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Hardware Components
1771 I/O Chassis
1-10
1771 I/O Chassis for PLC-5 Family
Processors
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Catalog Number
Chassis Size
Mounting
Backpanel 19” Rack
Power Supply Socket
1771-A1B
4-slot
X
left
1771-A2B
8-slot
X
left
1771-A3B
12-slot
X
X
top
1771-A3B1
12-slot
X
left
1771-A4B
16-slot
X
left
When using these processors with the
1771-A1, A2, and A4 chassis:
Only this mode of addressing is
supported:
Classic PLC-5 processors
2-slot and 1-slot in the local rack
Enhanced and Ethernet PLC-5 processors
2-slot addressing
ControlNet PLC-5 processors
2-slot addressing