Special memory (SM) and system symbol names
D.18 SMW100-SMW114 System alarms
S7-200 SMART
684 System Manual, 09/2015, A5E03822230-AC
SMW100-SMW114 System alarms
Special memory words SMW100-SMW114 provide alarm and diagnostic error codes for
CPU, SB (signal board), and EM (expansion modules).
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