Siemens SINAMICS G120 - Configuring Slave-To-Slave Communication in STEP 7

Appendix
A.7 Application examples
Inverter with CU230P-2 Control Units
444 Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
A.7.4
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.