Logic Rule Operator 1

Array [6]

Option: Function:

Select the first logical operator to use on the Boolean inputs from 13-40 Logic Rule Boolean 1 and 13-42 Logic Rule Boolean 2. [13-**] signifies the boolean input of parameter group 13-** Smart Logic Control.

13-41 Logic Rule Operator 1

Array [6]

Option: Function:

[0] * DISABLED

[1] AND Evaluates the expression [13-40] AND

[2] OR Evaluates the expression [13-40] OR [13-42].

[3] AND NOT Evaluates the expression [13-40] AND NOT

[4] OR NOT Evaluates the expression [13-40] OR NOT

[5] NOT AND Evaluates the expression NOT [13-40] AND

[6] NOT OR Evaluates the expression NOT [13-40] OR

[7] NOT AND NOT Evaluates the expression NOT [13-40] AND

[8] NOT OR NOT Evaluates the expression NOT [13-40] OR

Ignores 13-42 Logic Rule Boolean 2,

13-43 Logic Rule Operator 2, and 13-44 Logic Rule Boolean 3.

[13-42].

NOT [13-42].

13-42 Logic Rule Boolean 2

Array [6]

Option: Function:

[0] * False Select the second boolean (TRUE

or FALSE) input for the selected logic rule. See 13-01 Start Event ([0] - [61]) and 13-02 Stop Event ([70] - [75]) for further description.

[1] True [2] Running [3] In range [4] On reference [5] Torque limit [6] Current limit [7] Out of current range [8] Below I low [9] Above I high [10] Out of speed range [11] Below speed low [12] Above speed high [13] Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock)

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-42 Logic Rule Boolean 2

Array [6]

Option: Function:

[22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm

13-42 Logic Rule Boolean 2

Array [6]

Option: Function:

164 ATEX ETR cur.lim.alarm is active, the output will be 1.

[91] ATEX ETR cur. alarm

[92] ATEX ETR freq. warning

[93] ATEX ETR freq. alarm

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 166 ATEX ETR freq.lim.alarm is active, the output will be 1.

Selectable if1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 163 ATEX ETR cur.lim.warning is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the warning 165 ATEX ETR freq.lim.warning is active, the output will be 1.

92 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-43 Logic Rule Operator 2

Array [6]

Option: Function:

Select the second logical operator to be used on the boolean input calculated in

13-40 Logic Rule Boolean 1, 13-41 Logic Rule Operator 1, and 13-42 Logic Rule Boolean 2,

and the boolean input coming from 13-42 Logic Rule Boolean 2. [13-44] signifies the boolean input of 13-44 Logic Rule Boolean 3. [13-40/13-42] signifies the boolean input calculated in 13-40 Logic Rule Boolean 1,

13-41 Logic Rule Operator 1, and 13-42 Logic Rule Boolean 2. [0] DISABLED (factory

setting). select this option to ignore 13-44 Logic Rule Boolean 3.

[0] * DISABLED [1] AND [2] OR [3] AND NOT [4] OR NOT [5] NOT AND [6] NOT OR [7] NOT AND NOT [8] NOT OR NOT

13-44 Logic Rule Boolean 3

Array [6]

Option: Function:

[0] * False Select the third boolean (TRUE or

FALSE) input for the selected logic rule. See 13-01 Start Event ([0] [61]) and 13-02 Stop Event ([70] [75]) for further description.

13-44 Logic Rule Boolean 3

Array [6]

Option: Function:

[20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1 [80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-44 Logic Rule Boolean 3

Array [6]

Option: Function:

or [21] Advanced ETR. If the alarm 164 ATEX ETR cur.lim.alarm is active, the output will be 1.

[91] ATEX ETR cur. alarm

[92] ATEX ETR freq. warning

[93] ATEX ETR freq. alarm

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 166 ATEX ETR freq.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 163 ATEX ETR cur.lim.warning is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR]. If the warning 165 ATEX ETR freq.lim.warning is active, the output will be 1.

6.10.7 13-5* States

13-51 SL Controller Event

Array [20]

Option: Function:

[0] * False Select the boolean input (TRUE or

FALSE) to define the Smart Logic Controller event. See 13-01 Start

Event ([0] - [61]) and 13-02 Stop Event ([70] - [74]) for further

description.

[1] True [2] Running [3] In range [4] On reference [5] Torque limit [6] Current limit [7] Out of current range [8] Below I low [9] Above I high [10] Out of speed range [11] Below speed low

13-51 SL Controller Event

Array [20]

Option: Function:

[12] Above speed high [13] Out of feedb. range [14] Below feedb. low [15] Above feedb. high [16] Thermal warning [17] Mains out of range [18] Reversing [19] Warning [20] Alarm (trip) [21] Alarm (trip lock) [22] Comparator 0 [23] Comparator 1 [24] Comparator 2 [25] Comparator 3 [26] Logic rule 0 [27] Logic rule 1 [28] Logic rule 2 [29] Logic rule 3 [30] SL Time-out 0 [31] SL Time-out 1 [32] SL Time-out 2 [33] Digital input DI18 [34] Digital input DI19 [35] Digital input DI27 [36] Digital input DI29 [37] Digital input DI32 [38] Digital input DI33 [39] Start command [40] Drive stopped [41] Reset Trip [42] Auto-reset Trip [43] Ok key [44] Reset key [45] Left key [46] Right key [47] Up key [48] Down key [50] Comparator 4 [51] Comparator 5 [60] Logic rule 4 [61] Logic rule 5 [70] SL Time-out 3 [71] SL Time-out 4 [72] SL Time-out 5 [73] SL Time-out 6 [74] SL Time-out 7 [75] Start command given [76] Digital input x30/2 [77] Digital input x30/3 [78] Digital input x30/4 [79] Digital input x46/1

94 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-51 SL Controller Event

Array [20]

Option: Function:

[80] Digital input x46/3 [81] Digital input x46/5 [82] Digital input x46/7 [83] Digital input x46/9 [84] Digital input x46/11 [85] Digital input x46/13 [90] ATEX ETR cur. warning

[91] ATEX ETR cur. alarm

[92] ATEX ETR freq. warning

[93] ATEX ETR freq. alarm

[94] RS Flipflop 0 [95] RS Flipflop 1 [96] RS Flipflop 2 [97] RS Flipflop 3 [98] RS Flipflop 4 [99] RS Flipflop 5 [100] RS Flipflop 6 [101] RS Flipflop 7

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 164 ATEX ETR cur.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR]. If the alarm 166 ATEX ETR freq.lim.alarm is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the alarm 163 ATEX ETR cur.lim.warning is active, the output will be 1.

Selectable if 1-90 Motor Thermal Protection is set to [20] ATEX ETR or [21] Advanced ETR. If the warning 165 ATEX ETR freq.lim.warning is active, the output will be 1.

13-52 SL Controller Action

Array [20]

Option: Function:

[0] * DISABLED Select the action corresponding to the

SLC event. Actions are executed when the corresponding event (defined in 13-51 SL Controller Event) is evaluated as true. The following actions are available for selection:

[0] *DISABLED

[1] No action [2] Select set-up 1

Changes the active set-up (0-10 Active Set- up) to ‘1’.

13-52 SL Controller Action

Array [20]

Option: Function:

If the set-up is changed, it will merge with other set-up commands coming from either the digital inputs or via a fieldbus.

[3] Select set-up 2

[4] Select set-up 3

[5] Select set-up 4

[10] Select preset ref0Selects preset reference 0.

[11] Select preset ref1Selects preset reference 1.

[12] Select preset ref2Selects preset reference 2.

[13] Select preset ref3Selects preset reference 3.

[14] Select preset ref4Selects preset reference 4.

[15] Select preset ref5Selects preset reference 5.

Changes the active set-up 0-10 Active Set- up) to ‘2’. If the set-up is changed, it will merge with other set-up commands coming from either the digital inputs or via a fieldbus.

Changes the active set-up (0-10 Active Set- up) to ‘3’. If the set-up is changed, it will merge with other set-up commands coming from either the digital inputs or via a fieldbus.

Changes the active set-up (0-10 Active Set- up) to ‘4’. If the set-up is changed, it will merge with other set-up commands coming from either the digital inputs or via a fieldbus.

If the active preset reference is changed, it will merge with other preset reference commands coming from either the digital inputs or via a fieldbus.

If the active preset reference is changed, it will merge with other preset reference

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

13-52 SL Controller Action

Array [20]

Option: Function:

commands coming from either the digital inputs or via a fieldbus.

[16] Select preset ref6Selects preset reference 6.

If the active preset reference is changed, it will merge with other preset reference commands coming from either the digital inputs or via a fieldbus.

[17] Select preset ref7Selects preset reference 7.

If the active preset reference is changed, it will merge with other preset reference commands coming from either the digital inputs or via a fieldbus.

[18] Select ramp 1 Selects ramp 1.

[19] Select ramp 2 Selects ramp 2.

[20] Select ramp 3 Selects ramp 3.

[21] Select ramp 4 Selects ramp 4.

[22] Run Issues a start command to the frequency

converter.

[23] Run reverse Issues a start reverse command to the

frequency converter.

[24] Stop Issues a stop command to the frequency

converter.

[25] Qstop Issues a quick stop command to the

frequency converter.

[26] Dcstop Issues a DC stop command to the

frequency converter.

[27] Coast The frequency converter coasts

immediately. All stop commands including the coast command stop the SLC.

[28] Freeze output Freezes the output frequency of the

frequency converter.

[29] Start timer 0

[30] Start timer 1

[31] Start timer 2

[32] Set digital out A

low

[33] Set digital out B

low

[34] Set digital out C

low

[35] Set digital out

D low

Starts timer 0, see 13-20 SL Controller Timer for further description.

Starts timer 1, see 13-20 SL Controller Timer for further description.

Starts timer 2, see 13-20 SL Controller Timer for further description.

Any output with SL output A will be low.

Any output with SL output B will be low.

Any output with SL output Cwill be low.

Any output with SL output D will be low.

13-52 SL Controller Action

Array [20]

Option: Function:

[36] Set digital out E

low

[37] Set digital out F

low

[38] Set digital out A

high

[39] Set digital out B

high

[40] Set digital out C

high

[41] Set digital out

D high

[42] Set digital out E

high

[43] Set digital out F

high

[60] Reset Counter A Resets Counter A to zero.

[61] Reset Counter B Resets Counter B to zero.

[70] Start timer 3

[71] Start timer 4

[72] Start timer 5

[73] Start timer 6

[74] Start timer 7

Any output with SL output E will be low.

Any output with SL output F will be low.

Any output with SL output A will be high.

Any output with SL output B will be high.

Any output with SL output C will be high.

Any output with SL output D will be high.

Any output with SL output E will be high.

Any output with SL output Fwill be high.

Start Timer 3, see 13-20 SL Controller Timer for further description.

Start Timer 4, see 13-20 SL Controller Timer for further description.

Start Timer 5, see 13-20 SL Controller Timer for further description.

Start Timer 6, see 13-20 SL Controller Timer for further description.

Start Timer 7, see p13-20 SL Controller Timer for further description.

96 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.11 Parameters: 14-** Special Functions

6.11.1 14-** Special Functions

Parameter group for configuring special frequency converter functions.

6.11.2 14-0* Inverter Switching

Parameters for configuring the inverter switching.

14-03 Overmodulation

Option: Function:

[0] Off Connect the overmodulation function for the output

voltage, to obtain an output voltage up to 15% greater than the mains voltage.

[1] * On No overmodulation of the output voltage, in order to

avoid torque ripple on the motor shaft. This feature may be useful for applications such as grinding machines.

6.11.3 14-1* Mains On/Off

Parameters for configuring mains failure monitoring and handling.

14-12 Function at Mains Imbalance

Option: Function:

Operation under severe main imbalance conditions reduces the lifetime of the motor. Conditions are considered severe if the motor is

operated continuously near nominal load. [0] Trip Trips the frequency converter [1] * Warning Issues a warning [2] Disabled No action

6.11.4 14-2* Trip Reset

Parameters for configuring auto reset handling, special trip handling and control card self test or initialisation.

14-20 Reset Mode

Option: Function:

Select the reset function after tripping. Once reset, the frequency converter can be restarted.

[0] Manual reset Performs a reset via [Reset] or via the

digital inputs.

[10] * Automatic reset

x 10

Performs between one and twenty automatic resets after tripping.

NOTE

If the specified number of AUTOMATIC RESETs is reached within 10 minutes, the frequency converter enters [0] Manual reset mode. After the Manual reset is performed, the setting of 14-20 Reset Mode reverts to the original selection. If the number of AUTOMATIC RESETs is not reached within 10 minutes, or when a Manual reset is performed, the internal AUTOMATIC RESET counter returns to zero.

CAUTION

The motor may start without warning.

Application Tip: Since the default setting of the reset mode in the compressor drive is set up to auto-reset after 30 s this should be taken in consideration if a relay output is set to call for a service technician in case of an alarm. By setting 5-40 Function Relay to [9] Alarm and 5-41 On Delay, Relay to 40 s the relay will only activate at either a trip lock alarm or an alarm, which could not be auto-reset. Only the relay output can be used for this; the digital outputs do not have the On Delay feature.

14-21 Automatic Restart Time

Range: Function:

30 s* [0 - 600 s] Enter the time interval from trip to start of

the automatic reset function. This parameter is active when 14-20 Reset Mode is set to Automatic reset.

14-22 Operation Mode

Option: Function:

Use this parameter to specify normal operation; to perform tests; or to initialise all parameters except 15-03 Power Up's, 15-04 Over Temp's and 15-05 Over Volt's. This function is active only when the power is cycled to the frequency converter.

[0]*Normal

operation

[1] Control

card test

Normal operation of the frequency converter with the motor in the selected application. Tests the analog and digital inputs and outputs and the +10 V control voltage. The test requires a test connector with internal connections.

Use the following procedure for the control card test:

1. Select Control card test [1].

2. Disconnect the mains supply and wait for the light in the display to go out.

3. Set switches S201 (A53) and S202 (A54) = ON./I.

4. Insert the test plug (see below).

5. Connect to mains supply.

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

14-22 Operation Mode

Option: Function:

6. Carry out various tests.

7. The results are displayed on the LCP

If the test is OK: LCP read-out: Control Card OK. Disconnect the mains supply and remove the test plug. The green LED on the Control Card will light up. If the test fails: LCP read-out: Control Card I/O failure. Replace the frequency converter or Control card. The red LED on the Control Card is turned on. Test plugs (connect the following terminals to each other): 18 - 27 - 32; 19 - 29 - 33; 42 53 - 54 1.

Illustration 6.18

and the frequency converter moves into an infinite loop.

14-20 Reset Mode is automatically set to Normal operation. Carry out a power cycle to start up in Normal operation after a control card test.

14-52 Fan Control

Option: Function:

Select the minimum speed of the internal fan.

[0] * Auto Runs the fan only when the internal temperature

of the frequency converter is in the range 35 °C . approx. 55 °C. The fan will run at low speed at

35 °C, and at full speed at approx. 55 °C. [1] On 50% [2] On 75% [3] On 100%

14-53 Fan Monitor

Option: Function:

Select which reaction the frequency converter should take in case a fan fault is detected.

[0] Disabled [1] * Warning [2] Trip

14-60 Function at Over Temperature

Option: Function:

If either heatsink or control card temperature exceeds a factory-programmed temperature limit, a warning will be activated. If the temperature increases further, select whether the frequency converter should trip (trip locked) or derate the output current.

[0] Trip The frequency converter will trip (trip locked) and

generate an alarm. Power must be cycled to reset the alarm, but will not allow restart of the motor until the heat sink temperature has dropped below the alarm limit.

[1] * Derate If the critical temperature is exceeded the output

current will be reduced until the allowable temperature has been reached.

14-61 Function at Inverter Overload

Option: Function:

Is used in case of steady overload beyond the thermal limits (110% for 60 sec.).

[0] Trip The frequency converter trips and provides an

Illustration 6.19

[1] * Derate Reduce pump speed to decrease the load on the

[2] Initiali-

sation

98 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Resets all parameter values to default settings, except for 15-03 Power Up's, 15-04 Over Temp's and 15-05 Over Volt's. The frequency converter will reset during the next power-up. 14-20 Reset Mode will also revert to the default setting [0] Normal operation.

14-62 Inv. Overload Derate Current

Range: Function:

95 %* [50 - 100%]Defines the desired current level (in % of

alarm.

power section and allowing this to cool down.

rated output current for the frequency converter) when running with reduced pump speed after load on the frequency converter has exceeded the allowable limit (110% for 60 s).

Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

14-90 Fault Level

Option: Function:

[0] * Off Use this parameter to customize Fault levels. Use

[0] Off with caution as it will ignore all Warnings & Alarms for the chosen source.

Failure Alarm Off Warning Trip Trip Lock Over Current 13 D X Motor phase missing 30 D X Motor phase missing 31 D X Motor phase missing 32 D X

Table 6.11 Table for Selection of Choice of Action when Selected Alarm Appears

D = Default setting. x = possible selection.

1) Only high power drives In FC small and medium A69 is only a warning

14-90 Fault Level

Option: Function:

[1] Warning [2] Trip [3] Trip Lock

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Parameter Descriptions

Operating Instructions VLT® CDS302 and CDS303

6.12 Parameters: 15-** Drive Information

6.12.1 15-** Drive Information

Parameter group containing compressor drive information such as operating data, hardware configuration and software versions.

6.12.2 15-0* Operating data

Parameter group containing operating data, e.g. counters.

15-00 Operating Hours

Range: Function:

0 h* [0 - 2147483647 h] View how many hours the frequency

converter has run. The value is saved when the frequency converter is turned off.

15-01 Running Hours

Range: Function:

0 h* [0 - 2147483647h]View how many hours the motor has

run. Reset the counter in 15-07 Reset Running Hours Counter. The value is saved when the frequency converter is turned off.

NOTE

The reset is carried out by pressing [OK].

15-07 Reset Running Hours Counter

Option: Function:

[0] * Do not reset [1] Reset counter

15-08 Number of Starts

Range: Function:

[0 - 4294967295] View the total number of starts performed

15-09 Number of Auto Resets

Range: Function:

[0 - 4294967295] View the total number of auto resets

Select [1] Reset and press [OK] to reset the Running Hours counter to zero (see 15-01 Running Hours). This parameter cannot be selected via the serial port, RS-485. Select [0] Do not reset if no reset of the Running Hours counter is desired.

since power-on. The value is cleared to zero at power-up.

performed since power-on. The counter is cleared to zero at power-up.

15-02 kWh Counter

Range: Function:

0 kWh* [0 - 2147483647

kWh]

Registering the power consumption of the motor as a mean value over one hour. Reset the counter in 15-06 Reset kWh Counter.

15-03 Power Up's

Range: Function:

0 * [0 - 2147483647 ] View the number of times the frequency

converter has been powered up.

15-04 Over Temp's

Range: Function:

0 * [0 - 65535 ] View the number of frequency converter

temperature faults which have occurred.

15-05 Over Volt's

Range: Function:

0 * [0 - 65535 ] View the number of frequency converter

overvoltages which have occurred.

15-06 Reset kWh Counter

Option: Function:

[0] * Do not reset Nno reset of the kWh counter is desired.

[1] Reset counter Press [OK] to reset the kWh counter to zero

(see 15-02 kWh Counter).

100 MG34M302 - VLT® is a registered Danfoss trademark/Commercial Compressor

Danfoss VLT CDS302, VLT Series, VLT CDS303 Operating Instructions Manual

Specifications and Main Features

Frequently Asked Questions

User Manual