Step 7 Program Example For Acyclic Communication - Siemens SINAMICS G120 Original Instructions Manual

Appendix
A.7 Application examples
HEX
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A.7.3.3

STEP 7 program example for acyclic communication

440
BIN Bit in Significance
STW1
1 10 PLC control
0 11 Setpoint inversion
0 12 Irrelevant
0 13 Motorized potentiometer ↑
0 14 Motorized potentiometer ↓
0 15 Data set changeover
Bit in Bit in
MW1 MB1
2 2
3 3
4 4
5 5
6 6
7 7
M9.0 Starts reading parameters
M9.1 Starts writing parameters
M9.2 Displays the read process
M9.3 Displays the write process
The number of simultaneous requests for acyclic
communication is limited. More detailed
information can be found under
http://support.automation.siemens.com/WW/view
/de/15364459
(http://support.automation.siemens.com/WW/vie
w/en/15364459).
Inverter with CU230P-2 Control Units
Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
Bit in Inputs
MB2