Omron CJ1G-CPU43H Programmable Logic Controller
The Omron CJ1G-CPU43H PLC CPU Unit is designed for scalable industrial automation applications requiring additional program capacity and modular control. This Programmable Logic Controller supports up to 960 I/O points with 30 units across 2 Expansion Racks, allowing multiple modules to be integrated into machine and process-control systems. It provides a 20K-step program capacity and 64K words of data memory, consisting of 32K words of DM and 32K words of EM across 1 bank. Its 0.04 μs LD instruction execution supports responsive sequence control, while operation at 0.91 A on 5 V provides stable system performance. The CJ1G-CPU43H combines processing capacity with modular expansion and forms part of the programmable controller range within Omron machine automation.

| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CJ1G-CPU43H |
| Specification | Value |
|---|---|
| Program capacity | 20K steps |
| Data area memory capacity | 64K words (DM: 32K words, EM: 32K words, × 1 bank) |
| Control method | Stored program |
| I/O control method | Cyclic scan and immediate processing are both possible |
| Programming | LD (Ladder), SFC (Sequential Function Chart), ST (Structured Text), Mnemonic |
| LD execution time | 0.04 μs |
| I/O capacity | 960 points |
| Mountable Units | 30 points |
| Mounting method | DIN Track |
The Omron CJ1G-CPU43H is engineered for industrial automation systems that demand reliable loop-control and scalable program execution. Its 960 I/O points across two expansion racks allow seamless interfacing with sensors, actuators, and machine modules. The extended program memory and fast instruction cycle enable efficient handling of complex logic sequences, making it ideal for manufacturing lines, packaging systems, and multi-module automated machinery.
Omron CJ1G-CPU43H is widely deployed in factory automation and process control setups where mid-to-high-level logic and sequential control are essential. Its compact CPU design simplifies panel installation while maintaining organized wiring and easy access for maintenance engineers. System integrators favor this unit for its ability to scale alongside existing Omron PLC architectures while maintaining fast and precise control performance.
Stable power consumption, dependable operation, and robust industrial construction make CJ1G-CPU43H suitable for continuous operation under demanding plant conditions. OEMs, automation companies, and industrial buyers choose this Omron PLC CPU unit for projects that require high I/O capacity, advanced logic processing, loop-control capabilities, and long-term operational reliability in compact automation systems.


