Step 7 Program Example For Acyclic Communication - Siemens SINAMICS G120 CU230P-2 HVAC Operating Instructions Manual

Appendix
A.1 Application examples
A.1.2.2

STEP 7 program example for acyclic communication

330
M9.0
M9.1
M9.2
M9.3
The number of simultaneous requests for acyclic
communication is limited. More detailed
information can be found in the
http://support.automation.siemens.com/WW/view
/de/15364459
(http://support.automation.siemens.com/WW/vie
w/en/15364459).
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Starts reading parameters
Starts writing parameters
displays the read process
displays the write process
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD