The Omron CQM1-CPU21 is a CPU unit for the SYSMAC CQM1 modular compact PLC family. The CQM1 uses a rack-less design in which the CPU, power supply, and I/O units clip together on DIN rail, and the CPU21 includes 16 built-in 24 VDC inputs plus an RS-232C port for host link or general-purpose serial communication.
It is a common replacement CPU for legacy CQM1 machine control systems in packaging, assembly, and general industrial equipment.
Technical Specifications
Series
SYSMAC CQM1
Unit type
PLC CPU unit
Built-in inputs
16 x 24 VDC
Program capacity
3.2K words
Communication
RS-232C port, peripheral port
Mounting
DIN rail, CQM1 block
Status
Legacy series; sold as replacement stock
Eligible for next day delivery
Orders placed before 4 PM ET ship same day for rapid replacement, minimizing downtime.
All products are covered by Industrial Automation Co.'s 2-Year Warranty.
Condition
SKU
Price
Warranty
Availability
Quantity
Purchase
New
CQM1-CPU21-FS
€672,95 EUR
2 Year Extended Warranty
1 In Stock in the United States!
Extend your warranty coverage at checkout2 yrs included free
Pricing for this item — you’ll pick a term on the checkout page.
Extended plans are available at checkout on items $200 and up.
+1 yr → 3 total$101/yr€100,94 · thru 2029
+3 yrs → 5 total$90/yr€269,18 · thru 2031
+5 yrs → 7 total$67/yr€336,47 · thru 2033
BEST VALUE+8 yrs → 10 total$50/yr€403,77 · thru 2036
Full defect protection · free RMA evaluation & repair · same‑day replacement when in stock
Description
The Omron CQM1-CPU21 is a CPU unit for the SYSMAC CQM1 modular compact PLC family. The CQM1 uses a rack-less design in which the CPU, power supply, and I/O units clip together on DIN rail, and the CPU21 includes 16 built-in 24 VDC inputs plus an RS-232C port for host link or general-purpose serial communication.
It is a common replacement CPU for legacy CQM1 machine control systems in packaging, assembly, and general industrial equipment.
Technical Specifications
Series
SYSMAC CQM1
Unit type
PLC CPU unit
Built-in inputs
16 x 24 VDC
Program capacity
3.2K words
Communication
RS-232C port, peripheral port
Mounting
DIN rail, CQM1 block
Status
Legacy series; sold as replacement stock
Documentation
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Send in your item for a free evaluation and repair quote. Use our RMA form or email a repair request to service@iac.us.com , and we will contact you to assess your situation and offer shipping information.
Technical Support
Need help with installation, configuration, or troubleshooting? Our technical experts are available to assist you.
Industrial Automation Co. is a premier supplier of replacement and aftermarket industrial components. In addition to the CQM1-CPU21, we offer hundreds of Omron parts available now in our warehouse. Most of our automation components ship on the same day and are covered by our two-year service warranty. Contact us to order your Omron replacement parts today.