Omron

Omron CJ1W-FLN22 CJ Series FL-net Interface Module

SKU CJ1W-FLN22

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

  • Product No.: CJ1W-FLN22

  • Country of origin:Japan

  • Product Type: PLC Communication Modules

  • Payment: T/T, Western Union

  • Weight: 500g

  • Dimensions: 31 mm x 90 mm x 65 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

Designed to facilitate seamless industrial Ethernet-based communications across mixed-manufacturer control systems, the Omron CJ1W-FLN22 functions as a high-reliability FL-net interface module within the CJ-series automation architecture. This module operates as a dedicated CPU Bus Unit, enabling deterministic data exchange and real-time inter-controller links between Omron systems and third-party PLCs or CNCs conforming to the FL-net (OPCN-2) standard. Operating on an efficient 5 VDC internal bus supply, this module combines low power consumption with robust industrial-grade noise isolation to ensure stable, non-stop network performance in demanding factory automation systems.

Key Features

  • Multivendor Compatibility: Full compliance with the FL-net standard allows seamless network integration with controllers from various manufacturers.
  • Standardized Media Access: Employs the CSMA/CD access protocol, optimizing network traffic regulation over industrial star topologies.
  • Efficient Power Profile: Low internal bus current draw of 370 mA max at 5 VDC, minimizing heat dissipation inside the PLC rack.
  • Industrial Durability: Conforms to JIS C0041 shock resistance standards (147 m/s2) for reliable deployment in high-vibration applications.
  • Compact Form Factor: Standard CJ-series width slot alignment enables high-density layout configurations within compact enclosures.

Applications

  • Inter-PLC communication links in automotive assembly lines.
  • Process coordination between machine controllers and HMI/SCADA master systems.
  • Distributed control architectures in municipal water and wastewater treatment facilities.
  • Multi-axis machine tool synchronization involving CNCs and auxiliary PLCs.

Technical Specifications

Parameter Specification
Manufacturer Omron Corporation
Model Number CJ1W-FLN22
Unit Classification CJ-series CPU Bus Unit
Media Access Protocol CSMA/CD
Transmission Path / Topology Star Topology
Current Consumption 370 mA max. at 5 VDC
Shock Resistance Conforms to JIS C0041 (147 m/s2, three times each in X, Y, and Z axes)
Operating Humidity 10% to 90% RH (non-condensing)
Operating Atmosphere Must be free from corrosive gases
Dimensions (W x H x D) 31 mm x 90 mm x 65 mm
Net Unit Weight 0.1 kg
Shipping Weight (Calculated) 1.5 kg (inclusive of packaging materials)

Connections and Interfaces

Interface / Port Description & Function
RJ45 Ethernet Connector Standard 10Base-T / 100Base-TX physical interface connection point for FL-net networking.
Front-Panel LEDs Indicates network status, RUN mode, and active transmission errors.
Rotary Switches Local hardware address configuration (Node ID assignment).

Empirical Engineering Insights

Alternative Models & Compatibility

This unit directly replaces older CJ1W-FLN02 legacy modules. While backward compatible in basic cyclic transmission modes, users must verify that the corresponding CPU rack firmware supports the advanced routing capabilities of the FLN22. Check unit revision letters on the side panel label before commissioning parallel networking topologies.

Application Pitfalls & Engineering Notes

Do not operate this CPU Bus Unit adjacent to high-current output cards or AC contactors. Radiated EM noise can disrupt packet delivery cycles over the CSMA/CD layer, leading to network timeouts. Ensure the cabinet temperature remains below 55 degC, as thermal saturation in sealed enclosures can cause intermittent communication drops.

Commissioning & Wiring Tips

Always use Category 5e (or higher) double-shielded twisted-pair (STP) cabling with metal-hooded RJ45 plugs. Ground the cable shield at the switch side only, or follow the system-wide equipotential bonding guidelines to prevent ground loop currents from flowing through the communication port.

Installation Guidelines

CRITICAL WARNING:

Disconnect all power sources to the PLC rack and output modules before mounting or removing the CPU Bus Unit. Failure to completely isolate power can result in terminal damage, backplane failure, or unexpected system startup.

1

Align the upper and lower locking catches of the module with the slots on the CJ-series backplane.

2

Carefully press the module straight onto the bus connector until the locking levers click firmly into place.

3

Configure the hardware node switch on the front panel to the desired address, avoiding overlapping node configurations.

4

Connect the shielded RJ45 Ethernet cable, verifying that the connector latch locks securely to prevent loose-fit faults.

FAQ

What is the primary function of the CJ1W-FLN22 module?

It serves as an FL-net interface module within an Omron CJ-series PLC rack, enabling deterministic, real-time communication with multi-vendor controllers supporting the FL-net standard.

Does this module require external power supply?

No, it is powered directly through the CJ-series backplane, consuming a maximum current of 370 mA at 5 VDC.

What cable type is recommended for industrial wiring?

Double-shielded twisted-pair (STP) Category 5e or higher is recommended to maintain signal integrity and avoid electromagnetic interference in factory environments.

How do you configure the network node address?

The node address is set manually using the physical rotary switches located on the front face of the module.

View all FAQs →

Quantity
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.
Reviews
1 of 1
Only 8 item(s) left in stock
Quantity
View full details

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

Technical knowledge

Commissioning OPC UA in KEPServerEX: A Field Checklist

A practical commissioning sequence for KEPServerEX OPC UA connections: define data ownership, test tags locally, configure endpoint and certificate trust, limit access, then verify failure recovery...

Set a PLC Commissioning Laptop IP Without Losing Access

Commissioning an Ethernet-connected PLC often starts with the laptop, not the controller. Learn how to record existing settings, choose a temporary address, test connectivity, and restore the plant...

Designing Automation for Combustible Dust Hazards

Combustible dust controls require more than alarms. Learn how to map dust generation, select instrumentation, design interlocks, handle failed feedback, test safe states, and maintain the full...

Hairpin Stators: Benefits, Limits, and Inspection

Hairpin windings raise slot fill and support compact traction motors, but conductor geometry, AC losses, insulation damage, weld quality, and cooling determine whether the design meets its targets.

Using Ansible for Controlled SCADA Server Changes

Use Ansible to standardize SCADA server changes without expanding OT risk. This guide covers inventories, idempotent playbooks, staged testing, credentials, logging, and practical rollback controls.

Securing Remote PLC Access Beyond the VPN

A VPN encrypts the path to an industrial network, but secure remote PLC work also needs identity controls, segmented access, change approval, logging, safe operating boundaries, and tested recovery...