OVERVIEW

Official designation: Omron CJ1M-CPU12 (CJ1M, CPU Unit)

Role/Application: Standard CPU module for the CJ1 series, providing efficient and scalable control with a fast execution speed for applications with lower I/O counts and shorter programs.

KEY SPECS SUMMARY

Power: 0.58 A max at 5 VDC

Interfaces / Ports: Peripheral, RS-232C, Memory Card

Indicators: RUN, ERR, COMM, PERIPH LEDs

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: Omron CJ1 I/O Bus, DIN Track Mount

Limit: 320 I/O points, 10 K steps program

Lifecycle: Obsolete, replacement CJ2M-CPU12

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the data memory capacity of the CJ1M-CPU12 and is extended memory available?

A: Data memory is 32 Kwords total, consisting only of DM with no extended memory (EM) available.

Wiring & Installation:

Q: What are the primary dimensions of the CJ1M-CPU12 CPU unit for installation space planning?

A: The unit dimensions are 90 mm high and 65 mm deep.

Troubleshooting & Compatibility:

Q: What standard programming methods are supported by the CJ1M-CPU12 unit?

A: The CPU supports Ladder Logic, Sequential Function Charts, Structured Text, and Mnemonic programming.

Replacement & Upgrades:

Q: What is the recommended upgrade path for the obsolete CJ1M-CPU12?

A: The recommended successor is the Omron CJ2M-CPU12 module.