OVERVIEW

Official designation: Omron CJ1G-CPU43H (CJ1G, Programmable Logic Controller CPU)

Role/Application: High-performance CPU module for the modular Omron CJ1 PLC series, managing industrial control programs and system data with a fast processing speed and flexible I/O capacity.

KEY SPECS SUMMARY

Power: 0.91 A max at 5 VDC

Interfaces / Ports: Peripheral, RS-232C

Indicators: RUN, ERR, COMM, PERIPH LEDs

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: Omron CJ1 I/O Bus

Limit: 960 I/O points, 20 K steps program

Lifecycle: Discontinued, replacement CJ2M-CPU13

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the minimum execution time for the basic LD instruction on the CJ1G-CPU43H?

A: The minimum execution time for the LD instruction is a very rapid 0.04 microseconds.

Wiring & Installation:

Q: What are the required height and depth dimensions of the CJ1G-CPU43H for control panel mounting?

A: The unit dimensions are 90 mm high and 65 mm deep, excluding connectors and terminal blocks.

Troubleshooting & Compatibility:

Q: What is the total data memory capacity and how is it split within the CPU unit?

A: Total data memory is 64 Kwords, split into 32 Kwords of DM and 32 Kwords in one EM bank.

Replacement & Upgrades:

Q: What is the recommended upgrade path for the CJ1G-CPU43H model and what is the caution for replacement?

A: The recommended replacement is the Omron CJ2M-CPU13, but the programming console cannot be used with CJ2 CPU units.