Part Number - CQM1H-CPU51

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Product Details

  • CQM1 Input Control Module (CQM1HCPU51)
  • Manufacturer: Omron
  • Series: CQM1

Product Description

The Omron CQM1H-CPU51 (CQM1CPU51) of the CQM1 series is a programmable controller CPU module which has a voltage of 24VDC and 10mA, and an I/O capacity of 512 points. 16 DC input points are integrated in. The CQM1H-CPU51 module’s Data memory capacity is 6 kWords and its program capacity is 7.2 kWords. The CPU module is also furnished with four inputs that can be utilized alternately as interrupt inputs thanks to interrupt control. This controller can permit and indispose interrupt processing.

The CQM1H-CPU51 programmable controller contains a port for a RS-232C cable for communication with extraneous equipment. Programming equipment, like a programming console or other such device, may be connected to the CQM1H-CPU51 module’s mini-peripheral port. On the CPU’s upper left corner there is a battery compartment; opening this receptacle will allow admission to the DIP switch, memory cassette, and the battery. This CPU unit also supports two inner boards and one controller link unit.

Up to 11 units can be mounted to this CPU as long as current consumption does not surpass 2.0 Amps or five unit maximum if current does not surpass 3.0 Amps. If connected to the Control Link Network, CQM1H’s will have control circulated between each other. Since the CQM1H-CPU51 is part of the CQM1H series, it does not necessitate a backplane to be arranged. The CQM1H-CPU51 may be joined to other Omron units by connectors fixed into module and assured by slides on the sides of the CPU, and can be fastened to a DIN rail.

Technical Specifications

Module Type: Programmable Controller CPU Module CQM1H-CPU51
Number of Inputs: 16pt (DC)
Weight: 1 lb (Approx.)

Shipping and Order Information

  • TRW Supply can usually ship in stock items same day before 3:30 PM EST for no extra cost and before 5 PM with a rush fee
  • Omron CQM1 Shipping options vary by location. Call for an accurate quote.


  • The Omron CQM1H-CPU51 comes with a one-year warranty.

Additional Information

TRW Electric & Supply Company is a global automation supplier. We deliver reliable new and refurbished parts at a great value. Our product focus is Omron and Mitsubishi products, but we have been able to provide our customers with solutions from other manufacturers as well. Our goal is to supply the automation industry with the best service and pricing, and of course conduct business with a high level of integrity.

Authorized Distributors

A Omron Authorized Distributor for CQM1 is not the only source for Omron products. Many of the Omron products have been discontinued and therefore are no longer available from authorized suppliers. Omron Authorized Supplier of Omron Automation. TRW Electric & Supply has many new and refurbished Omron CQM1 parts available for purchase.

More Information: CQM1H-CPU51, CQM1HCPU51, CQM1H CPU51, CQM1H-CPU 51

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