Part Number - CJ1W-CLK21-V1

Product PDF: pdf image

CJ1W-CLK21-V1 is

In Stock Ships Today!In Stock Ships Today!

Contact us to place an order or request a quote:

1-800-479-8084 | sales@trwsupply.com

Rate the CJ1W-CLK21-V1
4.4/5 on 5 reviews

Product Details

  • CJ1 Control Module with a Link Network (CJ1WCLK21V1)
  • Manufacturer: Omron
  • Series: CJ1

Product Description

The Omron CJ1W-CLK21-V1 (CJ1WCLK21V1) is a CJ1 series control module with a link network component. This control module with link network has a current consumption of 0.35V when the voltage is at 5V. The number of words this link control module can tolerate is 1,000 with a message length of 2,012 bytes at maximum. The transmission speed and distance of the CJ1W-CLK21-V1 is 500 meters for 2Mbits/s, 800 meters for 1Mbits/s, or 1km for 500kbits/s.

The number of modules the CJ1W-CLK21-V1 control module with a link network can be connected with depends on the system utilized. In the CJ1 series system, eight units may connect per CPU, only two units in the CP1H system, and eight units in the NSJ system if an expansion backplane is used.

The CJ1W-CLK21-V1 control module with link network has four types of link network switches. The unit number switch, the uppermost of the switches, is a rotary switch designating the unit number this control module is on the PLC. The other two switches below the unit number switches are the node address switches. These define the node address of the CJ1W-CLK21-V1 control module is in the link network. There is a DIP switch with two pin that manage the baud rate of the control module. The last switch is the terminating resistance slide switch which can turn on this resistance for the nodes places on either side of the module. There are also three screw terminals. The first is named ‘BD H’ which is for high communication data; the next one is called ‘BD L’ which deals with low communication data. The last one is a shield with the appropriate name ‘SHLD’.

Here is the source material that may have been referenced:

Technical Specifications

Part Number: CJ1W-CLK21-V1 (CJ1WCLK21V1)
Module Type: Control Module with a Link Network
Number of Words: 1,000 Word
Weight: 0.241lbs (0.11kg)

Related Parts

CJ1M-CPU12 - Omron CJ1 Programmable Control Module (CJ1MCPU12)
CJ1M-CPU13 - Omron CJ1 Control Module (CJ1MCPU13)
CJ1M-CPU21 - Omron CJ1 Control Module (CJ1MCPU21)

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 CJ1W-CLK21-V1 comes with a two year warranty.
  • A three year warranty is available. Please inquire for pricing.

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. TRW Electric & Supply has many new and refurbished Omron CJ1 parts available for purchase.

Authorized Distributor small