Siemens SIMATIC ET 200pro - STEP 7 Program Example for Acyclic Communication

Appendix
A.2 STEP 7 program examples
SIMATIC ET 200pro FC-2 converter
Operating Instructions, 04/2015, FW V4.7.3, A5E34257324B AB
233
A.2.3
STEP 7 program example for acyclic communication
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 info
r-
mation can be found under
http://support.automation.siemens.com/WW/view
/de/15364459
(
http://support.automation.siemens.com/WW/vie
w/en/15364459
).