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

Appendix
A.8 Application Examples
A.8.6

Configuring slave-to-slave communication in STEP 7

Two drives communicate via standard telegram 1 with the higher-level controller. In addition,
drive 2 receives its speed setpoint directly from drive 1 (actual speed).
Figure A-13 Communication with the higher-level controller and between the drives with direct data exchange
Setting direct data exchange in the control
Procedure
Proceed as follows to set direct data exchange in the control:
1. In HW Config in drive 2 (subscriber), insert a direct
data exchange object, e.g. "Slave-to-slave, PZD2".
2. With a double-click, open the dialog box
to make additional settings for the direct
data exchange.
454
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB