Special memory (SM) and system symbol names
D.29 SMB1400-SMB1699: EM (expansion module) module-specific data
S7-200 SMART
System Manual, 09/2015, A5E03822230-AC
691
SMB1400-SMB1699: EM (expansion module) module-specific data
The CPU reserves an additional 50 bytes for each expansion module for read-only module-
specific data:
EM bus Slot 0: Module specific information
SMB1450 to SMB1499 EM bus Slot 1: Module specific information
EM bus Slot 2: Module specific information
EM bus Slot 3: Module specific information
EM bus Slot 4: Module specific information
EM bus Slot 5: Module specific information
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