Configuring Slave-To-Slave Communication In Step 7 - Siemens SINAMICS G120 CU230P-2 HVAC Operating Instructions Manual

Appendix
A.1 Application examples
A.1.3

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-5 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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Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD