OVERVIEW

Official designation: Omron CPM2A-20CDR-A (CPM2A Series, Programmable Controller)

Role/Application: This compact brick-style PLC provides essential automation control with 20 total I/O points, relay outputs, and AC power supply, suitable for small-scale, space-constrained industrial applications.

KEY SPECS SUMMARY

Power: 100 to 240 VAC

Interfaces / Ports: RS-232C, Peripheral port

Indicators: Multiple status LEDs

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: Max 120 I/O points expansion

Limit: 12 DC inputs, 8 relay outputs

Lifecycle: Discontinued, Replaced by CP1E

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum power consumption and inrush current for the AC unit?

A: Maximum power consumption is 60 VA, with an inrush current of 60 A max.

Wiring & Installation:

Q: What are the primary connection terminals and their screw size?

A: Connections use removable terminals with an M3 screw size for wiring.

Troubleshooting & Compatibility:

Q: What is the minimum power interrupt time guaranteed for the AC supply model?

A: The AC power supply guarantees a minimum power interrupt time of 10 ms.

Replacement & Upgrades:

Q: Which Omron PLC series is the recommended replacement for the CPM2A?

A: The recommended replacement series is the CP1E, requiring program and wiring changes.