7.2 SFC System Variable
Overview
SFC Visualization requires the following tags for operating and monitoring SFCs:
Tag Required for...
<S7 program>#AsRead Reading data from the AS <S7 program>
<S7 program>#AsWrite Writing data from the AS <S7 program>
@SFCDeltaLoaded Delta download to the OS.
As long as the tag value = 1, the data for SFC Visualization are downloa‐
ded again from the ES.
Appendix
7.2 SFC System Variable
SFC Visualization (V9.0)
90 Programming and Operating Manual, 05/2017, A5E41356392-AA
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