Configuring Slave-To-Slave Communication In Step 7 - Siemens SINAMICS G120 Operating Instructions Manual

Appendix
A.3 Application examples
A.3.4

Configuring slave-to-slave communication in STEP 7

Two drives communicate via standard telegram 1 with the higher-level control. In addition,
drive 2 receives its speed setpoint directly from drive 1 (actual speed).
Figure A-7 Communication with the higher-level control and between the drives with slave-to-slave communication
Settings in the control
In HW Config in drive 2 (subscriber), insert a slave-to-
slave communication object, e.g. "Slave-to-slave,
PZD2".
With a double-click, open the dialog box to
make additional settings for the slave-to-
slave communication.
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SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB