OVERVIEW

Official designation: Omron CJ1H-CPU65H (CJ1 Series, High Performance CPU Unit)

Role/Application: A high-speed CPU for CJ1 PLCs providing advanced control functionality and large memory capacity for complex industrial automation tasks.

KEY SPECS SUMMARY

Power: 5 VDC 0.99 A max (internal)

Interfaces / Ports: Peripheral port and RS-232C port

Indicators: Refer to the latest manufacturer manual.

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: CJ1 Series PLC I/O Bus

Limit: 2,560 I/O points, 40 modules total

Lifecycle: Obsolete, replacement is CJ2M/CJ2H Series

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the total data memory capacity and how is it organized in the CPU unit?

A: The total data memory is 128K words, including 32K words of DM and 3 banks of 32K words of EM.

Wiring & Installation:

Q: What are the main physical dimensions of the CPU module for panel layout and mounting?

A: The height is 90 mm, the width is 31 mm, and the depth is 65 mm.

Troubleshooting & Compatibility:

Q: What is the minimum basic instruction execution time for the ladder logic processing?

A: The minimum basic instruction execution time is 0.02 microseconds (20 ns).

Replacement & Upgrades:

Q: What is the recommended replacement series for the discontinued CJ1H-CPU65H unit?

A: The recommended replacement is the Omron CJ2M or CJ2H Series CPU Units.