Oganization Blocks (OB)
101
S7-400 Instruction List
A5E00267845-01
Organization Blocks (OB), continued
Organization
Blocks
CPU
412
CPU
414
CPU
414-4H
CPU
416
CPU
417
CPU
417-4H
Start Events
(Hexadecimal Values)
Hardware interrupts
OB 40
x
x
x
x
x
x
1141, 1142, 1143, 1144, 1145
OB 41
x
x
x
x
x
x
1141, 1142, 1143, 1144, 1145
OB 42
x
x
x
x
x
1141, 1142, 1143, 1144, 1145
OB 43
x
x
x
x
x
1141, 1142, 1143, 1144, 1145
OB 44
x
x
x
1141, 1142, 1143, 1144, 1145
OB 45
x
x
x
1141, 1142, 1143, 1144, 1145
OB 46
x
x
x
1141, 1142, 1143, 1144, 1145
OB 47
x
x
x
1141, 1142, 1143, 1144, 1145
Interrupt OBs for DPV1:
OB 55
x
x
x
x
x
x
1155
OB 56
x
x
x
x
x
x
1156
OB 57
x
x
x
x
x
x
1157