Omron SYSMAC CQM1H Series Programming Manual

About this manual

This manual provides detailed information for the SYSMAC CQM1H Series programmable controllers, including intended audience, safety precautions, PC setup, inner board configuration, memory area structures, ladder‑diagram programming, and the full instruction set. It also describes host link commands, CPU unit operation, and troubleshooting procedures.

Appendices contain programming instruction examples, error flag definitions, clock usage, I/O assignment sheets, program coding sheets, a list of FAL numbers, and extended ASCII tables. Revision history and distributor information are listed at the end of the document.

What's inside

• Intended Audience
• PC Setup and Other Features
• Inner Boards
• Memory Areas
• Ladder-diagram Programming
• Instruction Set
• Host Link Commands
• Troubleshooting
• Appendices

Frequently asked questions

What does the safety symbol DANGER indicate?

It indicates an imminently hazardous situation that could cause death or serious injury.

What does the abbreviation “PC” stand for in this manual?

The abbreviation “PC” means Programmable Controller.