Siemens MICROMASTER 420 Parameter List

MICROMASTER 420

Parameter List Issue04/02

User Documentation 6SE6400-5BA00-0BP0

Getting Started Guide

Is for quick commissioning with SDP and BOP.

Operating Instructions

Gives information about features of the MICROMASTER420, Installation, Commissioning, Control modes, System Parameter structure, Troubleshooting, Specifications and available options of the MICROMASTER420.

Parameter List

The Parameterlist containes the description of all Parameters structured in functional order and a detailed description. The Parameter list also includes a series of function plans.

Catalogues

In the catalogue you will find all needs to select a certain inverter, as well as filters chokes, operator panels or communications options.

Parameter List

MICROMASTER 420

Parameter List

User Documentation

Function Diagrams

Alarms and Warnings

alid fo

Converter Type Software Version

MICROMASTER 420 V1.0

Issue 04/02

MM420 Parameter List 04/02

Warning

Please refer to all Definitiones and Warnings contained in the Operating Instructions. You will find the Operating Instructions on the Docu CD delivered with your inverter. If the CD is lost, it can be ordered via your local Siemens department under the Order No. 6SE6400-5AB00-1AP0.

Further information can be obtained from Internet website:

http://www.siemens.de/micromaster

Approved Siemens Quality for Software and Training is to DIN ISO 9001, Reg. No. 2160-01

The reproduction, transmission or use of this document, or its contents is not permitted unless authorized in writing. Offenders will be liable for damages. All rights including rights created by patent grant or registration of a utility model or design are reserved.

MICROMASTER® is a registered trademark of Siemens

Other functions not described in this document may be available. However, this fact shall not constitute an obligation to supply such functions with a new control, or when servicing.

We have checked that the contents of this document correspond to the hardware and software described. There may be discrepancies nevertheless, and no guarantee can be given that they are completely identical. The information contained in this document is reviewed regularly and any necessary changes will be included in the next edition. We welcome suggestions for improvement.

Siemens handbooks are printed on chlorine-free paper that has been produced from managed sustainable forests. No solvents have been used in the printing or binding process.

Document subject to change without prior notice.

Order number: 6SE6400-5BA00-0BP0 Printed in the Federal of German

Siemens-Aktiengesellschaft.

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Parameters MICROMASTER 420

This Parameter List must only be used together with the Operating Instructions or the Reference Manual of the MICROMASTER 420. Please pay special attention to the Warnings, Cautions, Notices and Notes contained in these manuals.

Table of Contents

1 Parameters.....................................................................................................................7

1.1 Introduction to MICROMASTER 420 System Parameters ............................................ 7

1.2 Quick commissioning (P0010=1) ................................................................................... 9

1.3 Parameter Description.................................................................................................. 11

2 Function Diagrams ..................................................................................................... 111

3Faults and Alarms......................................................................................................135

3.1 MICROMASTER 420 fault messages ........................................................................ 135

3.2 MICROMASTER 420 alarm messages...................................................................... 137

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1 Parameters

1.1 Introduction to MICROMASTER 420 System Parameters

The layout of the parameter description is as follows.

1 Par number 2 Parameter name 9 Min:

[index] 3 CStat: 5 Datatype 7 Unit: 10 Def:

4 P-Group: 6 active: 8 Quick Comm: 11 Max:

13 Description:

1. Parameter number Indicates the relevant parameter number. The numbers used are 4-digit numbers in the range 0000 to 9999. Numbers prefixed with an “r” indicate that the parameter is a “read-only” parameter, which displays a particular value but cannot be changed directly by specifying a different value via this parameter number (in such cases, dashes “-“ are entered at the points “Unit”, “Min”, “Def” and “Max” in the header of the parameter description. All other parameters are prefixed with a “P”. The values of these parameters can be changed directly in the range indicated by the “Min” and “Max” settings in the header.

[index] indicates that the parameter is an indexed parameter and specifies the number of indices available.

2. Parameter name

Indicates the name of the relevant parameter. Certain parameter names include the following abbreviated prefixes: BI, BO, CI, and CO followed by a colon. These abbreviations have the following meanings:

BI = Binector input, i.e. parameter selects the source of a

BO = Binector output, i.e. parameter connects as a binary signal

P9999.C

r9999

(0)

binary signal

12 Level:

CI = Connector input, i.e. parameter selects the source of an

CO = Connector output, i.e. parameter connects as an analog

P9999.D

(999:9)

r9999 [99]

analog signal

signal

CO/BO = Connector/Binector output, i.e. parameter connects as an

r9999 r9999

analog signal and/or as a binary signal

To make use of BiCo you will need access to the full parameter list. At this level many new parameter settings are possible, including BiCo functionality. BiCo functionality is a different, more flexible way of setting and combining input and output functions. It can be used in most cases in conjunction with the simple, level 2 settings. The BiCo system allows complex functions to be programmed. Boolean and mathematical relationships can be set up between inputs (digital, analog, serial etc.) and outputs (inverter current, frequency, analog output, relays, etc.).

3. CStat Commissioning status of the parameter. Three states are possible: Commissioning C Run U Ready to Run T This indicates when the parameter can be changed. One, two or all three states may be specified. If all three states are specified, this means that it is possible to change this parameter setting in all three inverter states

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4. P-Group Indicates the functional group of the particular.

Note

Parameter P0004 (parameter filter) acts as a filter and focuses access to parameters according to the functional group selected.

5. Datatype The data types available are shown in the table below.

Notation Meaning

U16 16-bit unsigned

U32 32-bit unsigned

I16 16-bit integer

I32 32-bit integer

Float Floating point

6. Active Indicates whether ♦ Immediately changes to the parameter values take effective immediately

after they have been entered, or

♦ Confirm the “P” button on the operator panel (BOP or AOP) must be

pressed before the changes take effect.

7. Unit Indicates the unit of measure applicable to the parameter values

8. QuickComm Indicates whether or not (Yes or No) a parameter can only be changed during quick commissioning, i.e. when P0010 (parameter groups for commissioning) is set to 1 (quick commissioning).

9. Min Indicates the minimum value to which the parameter can be set.

10. Def Indicates the default value, i.e. the value which applies if the user does not specify a particular value for the parameter.

11. Max Indicates the maximum value to which the parameter can be set.

12. Level Indicates the level of user access. There are four access levels: Standard, Extended, Expert and Service. The number of parameters that appear in each functional group depends on the access level set in P0003 (user access level).

13. Description The parameter description consists of the sections and contents listed below. Some of these sections and contents are optional and will be omitted on a caseto-case basis if not applicable.

Description: Brief explanation of the parameter function.

Diagram: Where applicable, diagram to illustrate the effects of parameters on a

Settings: List of applicable settings. These include

Example: Optional example of the effects of a particular parameter setting.

Dependency: Any conditions that must be satisfied in connection with this parameter. Also

Warning / Caution / Notice / Note:

More details: Any sources of more detailed information concerning the particular parameter.

characteristic curve, for example

Possible settings, Most common settings, Index and Bitfields

any particular effects, which this parameter has on other parameter(s) or which other parameters have on this one.

Important information which must be heeded to prevent personal injury or damage to equipment / specific information which should be heeded in order to avoid problems / information which may be helpful to the user

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1.2 Quick commissioning (P0010=1)

The following parameters are necesarry for quick commissioning (P0010=1).

No Name Access level Cstat

P0100 Europe / North America 1 C

P0300 Select motor type 2 C P0304 Motor voltage rating 1 C

P0305 Motor current rating 1 C P0307 Motor power rating 1 C

P0308 Motor cosPhi rating 2 C P0309 Motor efficiency rating 2 C

P0310 Motor frequency rating 1 C P0311 Motor speed rating 1 C

P0320 Motor magnetizing current 3 CT P0335 Motor cooling 2 CT

P0640 Motor overload factor [%] 2 CUT P0700 Selection of command source 1 CT

P1000 Selection of frequency setpoint 1 CT P1080 Min. speed 1 CUT

P1082 Max. speed 1 CT P1120 Ramp-up time 1 CUT

P1121 Ramp-down time 1 CUT P1135 OFF3 ramp-down time 2 CUT

P1300 Control mode 2 CT P1910 Select motor data identification 2 CT

P3900 End of quick commissioning 1 C

When P0010=1 is chosen, P0003 (user access level) can be used to select the parameters to be accessed. This parameter also allows selection of a user-defined parameter list for quick commissioning.

At the end of the quick commissioning sequence, set P3900 = 1 to carry out the necessary motor calculations and clear all other parameters (not included in P0010=1) to their default settings.

Note

This applies only in Quick Commissioning mode.

Reset to Factory default

To reset all parameters to the factory default settings; the following parameters should be set as follows:

Set P0010=30.

Set P0970=1.

Note

The reset process takes approximately 10 seconds to complete. Reset to Factory default

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Seven-segment display

The seven-segment display is structured as follows:

9 811 1013 1215 14Segment Bit

Segment Bit

1 03 25 47 6

The significance of the relevant bits in the display is described in the status and control word parameters.

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1.3 Parameter Description

Note:

Level 4 Parameters are not visible with BOP or AOP.

r0000 Drive display Min: -

Datatype: U16 Unit: - Def: -

P-Group: ALWAYS Max: -

Displays the user selected output as defined in P0005.

Note:

Pressing the "Fn" button for 2 seconds allows the user to view the values of DC link voltage, output frequency, output voltage, output current, and chosen r0000 setting (defined in P0005).

r0002 Drive state Min: -

Datatype: U16 Unit: - Def: -

P-Group: COMMANDS Max: -

Displays actual drive state.

Possible Settings:

0 Commissioning mode (P0010 != 0) 1 Drive ready 2 Drive fault active 3 Drive starting (DC-link precharging) 4 Drive running 5 Stopping (ramping down)

Dependency:

State 3 visible only while precharging DC link, and when externally powered communications board is fitted.

P0003 User access level Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 1 P-Group: ALWAYS Active: first confirm QuickComm. No Max: 4

Defines user access level to parameter sets. The default setting (standard) is sufficient for most simple applications.

Possible Settings:

0 User defined parameter list - see P0013 for details on use 1 Standard: Allows access into most frequently used parameters. 2 Extended: Allows extended access e.g. to inverter I/O functions. 3 Expert: For expert use only. 4 Service: Only for use by authorized service personal - password protected.

P0004 Parameter filter Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 0 P-Group: ALWAYS Active: first confirm QuickComm. No Max: 22

Filters available parameters according to functionality to enable a more focussed approach to commissioning.

Possible Settings:

0 All parameters 2 Inverter 3 Motor 7 Commands, binary I/O 8 ADC and DAC 10 Setpoint channel / RFG 12 Drive features 13 Motor control 20 Communication 21 Alarms / warnings / monitoring 22 Technology controller (e.g. PID)

Example:

P0004 = 22 specifies that only PID parameters will be visible.

Dependency:

Parameters marked "Quick Comm: Yes" in the parameter header can only be set when P0010 = 1 (Quick Commissioning).

Level:

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P0005 Display selection Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 21 P-Group: FUNC Active: first confirm QuickComm. No Max: 4000

Selects display for parameter r0000 (drive display).

Common Settings:

21 Actual frequency 25 Output voltage 26 DC link voltage 27 Output current

Notice:

These settings refer to read only parameter numbers ("rxxxx").

Details:

See relevant "rxxxx" parameter descriptions.

P0006 Display mode Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 2 P-Group: FUNC Active: first confirm QuickComm. No Max: 4

Defines mode of display for r0000 (drive display).

Possible Settings:

0 In Ready state alternate between setpoint and output frequency. In run display output frequency 1 In Ready state display setpoint. In run display output frequency. 2 In Ready state alternate between P0005 value and r0020 value. In run display P0005 value 3 In Ready state alternate between r0002 value and r0020 value. In run display r0002 value 4 In all states just display P0005

Note:

When inverter is not running, the display alternates between the values for "Not Running" and "Running".

Per default, the setpoint and actual frequency values are displayed alternately.

P0007 Backlight delay time Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 0 P-Group: FUNC Active: first confirm QuickComm. No Max: 2000

Defines time period after which the backlight display turns off if no operator keys have been pressed.

Value:

P0007 = 0: Backlight always on (default state).

Level:

P0007 = 1 - 2000: Number of seconds after which the backlight will turn off.

P0010 Commissioning parameter Min: 0

CStat: CT Datatype: U16 Unit: - Def: 0 P-Group: ALWAYS Active: first confirm QuickComm. No Max: 30

Filters parameters so that only those related to a particular functional group are selected.

Possible Settings:

0 Ready 1 Quick commissioning 2 Inverter 29 Download 30 Factory setting

Dependency:

Reset to 0 for inverter to run.

P0003 (user access level) also determines access to parameters.

Note:

P0010 = 1 The inverter can be commissioned very quickly and easily by setting P0010 = 1. After that only the important parameters (e.g.: P0304, P0305, etc.) are visible. The value of these parameters must be entered one after the other. The end of quick commissioning and the start of internal calculation will be done by setting P3900 = 1 - 3. Afterward parameter P0010 will be reset to zero automatically.

P0010 = 2 For service purposes only.

P0010 = 29 To transfer a parameter file via PC tool (e.g.: DriveMonitor, STARTER) parameter P0010 will be set to 29 by the PC tool. When download has been finished PC tool resets parameter P0010 to zero.

P0010 = 30 When resetting the parameters of inverter P0010 must be set to 30. Resetting of the parameters will be started by setting parameter P0970 = 1. The inverter will automatically reset all its parameters to their default settings. This can prove beneficial if you experience problems during parameter setup and wish to start again. Duration of factory setting will take about 60 s.

Level:

If P3900 is not 0 (0 is the default value), this parameter is automatically reset to 0.

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P0011 Lock for user defined parameter

CStat: CUT Datatype: U16 Unit: - Def: 0 P-Group: FUNC Active: first confirm QuickComm. No Max: 65535

Details:

See parameter P0013 (user defined parameter)

Min: 0

P0012 Key for user defined parameter Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 0 P-Group: FUNC Active: first confirm QuickComm. No Max: 65535

Details:

See parameter P0013 (user defined parameter).

P0013[20] User defined parameter Min: 0

CStat: CUT Datatype: U16 Unit: - Def: 0 P-Group: FUNC Active: first confirm QuickComm. No Max: 65535

Defines a limited set of parameters to which the end user will have access.

Instructions for use: Step 1: Set P0003 = 3 (expert user) Step 2: Go to P0013 indices 0 to 16 (user list) Step 3: Enter into P0013 index 0 to 16 the parameters required to be visible in the user-defined list. The following values are fixed and cannot be changed:

- P0013 index 19 = 12 (key for user defined parameter)

- P0013 index 18 = 10 (commissioning parameter filter)

- P0013 index 17 = 3 (user access level)

Step 4: Set P0003 = 0 to activate the user defined parameter.

Index:

P0013[0] : 1st user parameter P0013[1] : 2nd user parameter P0013[2] : 3rd user parameter P0013[3] : 4th user parameter P0013[4] : 5th user parameter P0013[5] : 6th user parameter P0013[6] : 7th user parameter P0013[7] : 8th user parameter P0013[8] : 9th user parameter P0013[9] : 10th user parameter P0013[10] : 11th user parameter P0013[11] : 12th user parameter P0013[12] : 13th user parameter P0013[13] : 14th user parameter P0013[14] : 15th user parameter P0013[15] : 16th user parameter P0013[16] : 17th user parameter P0013[17] : 18th user parameter P0013[18] : 19th user parameter P0013[19] : 20th user parameter

Dependency:

First, set P0011 ("lock") to a different value than P0012 ("key") to prevent changes to user-defined parameter. Then, set P0003 to 0 to activate the user-defined list.

Level:

When locked and the user-defined parameter is activated, the only way to exit the user-defined parameter (and view other parameters) is to set P0012 ("key") to the value in P0011 ("lock").

Note:

Alternatively, set P0010 = 30 (commissioning parameter filter = factory setting) and P0970 = 1 (factory reset) to perform a complete factory reset.

The default values of P0011 ("lock") and P0012 ("key") are the same.

r0018 Firmware version Min: -

Datatype: Float Unit: - Def: -

P-Group: INVERTER Max: -

Displays version number of installed firmware.

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Level:

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r0019 CO/BO: BOP control word Min: -

Datatype: U16 Unit: - Def: -

P-Group: COMMANDS Max: -

Displays status of operator panel commands.

The settings below are used as the "source" codes for keypad control when connecting to BICO input parameters.

Bitfields:

Bit00 ON/OFF1 0 NO

1 YES

Bit01 OFF2: Electrical stop 0 YES

1NO

Bit08 JOG right 0 NO

1 YES

Bit11 Reverse (setpoint inversion) 0 NO

1 YES

Bit13 Motor potentiometer MOP up 0 NO

1 YES

Bit14 Motor potentiometer MOP down 0 NO

1 YES

Note:

When BICO technology is used to allocate functions to panel buttons, this parameter displays the actual status of the relevant command.

The following functions can be "connected" to individual buttons:

- ON/OFF1,

- OFF2,

- JOG,

- REVERSE,

- INCREASE,

- DECREASE

r0020 CO: Freq. setpoint before RFG Min: -

Datatype: Float Unit: Hz Def: -

P-Group: CONTROL Max: -

Displays actual frequency setpoint (output from ramp function generator).

r0021 CO: Act. frequency Min: -

Datatype: Float Unit: Hz Def: -

P-Group: CONTROL Max: -

Displays actual inverter output frequency (r0024) excluding slip compensation, resonance damping and frequency limitation.

r0022 Act. filtered rotor speed Min: -

Datatype: Float Unit: 1/min Def: -

P-Group: CONTROL Max: -

Displays calculated rotor speed based on inverter output frequency [Hz] x 120 / number of poles.

Note:

This calculation makes no allowance for load-dependent slip.

r0024 CO: Act. output frequency Min: -

Datatype: Float Unit: Hz Def: -

P-Group: CONTROL Max: -

Displays actual output frequency (slip compensation, resonance damping and frequency limitation are included).

r0025 CO: Act. output voltage Min: -

Datatype: Float Unit: V Def: -

P-Group: CONTROL Max: -

Displays [rms] voltage applied to motor.

r0026 CO: Act. filtered DC-link volt. Min: -

Datatype: Float Unit: V Def: -

P-Group: INVERTER Max: -

Displays DC-link voltage.

r0027 CO: Act. output current Min: -

Datatype: Float Unit: A Def: -

P-Group: CONTROL Max: -

Displays [rms] value of motor current [A].

Level:

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r0034 CO: Motor temperature (i2t)

Datatype: Float Unit: % Def: -

P-Group: MOTOR Max: -

Displays calculated motor temperature (I2t model) as [%] of the maximum permissible value.

Note:

A value of 100 % means that the motor has reached its maximum permissible operating temperature. In this case, the motor will attempt to reduce the motor loading as defined in P0610 (motor I2t temperature reaction).

Min: -

r0036 CO:Inverter overload utilization Min: -

P-Group: INVERTER Max: -

Displays inverter overload utilization calculated via I2t model.

The actual I2t value relative to the max. possible I2t value supplies utilization in [%].

If the nominal current of the inverter is not exceed, 0 % utilization will be displayed.

If the current exceeds the threshold for P0294 (inverter I2t overload warning), alarm A0504 (inverter overtemperature) is generated and the output current of the inverter reduced via P0290 (inverter overload reaction).

If 100 % utilization is exceeded, alarm F0005 (inverter I2T) is tripped.

Datatype: Float Unit: % Def: -

r0037 CO: Inverter temperature [°C] Min: -

P-Group: INVERTER Max: -

Displays internal inverter heatsink temperature.

Datatype: Float Unit: °C Def: -

r0039 CO: Energy consumpt. meter [kWh] Min: -

P-Group: INVERTER Max: -

Displays electrical energy used by inverter since display was last reset (see P0040 - reset energy consumption meter).

Dependency:

Value is reset when P0040 = 1 reset energy consumption meter.

Datatype: Float Unit: kWh Def: -

P0040 Reset energy consumption meter Min: 0

CStat: CT Datatype: U16 Unit: - Def: 0 P-Group: INVERTER Active: first confirm QuickComm. No Max: 1

Resets value of parameter r0039 (energy consumption meter) to zero.

Possible Settings:

0 No reset 1 Reset r0039 to 0

Dependency:

No reset until "P" is pressed.

Level:

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r0052 CO/BO: Act. status word 1 Min: -

Datatype: U16 Unit: - Def: -

P-Group: COMMANDS Max: -

Displays first active status word of inverter (bit format) and can be used to diagnose inverter status. The display segments for the status word are shown in the "Introduction to MICROMASTER System Parameters".

Bitfields:

Bit00 Drive ready 0 NO

1 YES

Bit01 Drive ready to run 0 NO

1 YES

Bit02 Drive running 0 NO

1 YES

Bit03 Drive fault active 0 NO

1 YES

Bit04 OFF2 active 0 YES

1NO

Bit05 OFF3 active 0 YES

1NO

Bit06 ON inhibit active 0 NO

1 YES

Bit07 Drive warning active 0 NO

1 YES

Bit08 Deviation setpoint / act. value 0 YES

1NO

Bit09 PZD control 0 NO

1 YES

Bit10 Maximum frequency reached 0 NO

1 YES

Bit11 Warning: Motor current limit 0 YES

1NO

Bit12 Motor holding brake active 0 NO

1 YES

Bit13 Motor overload 0 YES

1NO

Bit14 Motor runs right 0 NO

1 YES

Bit15 Inverter overload 0 YES

1NO

Note:

Output of Bit3 (Fault) will be inverted on digital output (Low = Fault, High = No Fault).

Level:

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r0053 CO/BO: Act. status word 2

Datatype: U16 Unit: - Def: -

P-Group: COMMANDS Max: -

Displays second status word of inverter (in bit format).

Bitfields:

Bit00 DC brake active 0 NO

1 YES

Bit01 f_act > P2167 (f_off) 0 NO

1 YES

Bit02 f_act > P1080 (f_min) 0 NO

1 YES

Bit03 Act. current r0027 >= P2170 0 NO

1 YES

Bit04 f_act > P2155 (f_1) 0 NO

1 YES

Bit05 f_act <= P2155 (f_1) 0 NO

1 YES

Bit06 f_act>= setpoint 0 NO

1 YES

Bit07 Act. Vdc r0026 < P2172 0 NO

1 YES

Bit08 Act. Vdc r0026 > P2172 0 NO

1 YES

Bit09 Ramping finished 0 NO

1 YES

Bit10 PID output r2294 == P2292 (PID_min) 0 NO

1 YES

Bit11 PID output r2294 == P2291 (PID_max) 0 NO

1 YES

Bit14 Download data set 0 from AOP 0 NO

1 YES

Bit15 Download data set 1 from AOP 0 NO

1 YES

Details:

See description of seven-segment display given in the "Introduction to MICROMASTER System Parameters" in this manual.

Min: -

r0054 CO/BO: Act. control word 1 Min: -

P-Group: COMMANDS Max: -

Displays first control word of inverter and can be used to diagnose which commands are active.

Bitfields:

Bit00 ON/OFF1 0 NO

Bit01 OFF2: Electrical stop 0 YES

Bit02 OFF3: Fast stop 0 YES

Bit03 Pulse enable 0 NO

Bit04 RFG enable 0 NO

Bit05 RFG start 0 NO

Bit06 Setpoint enable 0 NO

Bit07 Fault acknowledge 0 NO

Bit08 JOG right 0 NO

Bit09 JOG left 0 NO

Bit10 Control from PLC 0 NO

Bit11 Reverse (setpoint inversion) 0 NO

Bit13 Motor potentiometer MOP up 0 NO

Bit14 Motor potentiometer MOP down 0 NO

Bit15 Local / Remote 0 NO

Details:

See description of seven-segment display given in the "Introduction to MICROMASTER System Parameters" in this manual.

Datatype: U16 Unit: - Def: -

1 YES

1NO

1 YES

Level:

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r0055 CO/BO: Act. control word 2 Min: -

Datatype: U16 Unit: - Def: -

P-Group: COMMANDS Max: -

Displays additional control word of inverter and can be used to diagnose which commands are active.

Bitfields:

Bit00 Fixed frequency Bit 0 0 NO

1 YES

Bit01 Fixed frequency Bit 1 0 NO

1 YES

Bit02 Fixed frequency Bit 2 0 NO

1 YES

Bit08 PID enabled 0 NO

1 YES

Bit09 DC brake enabled 0 NO

1 YES

Bit13 External fault 1 0 YES

1NO

Details:

See description of seven-segment display given in the "Introduction to MICROMASTER System Parameters" in this handbook.

r0056 CO/BO: Status of motor control Min: -

Datatype: U16 Unit: - Def: -

P-Group: CONTROL Max: -

Displays status of motor control (MM420: V/f status), which can be used to diagnose inverter status.

Bitfields:

Bit00 Init. control finished 0 NO

1 YES

Bit01 Motor demagnetizing finished 0 NO

1 YES

Bit02 Pulses enabled 0 NO

1 YES

Bit03 Voltage soft start select 0 NO

1 YES

Bit04 Motor excitation finished 0 NO

1 YES

Bit05 Starting boost active 0 NO

1 YES

Bit06 Acceleration boost active 0 NO

1 YES

Bit07 Frequency is negative 0 NO

1 YES

Bit08 Field weakening active 0 NO

1 YES

Bit09 Volts setpoint limited 0 NO

1 YES

Bit10 Slip frequency limited 0 NO

1 YES

Bit11 F_out > F_max Freq. limited 0 NO

1 YES

Bit12 Phase reversal selected 0 NO

1 YES

Bit13 I-max controller active 0 NO

1 YES

Bit14 Vdc-max controller active 0 NO

1 YES

Bit15 KIB (Vdc-min control) active 0 NO

1 YES

Details:

See description of seven-segment display given in the introduction.

r0067 CO: Act. output current limit Min: -

Datatype: Float Unit: A Def: -

P-Group: CONTROL Max: -

Displays valid maximum output current of inverter.

Level:

This value is influenced by P0640 (max. output current), the derating characteristics and the thermal motor and inverter protection.

Dependency:

P0610 (motor I2t temperature reaction) defines reaction when limit is reached.

Note:

Normally, current limit = rated motor current (P0305) x motor current limit (P0640). It is less than or equal to maximum inverter current.

The current limit may be reduced if the motor thermal model calculation indicates that overheating will occur.

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r0071 CO: Max. output voltage

P-Group: CONTROL Max: -

Displays maximum output voltage.

r0071

(Inverter)

P0304

(Motor)

max

= f(Vdc,MOD

max

P0310

(Motor)

(Inverter)

Flux

Datatype: Float Unit: V Def: -

)

max

out

Power

Min: -

Level:

Field weakening

Dependency:

Actual maximum output voltage depends on the actual input supply voltage.

r0078 CO: Act. current Isq Min: -

P-Group: CONTROL Max: -

Displays component of torque generating current.

Datatype: Float Unit: A Def: -

r0084 CO: Act. air gap flux Min: -

P-Group: CONTROL Max: -

Displays air gap flux in [%] relative to the rated motor flux.

Datatype: Float Unit: % Def: -

r0086 CO: Act. active current Min: -

P-Group: CONTROL Max: -

Displays active (real part) of motor current.

Dependency:

Applies when V/f control is selected in P1300 (control mode); otherwise, the display shows the value zero.

Datatype: Float Unit: A Def: -

Level:

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

MM420 Parameter List 04/02

P0100 Europe / North America Min: 0

CStat: C Datatype: U16 Unit: - Def: 0 P-Group: QUICK Active: first confirm QuickComm. Yes Max: 2

Determines whether power settings (e.g. nominal rating plate power - P0307) are expressed in [kW] or [hp].

The default settings for the nominal rating plate frequency (P0310) and maximum motor frequency (P1082) are also set automatically here, in addition to reference frequency (P2000).

Possible Settings:

0 Europe [kW], frequency default 50 Hz 1 North America [hp], frequency default 60 Hz 2 North America [kW], frequency default 60 Hz

Dependency:

The setting of DIP switch 2 determines the validity of settings 0 and 1 for P0100 according to the diagram below:

Remove SDP

DIP2

Level:

Power

cycle

P0100 = 2

DIP2 = OFF

yes

Power in kW

50 Hz

P0100 = 0

yes

Power in kW

60 Hz

P0100 = 2

yes

Quick

commissioning

P0010 = 1

P0100 = 2

P0100 = 1

yes

Power in hp

60 Hz

P0100 = 1

Stop drive first (i.e. disable all pulses) before you change this parameter.

P0010 = 1 (commissioning mode) enables changes to be made.

Changing P0100 resets all rated motor parameters as well as other parameters that depend on the rated motor parameters (see P0340 - calculation of motor parameters).

Notice:

P0100 setting 2 (==> [kW], frequency default 60 [Hz]) is not overwritten by the setting of DIP switch 2 (see diagram above).

MICROMASTER 420 Parameter List

20 6SE6400-5BA00-0BP0

04/02 1 Parameters

r0200 Act. power stack code number

P-Group: INVERTER Max: -

Identifies hardware variant as shown in table below.

Code-

No.

1 6SE6420-2UC11-2AAx 1/3AC200-240V +10% -10% 47-63Hz 0,12 no A 2 6SE6420-2UC12-5AAx 1/3AC200-240V +10% -10% 47-63Hz 0,25 no A 3 6SE6420-2UC13-7AAx 1/3AC200-240V +10% -10% 47-63Hz 0,37 no A 4 6SE6420-2UC15-5AAx 1/3AC200-240V +10% -10% 47-63Hz 0,55 no A 5 6SE6420-2UC17-5AAx 1/3AC200-240V +10% -10% 47-63Hz 0,75 no A 6 6SE6420-2UC21-1BAx 1/3AC200-240V +10% -10% 47-63Hz 1,1 no B 7 6SE6420-2UC21-5BAx 1/3AC200-240V +10% -10% 47-63Hz 1,5 no B 8 6SE6420-2UC22-2BAx 1/3AC200-240V +10% -10% 47-63Hz 2,2 no B

9 6SE6420-2UC23-0CA x 1/3AC200-240V +10% -10% 47-63Hz 3 no C 10 6SE6420-2UC24-0CAx 3A C200-240V +10% -10% 47-63Hz 4 no C 11 6SE6420-2UC25-5CAx 3A C200-240V +10% -10% 47-63Hz 5,5 no C 12 6SE6420-2A B11-2AAx 1AC200-240V +10% -10% 47-63Hz 0,12 Cl. A A 13 6SE6420-2A B12-5AAx 1AC200-240V +10% -10% 47-63Hz 0,25 Cl. A A 14 6SE6420-2A B13-7AAx 1AC200-240V +10% -10% 47-63Hz 0,37 Cl. A A 15 6SE6420-2A B15-5AAx 1AC200-240V +10% -10% 47-63Hz 0,55 Cl. A A 16 6SE6420-2A B17-5AAx 1AC200-240V +10% -10% 47-63Hz 0,75 Cl. A A 17 6SE6420-2A B21-1BAx 1AC200-240V +10% -10% 47-63Hz 1,1 Cl. A B 18 6SE6420-2A B21-5BAx 1AC200-240V +10% -10% 47-63Hz 1,5 Cl. A B 19 6SE6420-2A B22-2BAx 1AC200-240V +10% -10% 47-63Hz 2,2 Cl. A B 20 6SE6420-2A B23-0CAx 1AC200-240V +10% -10% 47-63Hz 3 Cl. A C 21 6SE6420-2A B23-1CAx 3AC200-240V +10% -10% 47-63Hz 3 Cl. A C 22 6SE6420-2A B24-0CAx 3AC200-240V +10% -10% 47-63Hz 4 Cl. A C 23 6SE6420-2A B25-0CA x 3AC200-240V +10% -10% 47-63Hz 5,5 Cl. A C 24 6SE6420-2UD13-7A Ax 3AC380-480V +10% -10% 47-63Hz 0,37 no A 25 6SE6420-2UD15-5A Ax 3AC380-480V +10% -10% 47-63Hz 0,55 no A 26 6SE6420-2UD17-5A Ax 3AC380-480V +10% -10% 47-63Hz 0,75 no A 27 6SE6420-2UD21-1A Ax 3AC380-480V +10% -10% 47-63Hz 1,1 no A 28 6SE6420-2UD21-5A Ax 3AC380-480V +10% -10% 47-63Hz 1,5 no A 29 6SE6420-2UD22-2BAx 3AC380-480V +10% -10% 47-63Hz 2,2 no B 30 6SE6420-2UD23-0BAx 3AC380-480V +10% -10% 47-63Hz 3 no B 31 6SE6420-2UD24-0BAx 3AC380-480V +10% -10% 47-63Hz 4 no B 32 6SE6420-2UD25-5CAx 3A C380-480V +10% -10% 47-63Hz 5,5 no C 33 6SE6420-2UD27-5CAx 3A C380-480V +10% -10% 47-63Hz 7,5 no C 34 6SE6420-2UD31-1CAx 3A C380-480V +10% -10% 47-63Hz 11 no C 35 6SE6420-2A D22-2BAx 3AC380-480V +10% -10% 47-63Hz 2,2 Cl. A B 36 6SE6420-2A D23-0BAx 3AC380-480V +10% -10% 47-63Hz 3 Cl. A B 37 6SE6420-2A D24-0BAx 3AC380-480V +10% -10% 47-63Hz 4 Cl. A B 38 6SE6420-2A D25-5CAx 3AC380-480V +10% -10% 47-63Hz 5,5 Cl. A C 39 6SE6420-2A D27-5CAx 3AC380-480V +10% -10% 47-63Hz 7,5 Cl. A C 40 6SE6420-2A D31-1CAx 3A C380-480V +10% -10% 47-63Hz 11 Cl. A C

MM420

MLFB

Datatype: U32 Unit: - Def: -

Input Voltage & Frequency

Min: -

CT Power

Internal

Filter

Level:

Frame

Size

Notice:

Parameter r0200 = 0 indicates that no power stack has been identified.

P0201 Power stack code number Min: 0

CStat: C Datatype: U16 Unit: - Def: 0 P-Group: INVERTER Active: first confirm QuickComm. No Max: 65535

Confirms actual power stack identified.

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

Level:

MM420 Parameter List 04/02

r0203 Act. inverter type Min: -

Datatype: U16 Unit: - Def: -

P-Group: INVERTER Max: -

Type number of actual inverter identified.

Possible Settings:

1 MICROMASTER 420 2 MICROMASTER 440 3 MICRO- / COMBIMASTER 411 4 MICROMASTER 410 5 Reserved 6 MICROMASTER 440 PX 7 MICROMASTER 430

r0204 Power stack features Min: -

Datatype: U32 Unit: - Def: -

P-Group: INVERTER Max: -

Displays hardware features of power stack.

Bitfields:

Bit00 DC input voltage 0 NO

1 YES

Bit01 RFI filter 0 NO

1 YES

Note:

Parameter r0204 = 0 indicates that no power stack has been identified.

r0206 Rated inverter power [kW] / [hp] Min: -

Datatype: Float Unit: - Def: -

P-Group: INVERTER Max: -

Displays nominal rated motor power from inverter.

Dependency:

Value is displayed in [kW] or [hp] depending on setting for P0100 (operation for Europe / North America).

r0207 Rated inverter current Min: -

Datatype: Float Unit: A Def: -

P-Group: INVERTER Max: -

Displays maximum continuous output current of inverter.

r0208 Rated inverter voltage Min: -

Datatype: U32 Unit: V Def: -

P-Group: INVERTER Max: -

Displays nominal AC supply voltage of inverter.

Value:

r0208 = 230 : 200 - 240 V +/- 10 % r0208 = 400 : 380 - 480 V +/- 10 % r0208 = 575 : 500 - 600 V +/- 10 %

P0210 Supply voltage Min: 0

CStat: CT Datatype: U16 Unit: V Def: 230 P-Group: INVERTER Active: Immediately QuickComm. No Max: 1000

Optimizes Vdc controller, which extends the ramp-down time if regenerative energy from motor would otherwise cause DC link overvoltage trips.

Level:

Reducing the value enables controller to cut in earlier and reduce the risk of overvoltage.

Dependency:

Set P1254 ("Auto detect Vdc switch-on levels") = 0. Cut-in levels for Vdc-controller and compound braking are then derived directly from P0210 (supply voltage).

Vdc_max switch-on level

Compound braking switch-on level

Note:

If mains voltage is higher than value entered, automatic deactivation of the Vdc controller may occur to avoid acceleration of the motor. An alarm will be issued in this case (A0910).

Default value is dependant on inverter rated power.

0210P21.15 ⋅⋅=

0210P21.13 ⋅⋅=

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04/02 1 Parameters

r0231[2] Max. cable length

Datatype: U16 Unit: m Def: -

P-Group: INVERTER Max: -

Indexed parameter to display maximum allowable cable length between inverter and motor.

Index:

r0231[0] : Max. allowed unscreened cable length r0231[1] : Max. allowed screened cable length

Notice:

For full EMC compliance, the screened cable must not exceed 25 m in length when an EMC filter is fitted.

Min: -

P0290 Inverter overload reaction Min: 0

CStat: CT Datatype: U16 Unit: - Def: 2 P-Group: INVERTER Active: first confirm QuickComm. No Max: 3

Selects reaction of inverter to an internal over-temperature.

Following physical values influence the inverter overload protection (see diagram):

- heat sink temperature

- inverter I²t

Heat sink temperature

Inverter overload reaction

P0290

i_max

control

f_pulse control

A0504

A0505

A0506

F0004

F0005

Level:

Possible Settings:

0 Reduce output frequency 1 Trip (F0004) 2 Reduce pulse frequency and output frequency 3 Reduce pulse frequency then trip (F0004)

Notice:

P0290 = 0: Reduction of output frequency is usually only effective if the load is also reduced. This is for example valid for variable torque applications with a quadratic torque characteristic as pumps or fans.

A trip will always result eventually, if the action taken does not sufficiently reduce internal temperature.

The pulse frequency is normally reduced only if higher than 2 kHz (see P0291 - configuration of inverter protection).

P0291 Inverter protection Min: 0

CStat: CT Datatype: U16 Unit: - Def: 1 P-Group: INVERTER Active: Immediately QuickComm. No Max: 1

Control bit 0 for enabling/disabling automatic pulse frequency reduction at output frequencies below 2 Hz.

Bitfields:

Bit00 Pulse frequency reduced below 2Hz 0 NO

1 YES

Details:

See P0290 (inverter overload reaction)

P0292 Inverter overload warning Min: 0

CStat: CUT Datatype: U16 Unit: °C Def: 15 P-Group: INVERTER Active: first confirm QuickComm. No Max: 25

Defines temperature difference (in [°C]) between inverter over-temperature trip and warning thresholds.

Level:

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

MM420 Parameter List 04/02

P0294 Inverter I2t overload warning Min: 10.0

CStat: CUT Datatype: Float Unit: % Def: 95.0 P-Group: INVERTER Active: first confirm QuickComm. No Max: 100.0

Defines the [%] value at which alarm A0504 (inverter overtemperature) is generated.

Inverter I2t calculation is used to estimate a maximum tolerable period for inverter overload. The I2t calculation value is deemed = 100 % when this maximum tolerable period is reached.

Dependency:

Motor overload factor (P0640) reduced to 100 % at this point.

Note:

P0294 = 100 % corresponds to stationary nominal load.

P0300 Select motor type Min: 1

CStat: C Datatype: U16 Unit: - Def: 1 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 2

Selects motor type.

This parameter is required during commissioning to select motor type and optimize inverter performance. Most motors are asynchronous; if in doubt, use the formula below. (rated motor frequency (P0310) * 60) / rated motor speed (P0311)

If the result is a whole number, the motor is synchronous.

Possible Settings:

1 Asynchronous motor 2 Synchronous motor

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

If synchronous motor is selected, the following functions are not available: P0308 Power factor P0309 Motor efficiency P0346 Magnetization time P0347 Demagnetization time P1335 Slip compensation P1336 Slip limit P0320 Motor magnetizing current P0330 Rated motor slip P0331 Rated magnetization current P0332 Rated power factor P0384 Rotor time constant P1200, P1202, P1203 Flying start P1230, P1232, P1233 DC braking

Level:

MICROMASTER 420 Parameter List

24 6SE6400-5BA00-0BP0

04/02 1 Parameters

P0304 Rated motor voltage

CStat: C Datatype: U16 Unit: V Def: 230 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 2000

Nominal motor voltage [V] from rating plate. Following diagram shows a typical rating plate with the locations of the relevant motor data.

P0310

P0307

P0308

Min: 10

P0304P0305

3~Mot 1LA7130-4AA10

No UD 0013509-0090-0031 TICI F 1325 IP 55 IM B3

50 Hz

5.5kW 19.7/11.A

Cos

0.81

ϕ ϕ

∆/Υ

220-240/380-420 V

∆/Υ ∆/Υ

19.7-20.6/11.4-11.9 A

230-400 V

1455/min

P0311

60 Hz

6.5kW

Cos

0.82

ϕ ϕ

440-480

Υ Υ

11.1-11.3 A

EN 60034

1755/min

P0309

Level:

460 V

10.9 A

95.75%

45kg

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Note:

Default value is dependant on inverter rated power.

P0305 Rated motor current Min: 0.01

CStat: C Datatype: Float Unit: A Def: 3.25 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 10000.00

Nominal motor current [A] from rating plate - see diagram in P0304.

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Depends also on P0320 (motor magnetization current).

Note:

For asynchronous motors, the maximum value is defined as the maximum inverter current.

For synchronous motors, the maximum value is defined as twice the maximum inverter current.

The minimum value is defined as 1/32 times inverter rated current (r0207).

When the relation of the nominal motor current p0305 and half of the maximal inverter current exceeds 1,5 an additional current derating is applied. This is necessary to protect the inverter from harmonic current waves.

Default value is dependant on inverter rated power.

P0307 Rated motor power Min: 0.01

CStat: C Datatype: Float Unit: - Def: 0.75 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 2000.00

Nominal motor power [kW/hp] from rating plate.

Dependency:

If P0100 = 1, values will be in [hp] - see diagram P0304 (rating plate).

Level:

Changeable only when P0010 = 1 (quick commissioning).

Note:

Default value is dependant on inverter rated power.

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

MM420 Parameter List 04/02

P0308 Rated motor cosPhi Min: 0.000

CStat: C Datatype: Float Unit: - Def: 0.000 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 1.000

Nominal motor power factor (cosPhi) from rating plate - see diagram P0304.

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Visible only when P0100 = 0 or 2, (motor power entered in [kW]).

Setting 0 causes internal calculation of value (see r0332).

P0309 Rated motor efficiency Min: 0.0

CStat: C Datatype: Float Unit: % Def: 0.0 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 99.9

Nominal motor efficiency in [%] from rating plate.

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Visible only when P0100 = 1, (i.e. motor power entered in [hp]).

Setting 0 causes internal calculation of value (see r0332).

Note:

P0309 = 100 % corresponds to superconducting.

Details:

See diagram in P0304 (rating plate).

P0310 Rated motor frequency Min: 12.00

CStat: C Datatype: Float Unit: Hz Def: 50.00 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 650.00

Nominal motor frequency [Hz] from rating plate.

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Level:

Pole pair number recalculated automatically if parameter is changed.

Details:

See diagram in P0304 (rating plate)

P0311 Rated motor speed Min: 0

CStat: C Datatype: U16 Unit: 1/min Def: 0 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 40000

Nominal motor speed [rpm] from rating plate.

Dependency:

Changeable only when P0010 = 1 (quick commissioning).

Setting 0 causes internal calculation of value.

Required for vector control and V/f control with speed controller.

Slip compensation in V/f control requires rated motor speed for correct operation.

Pole pair number recalculated automatically if parameter is changed.

Note:

Default value is dependant on inverter rated power.

Details:

See diagram in P0304 (rating plate)

r0313 Motor pole pairs Min: -

Datatype: U16 Unit: - Def: -

P-Group: MOTOR Max: -

Displays number of motor pole pairs that the inverter is currently using for internal calculations.

Value:

r0313 = 1 : 2-pole motor r0313 = 2 : 4-pole motor etc.

Dependency:

Recalculated automatically when P0310 (rated motor frequency) or P0311 (rated motor speed) is changed.

Level:

MICROMASTER 420 Parameter List

26 6SE6400-5BA00-0BP0

04/02 1 Parameters

P0320 Motor magnetizing current

CStat: CT Datatype: Float Unit: % Def: 0.0 P-Group: MOTOR Active: Immediately QuickComm. Yes Max: 99.0

Defines motor magnetization current in [%] relative to P0305 (rated motor current).

Dependency:

P0320 = 0: Setting 0 causes calculation by P0340 = 1 (data entered from rating plate) or by P3900 = 1 - 3 (end of quick commissioning). The calculated value is displayed in parameter r0331.

Min: 0.0

r0330 Rated motor slip Min: -

P-Group: MOTOR Max: -

Displays nominal motor slip in [%] relative to P0310 (rated motor frequency) and P0311 (rated motor speed).

P0311

P0310

[%] r0330 ⋅

P0310

Datatype: Float Unit: % Def: -

r0313

⋅−

% 100

r0331 Rated magnetization current Min: -

P-Group: MOTOR Max: -

Displays calculated magnetizing current of motor in [A].

Datatype: Float Unit: A Def: -

r0332 Rated power factor Min: -

P-Group: MOTOR Max: -

Displays power factor for motor

Dependency:

Value is calculated internally if P0308 (rated motor cosPhi) set to 0; otherwise, value entered in P0308 is displayed.

Datatype: Float Unit: - Def: -

P0335 Motor cooling Min: 0

CStat: CT Datatype: U16 Unit: - Def: 0 P-Group: MOTOR Active: first confirm QuickComm. Yes Max: 1

Selects motor cooling system used.

Possible Settings:

0 Self-cooled: Using shaft mounted fan attached to motor 1 Force-cooled: Using separately powered cooling fan

Notice:

Motors of series 1LA1 and 1LA8 have an internal fan. This internal motor fan must not be confused with the fan at the end of the motor shaft.

P0340 Calculation of motor parameters Min: 0

CStat: CT Datatype: U16 Unit: - Def: 0 P-Group: MOTOR Active: first confirm QuickComm. No Max: 1

Calculates various motor parameters, including:

Level:

P0344 Motor weight P0346 Magnetization time P0347 Demagnetization time P0350 Stator resistance P0611 Motor I2t time constant P1253 Vdc-controller output limitation P1316 Boost end frequency P2000 Reference frequency P2002 Reference current

Possible Settings:

0 No calculation 1 Complete parameterization

Note:

This parameter is required during commissioning to optimize inverter performance.

P0344 Motor weight Min: 1.0

CStat: CUT Datatype: Float Unit: kg Def: 9.4 P-Group: MOTOR Active: Immediately QuickComm. No Max: 6500.0

Specifies motor weight [kg].

Note:

This value is used in the motor thermal model.

It is normally calculated automatically from P0340 (motor parameters) but can also be entered manually.

Default value is dependant on inverter rated power.

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

Level:

MM420 Parameter List 04/02

P0346 Magnetization time Min: 0.000

CStat: CUT Datatype: Float Unit: s Def: 1.000 P-Group: MOTOR Active: Immediately QuickComm. No Max: 20.000

Sets magnetization time [s], i.e. waiting time between pulse enable and start of ramp-up. Motor magnetization builds up during this time.

Magnetization time is normally calculated automatically from the motor data and corresponds to the rotor time constant (r0384).

Note:

If boost settings are higher than 100 %, magnetization may be reduced.

Default value is dependant on inverter rated power.

Notice:

An excessive reduction of this time can result in insufficient motor magnetization.

P0347 Demagnetization time Min: 0.000

CStat: CUT Datatype: Float Unit: s Def: 1.000 P-Group: MOTOR Active: Immediately QuickComm. No Max: 20.000

Changes time allowed after OFF2 / fault condition, before pulses can be re-enabled.

Note:

The demagnetization time is approximately 2.5 x rotor time constant (r0384) in seconds.

Default value is dependant on inverter rated power.

Notice:

Not active following a normally completed ramp-down, e.g. after OFF1, OFF3 or JOG.

Overcurrent trips will occur if the time is decreased excessively.

P0350 Stator resistance (line-to-line) Min: 0.00001

CStat: CUT Datatype: Float Unit: Ohm Def: 4.0 P-Group: MOTOR Active: Immediately QuickComm. No Max: 400.0

Stator resistance value in [Ohms] for connected motor (from line-to-line). The parameter value includes the cable resistance.

Level:

There are three ways to determine the value for this parameter:

1. Calculate using P0340 = 1 (data entered from rating plate) or P0010 = 1, P3900 = 1,2 or 3 (end of quick commissioning).

2. Measure using P1910 = 1 (motor data identification - value for stator resistance is overwritten).

3. Measure manually using an Ohmmeter.

Note:

Since measured line-to-line, this value may appear to be higher (up to 2 times higher) than expected.

The value entered in P0350 (stator resistance) is the one obtained by the method last used.

Default value is dependant on inverter rated power.

r0370 Stator resistance [%] Min: -

P-Group: MOTOR Max: -

Displays standardized stator resistance of motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

r0372 Cable resistance [%] Min: -

P-Group: MOTOR Max: -

Displays standardized cable resistance of motor equivalent circuit (phase value)in [%]. It is estimated to be 20 % of the stator resistance.

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

r0373 Rated stator resistance [%] Min: -

P-Group: MOTOR Max: -

Displays rated stator resistance of the motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

Level:

MICROMASTER 420 Parameter List

28 6SE6400-5BA00-0BP0

04/02 1 Parameters

r0374 Rotor resistance [%]

P-Group: MOTOR Max: -

Displays standardized rotor resistance of the motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

Min: -

r0376 Rated rotor resistance [%] Min: -

P-Group: MOTOR Max: -

Displays rated rotor resistance of the motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

r0377 Total leakage reactance [%] Min: -

P-Group: MOTOR Max: -

Displays standardized total leakage reactance of the motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

r0382 Main reactance [%] Min: -

P-Group: MOTOR Max: -

Displays standardized main reactance of the motor equivalent circuit (phase value) in [%].

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

r0384 Rotor time constant Min: -

P-Group: MOTOR Max: -

Displays calculated rotor time constant [ms].

Datatype: Float Unit: ms Def: -

r0386 Total leakage time constant Min: -

P-Group: MOTOR Max: -

Displays total leakage time constant of motor.

Datatype: Float Unit: ms Def: -

r0395 CO: Total stator resistance [%] Min: -

P-Group: MOTOR Max: -

Displays stator resistance of motor as [%] of combined stator/cable resistance.

Note:

100 % means :

Z ⋅

ratedmot

Datatype: Float Unit: % Def: -

0304P 0305P

Level:

MICROMASTER 420 Parameter List 6SE6400-5BA00-0BP0

MM420 Parameter List 04/02

P0610 Motor I2t temperature reaction Min: 0

CStat: CT Datatype: U16 Unit: - Def: 2 P-Group: MOTOR Active: first confirm QuickComm. No Max: 2

Defines reaction when motor I2t reaches warning threshold.

Possible Settings:

0 No reaction, warning only 1 Warning and Imax reduction (results in reduced output frequency) 2 Warning and trip (F0011)

Dependency:

Trip level = P0614 (motor I2t overload warning level) * 110 %

Note:

The purpose of motor I²t is to calculate or measure the motor temperature and disable the inverter if the motor is in danger of overheating.

The motor temperature will be dependent on many factors, including the size of the motor, the ambient temperature, the previous history of the loading of the motor, and of course, the load current. (The square of the current actually determines the heating of the motor and the temperature rises with time - hence I²t).

Because most motors are cooled by built in fans running at motor speed, the speed of the motor is also important. Clearly a motor running at high current (maybe due to boost) and a low speed, will overheat more quickly than one running at 50 or 60 Hz, full load. The MM4 take account of these factors.

The drives also include inverter I²t protection (i.e. overheating protection, see P0290) in order to protect the units themselves. This operates independently of the motor I²t, and is not described here.

I²t operation: The measured motor current (r0027) is compared with the rated motor current (P0305), and other motor parameters (P0304, P0307, etc.), and the temperature of the motor calculated, a calculation which also includes the output frequency (motor speed) to account for fan cooling. If parameter P0335 is changed to indicate a forced cooled motor, the calculation is modified accordingly.

Level:

Where parameters are not entered by the user, such as P0344 (motor weight), a calculated value will be used based on a Siemens motor. If required, the motor time constant can be adjusted using P0611, in effect overwriting the calculated value.

The resulting temperature is displayed in % of maximum temperature in r0034. When this value reaches the value set in P0614 (default 100%), a warning A0511 occurs. If no action is taken and the temperature reaches 110%, then the inverter trips, showing F0011. The reaction to the warning can be changed from this default using P0610; for example, the drive can react as though a current limit has occurred, or a fault forced immediately. The warning level of P0614 can also be adjusted to raise and lower the warning or trip level as required.

Parameter r0034 is particularly useful to monitor if the calculated motor temperature is rising excessively.

P0611 Motor I2t time constant Min: 0

CStat: CT Datatype: U16 Unit: s Def: 100 P-Group: MOTOR Active: Immediately QuickComm. No Max: 16000

Defines motor thermal time constant and is calculated automatically from the motor data (see P0340).

Notice:

A larger number increases the time taken for the calculated motor temperature to change.

Default value is dependant on inverter rated power.

P0614 Motor I2t overload warning level Min: 0.0

CStat: CUT Datatype: Float Unit: % Def: 100.0 P-Group: MOTOR Active: first confirm QuickComm. No Max: 400.0

Defines the [%] value at which alarm A0511 (motor overtemperature) is generated.

Motor I2t calculation is used to estimate a maximum tolerable period (i.e. without overheating) for motor overload. The I2t calculation value is deemed = 100 % when this maximum tolerable period is reached (see r0034).

Dependency:

A motor over-temperature trip (F0011) is produced at 110 % of this level.

P0640 Motor overload factor [%] Min: 10.0

CStat: CUT Datatype: Float Unit: % Def: 150.0 P-Group: MOTOR Active: Immediately QuickComm. Yes Max: 400.0

Defines motor overload current limit in [%] relative to P0305 (rated motor current).

Dependency:

Limited to maximum inverter current or to 400 % of rated motor current (P0305), whichever is the lower.

Details:

See function diagram for current limitation.

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MICROMASTER 420 Parameter List

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