Functions
5.11 Operation in fieldbus systems
CU240S and CU240E Control Units, FW 3.2
Operating Instructions, 03/2009, A5E02440075B AA
191
Figure 5-39 STEP 7 program example for acyclic communication - OB1
Flags 9.0 to 9.3 specify whether parameters are read or written:
● M9.0: request to read parameters
● M9.1: request to write parameters
● M9.2: displays the read process
● M9.3: displays the write process
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