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Appendix A

Standard Models

CPU Boards

Appearance Relay outputs Transistor outputs
(sinking) Internal clock.
RS-232C port,
and battery
Number of
inputs Number of
outputs
CPM2B-32C1DR-D --- No 16 points 16 points
CPM2B-32C2DR-D --- Yes
--- CPM2B-32C1DT-D No
--- CPM2B-32C2DT-D Yes

Accessories: Four studs, four M3 screws

Expansion I/O Boards

Appearance Relay outputs Transistor outputs
(sinking) Power supply Number of
inputs Number of
outputs
CPM2B-32EDR --- --- 16 points 16 points
--- CPM2B-32EDT --- 16 points 16 points

Accessories: Four long studs, four M3 screws

Expansion I/O Cable

Appearance Model Specifications
CPM2B-CN601 Connects an Expansion I/O Board to the CPU Board or another Expansion
I/O Board. (This cable is identical to the cable supplied with an Expansion
I/O Board.)

Mounting Bracket

Appearance Model Specifications
CPM2B-ATT01 Includes four M3 × 4 mounting screws.
Note The CPM2B-ATT01 Mounting Bracket is required when the system must
meet UL/CSA standards.