Part Number - CJ1M-CPU12

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Product Details

  • CJ1 Input Output Control Module (CJ1MCPU12)
  • Manufacturer: Omron
  • Series: CJ1

Product Description

The Omron CJ1M-CPU12 (CJ1MCPU12) is a control module with input output points from the CJ1 series. The maximum number of input output points is 320pt with the maximum of 10 units and no expansion racks. The program capacity is 10K steps. The modules data area memory capacity is 32K words, all of them are part of the data memory (DM), and none of them are an extended memory (EM) word.

The Omron CJ1M-CPU12 control module external feature will be explained below. There are two ports: the peripheral and RS-232C port. Both ports can append to programming devices, programming consoles, and host computers. Additionally, the RS-232C port can also connect to general-purpose, and many other mechanisms. The peripheral port is able to be converted to an RS-232C port that can be connected with cables like the CS1W-CN118 and the CS1W-CN[]26. There is also a battery compartment in the CJ1M-CPU12 that uses the CJ1W-BAT01. Then, there is a memory card connector which has a switch and indicator. The indicators manifest with either a green or an orange light. The green light signifies that power is provided to the memory card; orange means that the card is being retrieved.

As part of the Omron configuration, the CJ1M-CPU12 module can attach to other configurations as a master or slave and also an operation interface which would be participate in the system as a slave. Also in the configuration, the CJ1M-CPU12 module would be connected with a power supply module and other specialized control module with the use of the affiliated connectors and sliders.

Here are the source material that may have been referenced:

Technical Specifications

Part Number: CJ1M-CPU12 (CJ1MCPU12)
Module Type: Control Module
Number of Input Output Points: 320
Weight: 1lb (approx.)

Related Parts

CJ1M-CPU21 - Omron CJ1 Control Module (CJ1MCPU21)
CJ1M-CPU13 - Omron CJ1 Control Module (CJ1MCPU13)
CJ1W-DA08C - Omron CJ1 Analog Output Control Module

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 CJ1 Shipping options vary by location. Call for an accurate quote.


  • The Omron CJ1M-CPU12 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 CJ1 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 CJ1 parts available for purchase.

More Information: CJ1M-CPU 12, CJ1MCPU12, CJ1 M CPU12, CJ 1M-CPU 12

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