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OVERVIEW
Official designation: Omron CQM1H-CPU21 (SYSMAC CQM1H Series, PLC CPU Module)
Role/Application: A compact, modular Programmable Logic Controller CPU with 16 built-in DC inputs, providing high-speed control for small to medium automation systems.
KEY SPECS SUMMARY
Power: 840 mA max at 5 VDC
Interfaces / Ports: RS-232C port, Peripheral port
Indicators: Refer to the latest manufacturer manual.
Operating Temp: 0 degrees C to 55 degrees C
Platform / Compatibility: SYSMAC CQM1H Series, 16 units max
Limit: 7.2 kwords program, 6 kwords DM area
Lifecycle: Obsolete, produced until March 2012
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What is the maximum number of I/O points supported by the CQM1H-CPU21 system?
A: The CQM1H series supports up to 512 I/O points across a maximum of 16 expansion units.
Wiring & Installation:
Q: What are the primary dimensions for the CQM1H-CPU21 unit for cabinet layout?
A: The CPU unit dimensions are 110 millimeters high and 107 millimeters deep.
Troubleshooting & Compatibility:
Q: Can the RS-232C port on the CPU unit be configured for RS-485 communication?
A: The built-in RS-232C port is fixed; RS-485/RS-422A requires the CQM1H-SCB41 Inner Board.
Replacement & Upgrades:
Q: What is the primary replacement series for the discontinued Omron CQM1H-CPU21?
A: The Omron CJ2M Series is the general recommended successor for the CQM1H family.
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| Category | Details |
|---|---|
| Product Name | See this page for details |
| Model Name | See this page for details |
| Certification or Licensing Information Required by Law | See this page for details |
| Country of Manufacture or Origin | See this page for details |
| Manufacturer | See this page for details |
| After-sales Service Contact or Customer Support Number | See this page for details |
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