Danfoss VLT FC 100, VLT FC 300 Series, VLT FC 200 Series Series Manual

FC 100/ 200/ 300 DeviceNet Contents
Contents
1. Introduction
Safety Note 6
Assumptions 9
Hardware 9
Background Knowledge 9
Abbreviations 11
2. How to Install
Cabling 13
Installation of Option in the Frequency 17
3. How to Configure the System
Configure the Master 21
Configure the Frequency Converter 21
DeviceNet Process Control Modes 23
I/O Assembly Instances 25
Process Data 25
5
13
19
23
ODVA Control Profile 27
Danfoss FC Control Profile 32
5. How to Access the Parameters
Explicit Messages 39
Object Classes 39
DeviceNet Object Classes 39
Danfoss Object Classes 50
Reading/Writing to Parameters with Index 51
6. Parameters
Parameter List 66
Data Types Supported 67
7. Application Examples
Example: Working with Instance 101/151 Process 69
8. Troubleshooting
Troubleshooting 73
39
53
69
73
Index
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Contents FC 100/ 200/ 300 DeviceNet
Contents | Illustration
Illustration 1.1: 9
Illustration 2.1: 13
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Contents | Table
Table 8.1: LED: Module Status (MS) 73
Table 8.2: LED: Network Status (NS) 74
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1. Introduction FC 100/ 200/ 300 DeviceNet
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1. Introduction
1.1.1. Copyright, Limitation of Liability and Revision Rights
This publication contains information proprietary to Danfoss A/S. By accepting and using this manual the user agrees that the information contained herein will be used solely for operating equipment from Danfoss A/S or equipment from other vendors provided that such equipment is intended for communication with Danfoss equipment over a PROFIBUS serial communication link. This publication is protected under the Copyright laws of Denmark and most other countries.
Danfoss A/S does not warrant that a software program produced according to the guidelines pro­vided in this manual will function properly in every physical, hardware or software environment.
Although Danfoss A/S has tested and reviewed the documentation within this manual, Danfoss A/ S makes no warranty or representation, either express or implied, with respect to this documen­tation, including its quality, performance, or fitness for a particular purpose.
In no event shall Danfoss A/S be liable for direct, indirect, special, incidental, or consequential damages arising out of the use, or the inability to use information contained in this manual, even if advised of the possibility of such damages. In particular, Danfoss A/S is not responsible for any costs including but not limited to those incurred as a result of lost profits or revenue, loss or damage of equipment, loss of computer programs, loss of data, the costs to substitute these, or any claims by third parties.
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Danfoss A/S reserves the right to revise this publication at any time and to make changes in its contents without prior notice or any obligation to notify previous users of such revisions or changes.
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1. Introduction FC 100/ 200/ 300 DeviceNet
1.2.1. Safety Note
The voltage of the frequency converter is dangerous whenever connected to mains. Incorrect installation of the motor, frequency converter or fieldbus may cause dam­age to the equipment, serious personal injury or death. Consequently, the instruc­tions in this manual, as well as national and local rules and safety regulations, must be complied with.
1.2.2. Safety Regulations
1. The frequency converter must be disconnected from mains if repair work is to be carried out. Check that the mains supply has been disconnected and that the necessary time has passed before removing motor and mains plugs.
2. The [STOP/RESET] key on the control panel of the frequency converter does not dis­connect the equipment from mains and is thus not to be used as a safety switch. 3. Correct protective earthing of the equipment must be established, the user must be pro­tected against supply voltage, and the motor must be protected against overload in accordance with applicable national and local regulations.
3. Correct protective earthing of the equipment must be established, the user must be pro­tected against supply voltage, and the motor must be protected against overload in accordance with applicable national and local regulations.
4. The earth leakage currents are higher than 3.5 mA.
5. Protection against motor overload is not included in the factory setting. If this function is desired, set par. 1-90
ETR warning
motor frequency. For the North American market: The ETR functions provide class 20 motor overload protection in accordance with NEC.
6. Do not remove the plugs for the motor and mains supply while the frequency converter is connected to mains. Check that the mains supply has been disconnected and that the necessary time has passed before removing motor and mains plugs.
7. Please note that the frequency converter has more voltage inputs than L1, L2 and L3, when load sharing (linking of DC intermediate circuit) and external 24 V DC have been installed. Check that all voltage inputs have been disconnected and that the necessary time has passed before commencing repair work.
. Note: The function is initialised at 1.16 x rated motor current and rated
Motor Thermal Protection
to data value
ETR trip
or data value
1.2.3. Warning Against Unintended Start
1. The motor can be brought to a stop by means of digital commands, bus commands, references or a local stop, while the frequency converter is connected to mains. If per­sonal safety considerations make it necessary to ensure that no unintended start occurs, these stop functions are not sufficient.
2. While parameters are being changed, the motor may start. Consequently, the stop key [STOP/RESET] must always be activated; following which data can be modified.
3. A motor that has been stopped may start if faults occur in the electronics of the frequency converter, or if a temporary overload or a fault in the supply mains or the motor con­nection ceases.
1.2.4. Warning
Touching the electrical parts may be fatal - even after the equipment has been dis­connected from mains.
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FC 100/ 200/ 300 DeviceNet 1. Introduction
Also make sure that other voltage inputs have been disconnected, such as external 24 V DC, load sharing (linkage of DC intermediate circuit), as well as the motor connection for kinetic back up.
Please refer to the relevant Operating Instructions for further safety guidelines.
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1. Introduction FC 100/ 200/ 300 DeviceNet
1.3. About this Manual
First time users can obtain the most essential information for quick installation and set-up in these chapters:
Introduction How to Install How to Configure the System Application Examples
For more detailed information including the full range of set-up options and diagnosis tools please refer to the chapters:
How to Control the Frequency Converter How to Access the Parameters Parameters Troubleshooting
1.4. Technical Overview
DeviceNet is a low-level network that standardizes communications between industrial devices (sensors, limit switches, motor controls) and high-level devices (controllers). DeviceNet follows the Open Systems Interconnection (OSI) model and is based on CAN technology for Media Access Control and Physical Signalling.
DeviceNet systems can be configured to operate in a master-slave or a distributed control archi­tecture using peer-to-peer communication. Up to 63 nodes in a multi-drop network topology are supported, and communication options can be powered directly from the bus, using the same cable for communication. Nodes can be removed or inserted without powering down the network.
Each node on the network has its own unique Media Access Control IDentifier (MAC ID) to dis­tinguish it on the network. The access control is based on the CSMA/CA (Carrier Sense Multiple Access / Collision Avoidance) principle, meaning that all nodes may have access to the network at the same time. If two nodes attempt to get control of the network bus simultaneously, the CAN protocol resolves the issue by arbitration. In this way collisions on the network are avoided.
DeviceNet defines device profiles for devices belonging to specific classes. For other devices, a custom class must be defined in order to make it DeviceNet compatible. This further enhances the interchangeability and interoperability of the network.
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Illustration 1.1: Topology
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1.5. Assumptions
These operating instructions assume that you are using a Danfoss FC 100, 200 or 300 frequency converter with DeviceNet. It is also assumed that as master you are using a PLC or PC equipped with a serial communication card supporting all the DeviceNet communication services required by your application. Furthermore, it is assumed that all requirements stipulated in the DeviceNet standard as well as those set up in the AC Drive Profile and those pertaining to the VLT frequency converter are strictly observed as well as all limitations therein fully respected.
1.6. Hardware
These operating instructions relate to the DeviceNet option type no. 130B1102 and 130B1201.
1.7. Background Knowledge
The Danfoss DeviceNet is designed to communicate with any master abiding by the DeviceNet standard. It is therefore assumed that you have full knowledge of the PC or PLC you intend to use as a master in your system. Any questions pertaining to hardware or software produced by any other manufacturer is beyond the scope of these operating instructions and is of no concern to Danfoss. If you have questions about how to set up master - master communication or commu­nication to a non-Danfoss slave, please consult the appropriate documentation.
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1. Introduction FC 100/ 200/ 300 DeviceNet
1.8. Available Literature
The following literature is available for the FC 100, 200 and 300 series.
Title
VLT HVAC Drive FC 100 Operating Instructions MG.11.AX.YY VLT HVAC Drive FC 100 Design Guide MG.11.BX.YY VLT HVAC Drive FC 100 Programming Guide MG.11.CX.YY VLT AQUA Drive FC 200 Operating Instructions MG.20.NX.YY VLT AQUA Drive FC 200 Design Guide MG.20.MX.YY VLT AQUA Drive FC 200 Programming Guide MG.20.OX.YY VLT AutomationDrive FC 300 Operating Instructions MG.33.AX.YY VLT AutomationDrive FC 300 Design Guide MG.33.BX.YY VLT AutomationDrive FC 300 Programming Guide MG.33.MX.YY VLT AutomationDrive FC 100, 200 and 300 PROFIBUS Operating Instructions VLT AutomationDrive FC 100, 200 and 300 DeviceNet Operating In­structions VLT AutomationDrive FC 300 MCT 10 Software Dialogue MG.33.EX.YY PROFIBUS DP V1 Design Guide MG.90.EX.YY
X = Revision number Y = Language code Please also refer to mation.
www.danfoss.com/drives
for frequently asked questions and additional infor-
Literature no.
MG.33.CX.YY
MG.33.DX.YY
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FC 100/ 200/ 300 DeviceNet 1. Introduction
1.9. Abbreviations
ACK ACKnowledge BOC Bus Off Counter BOOL BOOLean expression CAN Controller Area Network CSMA/CA Carrier Sense Multiple Access/Collision Avoidance COS Change of State CTW Control Word EDS Electronic Data Sheet EMC Electromagnetic Compatibility ETR Electronic Thermal Relay FIFO First In First Out HF High Frequency HPFB High Performance Field Bus I/O Input/Output ISO International Standards Organization LCD Liquid Crystal Display LCP Local Control Panel LED Light Emitting Diode LSB Least Significant Bit MAC ID Media Access Control IDentifier MAV Main Actual Value MRV Main Reference Value MSB Most Significant Bit N/A Not Applicable ODVA Open DeviceNet Vendor Association OSI Open Systems Interconnection PC Personal Computer PCD Process Data PIW Peripheral Input Word PLC Programmable Logic Control PNU Parameter Number PPO Parameter-Process Data Object QW Peripheral Output Word SINT Signed Integer STW Status Word VSD Variable Speed Drive UDINT Unsigned Double Integer UNIT Unsigned Integer USINT Unsigned Short Integer
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2. How to Install FC 100/ 200/ 300 DeviceNet
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2. How to Install
2.1. Cabling
2.1.1. Cable Lengths
Baud rate Max total cable
length
125k baud 500 meters (1640 ft.) 6 meters (20 ft.) for one drop 156 meters (512 ft.) 250k baud 250 meters (820 ft.) 78 meters (256 ft.) 500k baud 100 meters (328 ft.) 39 meters (128 ft.)
2.1.2. Cable Specifications
The cable used should be according to ODVA specifications.
Be aware that the ODVA “Flat Cable” is an unscreened cable type, and is not suited for use with frequency converters.
2
Drop length Maximum per drop Cumulative maxi-
mum
Illustration 2.1: ODVA “Thin Cable” cross sec­tion
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2. How to Install FC 100/ 200/ 300 DeviceNet
2.1.3. EMC Precautions
The following EMC precautions are recommended in order to achieve interference-free operation of the DeviceNet network. Additional EMC information is available in the relevant FC 100, 200 or 300 Operating Instructions and Design Guides.
NB!
Relevant national and local regulations, for example regarding protective earth con­nection, must be observed.
The DeviceNet communication cable must be kept away from motor and brake resistor cables to avoid coupling of high frequency noise from one cable to the other. Normally a distance of 200 mm (8 inches) is sufficient, but it is generally recommended to keep the greatest possible distance between the cables, especially where cables run in parallel over long distances. If the DeviceNet cable has to cross a motor and brake resistor cable they must cross each other at an angle of 90 degrees.
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2.1.4. Connection of the Cable Screen
Danfoss recommends connection of the screen of the DeviceNet cable to ground at both ends of the cable at every DeviceNet station (see Danfoss recommendation for further details). Low im­pedance ground connection of the screen is very important, also at high frequencies. Achieve this by connecting the surface of the screen to ground, for example by means of a cable clamp or a conductive cable gland. The frequency converter package includes various clamps and brackets to enable a proper ground connection of the DeviceNet cable screen. The screen connection re­quired for CE and EMC compliance is shown in the following drawing.
2.1.5. ODVA Recommendation
The Screen must be connected to ground at only one point on the network.
NB!
Please note that this recommen­dation conflicts with the correct EMC installation.
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2.1.6. Earth Connection
It is important that all stations connected to the DeviceNet network are connected to the same earth potential. The earth connection must have a low HF (high frequency) impe­dance. This can be achieved by connecting a large surface area of the cabinet to ground, for example by mounting the frequency con­verter on a conductive rear plate.
NB!
Particularly when there are long distances between the stations in a DeviceNet network, it may be necessary to use additional potential equalizing cables, con­necting the individual stations to the same earth potential.
Pin no. Termi-
nal
1 V- Black GND 2 CAN_L Blue CAN
3 Drain (bare) Screen 4 CAN_H White CAN
5 V+ Red +24 V
Colour Name
LOW
HIGH
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2. How to Install FC 100/ 200/ 300 DeviceNet
2.1.7. DeviceNet Connection
It is essential to terminate the bus line prop­erly. A mismatch of impedance may result in reflections on the line that will corrupt data transmission. The DeviceNet control card is provided with a plug-cable connector. When a plug connector is used as a splice between two trunk lines, the removal of devices will not sever the network. If required, strain relief must be provided by the developer. In current installations of this type of connector, the strain relief is attached to the product.
NB!
Install wires only when the net­work is inactive. This will pre­vent problems such as shorting the network supply or disrupting communications.
2.1.8. DeviceNet Termination
Termination resistors should be installed at each end of the bus line. The resistors must be mounted between terminal 2 (CAN_L) and terminal 4 (CAN_H) and should have the fol­lowing specification: 121 Ohm, 1 % Metal film, 1/4 Watt
2.1.9. Drop Cable
An alternative to splicing two trunk lines in the connector on the control card is to use a De­viceNet connection box or a T-connector. For this kind of installation a drop cable is availa­ble as an option.
Drop cable order number: 195N3113
The connector is a micro-style, male, with ro­tating coupling nut, and fits into a Micro De­vice port.
2.1.10. Network Power Consumption
The DeviceNet option is powered via the internal power supply in the drive. The network voltage (+24 V) is detected only to determine if the bus is energized or not, thus the current draw from the network is negligible.
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2.2. Installation of Option in the Frequency
To install a fieldbus option in the frequency converter you will need:
- The fieldbus option
- Fieldbus option adaptor frame for the frequency converter. This frame is deeper than the
standard frame, to allow space for the fieldbus option beneath.
- Cable holders
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Instructions:
- Remove the LCD panel from the frequency converter.
- Remove the frame located beneath and discard.
- Push the option into place. Two positions are possible, with cable terminal facing either
up or down. The cable up position is often most suitable when several frequency con­verters are installed side by side in a rack, as this position permits shorter cable lengths.
- Push the fieldbus option adaptor frame for the frequency converter into place.
- Replace the LCD panel.
- Attach cable.
- Fasten the cable in place using cable holders. The top surface of the frequency converter
has pre-drilled threaded holes for attaching the cable holders to the unit.
- If an option is installed after initial power-up the frequency converter will be tripped and
display: Alarm 67
Option Change
.
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3. How to Configure the System FC 100/ 200/ 300 DeviceNet
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3. How to Configure the System
3.1. Configure the DeviceNet Network
All DeviceNet stations that are connected to the same bus network must have a unique station address. The DeviceNet address of the frequency converter can be selected via:
- Hardware switches (default 63)
- Parameter 10-02
63)
- Class code 0X03, Instance 1, Attrib-
ute 1
MAC ID
(default
3.1.1. Setting the DeviceNet Address using the Hardware Switches
Setting the DeviceNet Address using the Hardware Switches: Using the hardware switches it is possible to select an address range from 0-63 (factory setting 63) according to the table below:
Switch Address value - - +32 +16 +8 +4 +2 +1 Ex. address 5 - - OFF OFF OFF ON OFF ON Ex. address 20 - - OFF ON OFF ON OFF OFF Ex. address 35 - - ON OFF OFF OFF ON ON
8 7 6 5 4 3 2 1
3
NB!
Switch off the power supply before changing the hardware switches.
The address change will come into effect at the next power-up, and can be read in par. 10-02
MAC ID
.
3.1.2. Setting the DeviceNet Address via Par. 10-02
The address can be set via par. 10-02 setting). The address change will come into effect at the next power-up.
MAC ID
if the hardware switches are set to 63 (factory
MAC ID
3.1.3. Setting the DeviceNet Address with the Object Class Code 0x03, Attribute 1, Instance 1
The address can be set via the DeviceNet object class code 0x03 attribute 1 command if the hardware switch is set to 63 (factory setting). A new address becomes effective immediately after the class code 0x03, Instance 1, Attribute 1 command.
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3. How to Configure the System FC 100/ 200/ 300 DeviceNet
3.1.4. Baud Rate Setting
All DeviceNet stations connected to the same bus network must have the same Baud rate. The baud rate of the frequency converter can be selected via:
- Hardware switches
- Par. 10-01
- Object Class code 0x03, Instance 1, Attribute 2.
Baudrate Select
(default 125k Baud)
3.1.5. Setting the DeviceNet Baud Rate using the H ardware Switches
Using the hardware switches it is possible to select a baud rate of 125k baud (factory set­ting), 250k baud or 500 k baud according to the following table:
NB!
Switch off the power supply before changing the hardware switches.
The baud rate change will come into effect at the next power-up, and can be read in par. 10-01
Baudrate select
.
3.1.6. Setting the DeviceNet Baud Rate via Par. 10-01
lect
The baud rate can be set via par. 10-01 to ON (factory setting). The baud rate change will come into effect at the next power-up.
Baudrate select
Baud rate switch Par. 10-01 1 1 125 k Baud 0 0 250 k Baud 0 1 500 k Baud 1 0
8 7
Baudrate se-
if the hardware switches 1 and 2 are set
3.1.7. Setting the DeviceNet Baud Rate with the Object Class Code 0x03 Attribute 2
The baud rate can be set via the DeviceNet object class code 0x03 attribute 2 command, if the hardware switches 1 and 2 are set to ON (factory setting). A new baud rate becomes effective immediately after the class code 0x03 attribute 2 command.
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3.2. Configure the Master
3.2.1. EDS File
A large part area of the system configuration is the setting of application related parameters. EDS (Electronic Data Sheet) files simplify the setting up of most of the DeviceNet configurable param­eters. Danfoss provides a generic English EDS file covering all voltage and power sizes, for off­line configuration. The EDS file can be downloaded from http://www.danfoss.com/drives.
NB!
The EDS-file does not contain all parameters but a selected, limited number of pa­rameters with generic minimum, maximum and default values.
3.3. Configure the Frequency Converter
3.3.1. VLT Parameters
3
Pay particular attention to the following parameters when configuring the frequency converter with a DeviceNet interface. Please refer to the Parameters chapter for more details of each pa­rameter.
Par. 0-40
•Par. 8-10
Par. 8-50 to 8-56 (see section
Par. 8-03 to 8-05. The reaction in the event of a bus time out is set via these parameters
Par.. 10-01
Par. 10-02
3.3.2. LEDs
The DeviceNet control card contains two bi-colour (green/red) LEDs for each connector hook-up port, to indicate the state of the device and the network respectively. For details of the range of communications status indicated by the LEDs, please refer to the Troubleshooting chapter.
[Hand on] key on LCP
If the Hand button on the frequency converter is activated, control of the drive via the DeviceNet interface is disabled. After initial power-up the frequency converter will auto­matically detect whether a fieldbus option is installed in slot A, and set par. 8-02
Word Source
already commissioned drive, it will not change par. 8-02 but will enter Trip Mode, and the frequency converterwill display an error.
Choose between the Danfoss FC Profile and the ODVA profile. Select the desired Devi­ceNet instance in par. 10-10
trol commands with digital input command of the control card.
to [Option A]. If an option is added to, changed in or removed from an
Control Word Profile
Baud rate
MAC ID
. Default is 125 kbps.
. Default is 63.
.
(see section
Process Data Type Selection
Parameters
How to Control the Frequency Converter
). Selection of how to gate the DeviceNet con-
Control
.
).
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4. How to Control the Frequency Converter
4.1. DeviceNet Process Control Modes
This section describes two of three possible process control modes: Polling and Change of State (COS). The third FC control mode uses the acyclical mode Explicit Messaging via the Standard DeviceNet Control Supervisory object CLASS 29H. The Control Supervisory object is described within the
DeviceNet Object Classes
4.1.1. Polling
section,
How to Access the Parameters
chapter.
4
This is a classical Master-Slave connection and the standard DeviceNet operation mode. The master controls the data exchange by sending cyclical poll-requests to the connected slaves, and the slaves answers by sending a poll-re­sponse to the master. The master can control and monitor the frequency converter by poll­ing the DeviceNet or Danfoss objects (I/O In­stances).
4.1.2. Change of State, COS
This an event-controlled operation mode used to minimize network traffic. Messages are trans­mitted only if a defined state or value has changed. The condition for triggering a COS message is determined by the insertion of COS-filters (parameters 10-20 to 10-23), for each bit in the different PCD-words. The filter acts like a logical AND-function: If a bit in the filter is set to “1”, the COS-function triggers upon a change to the corresponding bit for the PCD-word.
POLLED I/O
Master slave
Slave master
CTW MRV
STW MAV
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4. How to Control the Frequency Converter FC 100/ 200/ 300 DeviceNet
The figure below shows the different PCDs and their corresponding filter parameters.
Par. 10-20 to 10-23 can be used to filter out undesired events for COS. If a filter bit is set to 0, the corresponding I/0 Instance bit will be unable to produce a COS message. By default, all bits in the COS filters are set to 0.
In order to signal that the connection has not been interrupted, or the device is not powered off, a Heartbeat Message is transmitted within a specified time interval (Heartbeat Interval). This in­terval is defined in Attribute Heartbeat Time of the connection object, Class Code 0x05.
To prevent the device from producing heavy network traffic if a value changes frequently, the Production Inhibit Time (an attribute of the connection object) is defined. This parameter defines the minimum time between two COS messages.
The Attribute Expected Package Rate defines the maximum time between two COS messages even when the value is unchanged. In the event of COS connection, the Explicit Package Rate is identical with the Heartbeat Interval mentioned above. This timer is used both as transmission trigger and inactivity watchdog, depending upon whether the connection is producer or consumer.
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4.2. I/O Assembly Instances
I/O Assembly Instances are a number of defined process control objects with defined content comprising control and status information. The figure below shows the I/O Assembly Instance options for controlling and monitoring the frequency converter.
4
4.3. Process Data
Process data comprises the control and status data in the I/O Assembly Instances.
The CTW, MRV and STW and MAV have defined formats and functions, depending upon the I/O Instance chosen. PCD1 and PCD2 are freely configurable for instance 101/151 via par. 10-11 and 10-12.
The VLT DeviceNet provides a flexible way for the user to customize the number of Process Data (I/O words) and the functionality of each word. To activate the user definable process data, select the I/O Instance 101/151 in par. 10-10 to four words in the input and output area. This selection uses the Danfoss-specific profile for the Control word and Status word as well for the Main Reference Value/Main Actual Value.
The first two words are fixed on the VLT DeviceNet, whereas the user can select the input and output, PCD 3 and PCD 4. The number of PCDs active in a system is fixed to 2 words.
NB!
Selection of Instance 101/151 under par. 10-10 is only possible if FC Profile has been selected in par. 8-10
To enable use of PCD data from the VLT DeviceNet, configure the contents of each single PCD word in par. 10-11 to par. 10-11 and 10-12 are effected immediately in the PCD data.
Process Data Config Write
Process Data Type Selection
Control Word Profile
and par. 10-12
.
. This will change the I/O size
Process Data Config Read
. Changes
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