Station 2
Station 3
Auto Man Start Stop
PO51 PO52 Fault
1
Fault
2
PY 4 PY 5
PY 120
PY 121
Position and fault messages
IB
QB
QB
IB
Fig. 9.20: Station 3 Sends Acknowledgment, Position and Fault Messages to Station 1
B8976060/02 Communication with Global I/Os
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