Omron

Omron CJ1W-PRT21 CJ1 Series PROFIBUS-DP I/O Link Unit

SKU CJ1W-PRT21

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Omron

  • Product No.: CJ1W-PRT21

  • Country of origin:Japan

  • Product Type: PROFIBUS Communication Modules

  • Payment: T/T, Western Union

  • Weight: 90g

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Industrial networks requiring seamless integration between CJ1-series PLCs and open fieldbus environments utilize the Omron CJ1W-PRT21 PROFIBUS-DP I/O Link Unit. This communication module functions as an intelligent slave on the PROFIBUS-DP network, establishing reliable data exchanges between a PROFIBUS master and the host controller. By mapping internal PLC memory directly to the PROFIBUS network, the CJ1W-PRT21 enables decentralized control layouts and robust distributed I/O configurations.

Features

  • Supports direct integration within the Omron CJ1-series PLC CPU and expansion racks.
  • Features manual PROFIBUS-DP node address setting via integrated front-panel rotary switches.
  • Draws power directly from the PLC backplane, eliminating the need for external module power supplies.
  • Enables high-speed cyclic data exchange for real-time process monitoring and control.

Applications

  • Decentralized automation systems requiring multi-vendor PLC interoperability.
  • Machine-level manufacturing lines integrated into plant-wide PROFIBUS networks.
  • Process automation environments demanding distributed control and remote diagnostics.

Technical Specifications

Manufacturer Omron
Model/Part Number CJ1W-PRT21
Host PLC System CJ1 Series
Maximum Units per PLC 40
Current Consumption 400 mA (maximum) at 5V DC
Operating Temperature 0 to 55 degC
Operating Humidity 10 to 90% (non-condensing)
Address Configuration Rotary switches (Node address 00-99)
Weight 0.09 Kg

Installation Guidelines

  • Ensure the PLC rack is completely powered off before mounting or removing the module.
  • Set the PROFIBUS-DP node address using the two front rotary switches (00 to 99) prior to system initialization.
  • Ensure standard industrial-grade shielded twisted-pair cabling is used for all PROFIBUS-DP connections.
  • Verify that terminating resistors are enabled on physical end nodes of the fieldbus segment.

FAQ

How many Omron CJ1W-PRT21 units can be installed per PLC system?

A maximum of 40 CJ1W-PRT21 PROFIBUS-DP I/O Link Units can be installed on a single CJ1 host PLC system.

Does the CJ1W-PRT21 require an external power supply?

No, the module is powered directly from the CJ1 PLC backplane, with a maximum current consumption of 400 mA at 5V DC.

How do you configure the PROFIBUS node address on this module?

The node address is set manually using the two integrated rotary switches located on the front panel, supporting addresses from 00 to 99.

View all FAQs →

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Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Japan

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