Rockwell Automation Publication 2094-UM002G-EN-P - August 2016 307
Appendix F
Changing the Default IDN Parameter Values
This appendix provides a procedure, specific to the Kinetix 6200 (sercos) drive
systems, for changing IDN parameter values to non-default values when your
application does not match the default configuration. The procedure also
applies when one or more Kinetix 6000M IDM systems are present.
Before You Begin
The Logix5000â„¢ processor contains a motion planner that sends real-time and
non real-time data to the drive. This drive communication is performed via a
set of sercos interface telegrams. Each telegram has an identification or Ident
(IDN) number. All parametric data, such as scaling and loop gains, and real-
time loop closure information is configured this way.
Table 144 - IDN Instruction Format in the IEC Standard Document
There are default parameters in the Logix5000-to-Kinetix 6200 drive product
structure you can reconfigure when the default configuration does not match
the Integrated Architectureâ„¢ machine configuration.
The drive functions you can change by using this procedure include:
• Additional bus capacitance in common-bus configurations
– With RSLogix 5000® software, version 20.00 or greater, or the Logix
Designer application, you can configure bus capacitance values from
I/O configuration>Sercos module>Drive module properties>Power
tab (refer to Chapter
6)
• Digital input assignments for I/O configurations
Topic Page
Before You Begin 307
Change IDN Parameter Values 308
IDN Number
Name
Function/Description
Length in
bytes
Minimum input value/
Maximum input value
Scaling/resolution Units
IMPORTANT IDN values return to default settings whenever the sercos ring phases up. If
your program includes a message instruction to change default IDN values,
you must re-execute that instruction during phase-up to maintain those
values.
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