Siemens ET 200SP Operating Instructions Manual page 76

Configuration and operation
4.5 Telecontrol communication (CP 1542SP-1 IRC)
Sequence of the analog value preprocessing options
The values of analog inputs configured as an event are processed on the CPU according to
the following scheme:
Figure 4-2 Sequence of the analog value preprocessing
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CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03