Mitsubishi Electric CJ1/CJ1M PLC User Manual

The SYSMAC CJ1/CJ1M PLC User Manual provides configuration, specifications, and operation details for the CJ1 and CJ1M programmable controllers.

Brand: Mitsubishi Electric
Category: Automation control Equipment
Document type: User Manual
Language: English
Pages: 109
File format: PDF
File size: 13.4 MB
Published: 30 September, 2026
Updated: 30 September, 2026
MD5 checksum: 33D240064C9961B90AAB7D484601B7F5
PDF: Mitsubishi Electric CJ1/CJ1M PLC User Manual PDF

About this manual

This manual describes the hardware and software features of the SYSMAC CJ1/CJ1M PLC family. It covers system configuration, CPU options, I/O modules, power requirements, and wiring guidelines.

The document also explains communication interfaces such as RS‑232C, RS‑422A/485, Ethernet (100BASE‑TX), DeviceNet, CompoBus, and provides instructions for programming with CX‑Programmer and CX‑One tools.

What's inside

CPU Options
I/O Modules
Power Supply
Communication Interfaces
Installation and Wiring
Programming Software
Troubleshooting
Specifications

Specifications

CPU type	CJ1G‑CPU44
Memory size	2560 words
Power supply voltage	24 V DC, 0.8 A
Ethernet speed	100BASE‑TX
Supported serial interfaces	RS‑232C, RS‑422A/485

Frequently asked questions

What power supply does the CJ1/CJ1M PLC require?

It operates from a 24 V DC supply with a typical current draw of 0.8 A.

What is the maximum memory capacity of the CJ1/CJ1M CPU?

The CPU provides 2560 words of memory.

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