OMRON CPU Backplane CS1W-BC053
Product name: CPU Backplane.
Model: CS1W-BC053.
I/O slots: 5 slots.

OMRON CPU Backplane CS1W-BC033
Product name: CPU Backplane.
Model: CS1W-BC033.
I/O slots: 3 slots.

OMRON CPU Backplane CS1W-BC052
Model: CS1W-BC052.
For CS-series Unit only(C200H-series Units cannot be mounted.)
5 slots

OMRON CPU Backplane CS1W-BC082
Model: CS1W-BC082.
For CS-series Unit only(C200H-series Units cannot be mounted.)
8 slots

OMRON CPU Backplane CS1W-BC083
Product name: CPU Backplane.
Model: CS1W-BC083.
I/O slots: 8 slots.

OMRON CPU Backplane CS1W-BC023
Product name: CPU Backplane.
Model: CS1W-BC023.
I/O slots: 2 slots.

OMRON CPU Backplane CS1W-BC032
Model: CS1W-BC032.
For CS-series Unit only(C200H-series Units cannot be mounted.)
3 slots

OMRON CPU Backplane CS1W-BC022
Model: CS1W-BC022.
For CS-series Unit only(C200H-series Units cannot be mounted.)
2 slots(Note: Expansion Racks cannot be connected.)