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Omron CJ1W-EIP21 EtherNet/IP Communication Module for CJ Series PLCs

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Omron CJ1W-EIP21

by Omron

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OverviewThe Omron CJ1W-EIP21 is an advanced EtherNet/IP communication module designed for integration with Omron CJ Series PLCs. This unit enables high-speed, real-time data exchange across industrial Ethernet networks, making it a key component for modern automation systems. With support for 100Base-TX Ethernet and Tag Data Link (TDL) functions, it ensures smooth integration and efficient data flow between Omron and compatible third-party devices. Its versatile design supports various network topologies, offering flexibility and reliability in diverse industrial settings. The CJ1W-EIP21 empowers your control systems with enhanced connectivity and streamlined communication capabilities.Key Features EtherNet/IP Integration: Provides industrial communication through rapid 100Base-TX Ethernet. Tag Data Exchange: Supports up to 256 connections for efficient cyclic data exchange, optimizing network performance. Multiple Communication Channels: Features two sockets for TCP/UDP communication and two distinct sockets for Tag Data Link, enabling flexible communication protocols. Adaptable Network Layouts: Compatible with star, line, and ring network configurations when used with appropriate switches, offering flexible system design. Integrated Web Interface: Simplifies diagnostics and configuration management, enabling quick and easy troubleshooting. MAC Address Identification: A physical label on the unit displays the MAC address, simplifying identification and management on complex Ethernet networks. DIN Rail Mounting: Designed for easy and secure installation into standard control panels, saving installation time and effort. Technical Specifications Model Designation: CJ1W-EIP21 Product Line: CJ Series Communication Protocol: EtherNet/IP (100Base-TX) Connection Type: RJ45 Maximum Tag Data Links: 256 Total Link Points Supported: 7168 Available Sockets: 2 for Tag Data Link 2 for TCP/UDP communication Supported Protocols: EtherNet/IP, TCP/IP, UDP/IP, FTP, HTTP IP Address Configuration: Adjustable via rotary switches or software for flexible network setup. Power Consumption: 400 mA max at 5V DC Environmental Temperature Range: 0°C to +55°C Physical Dimensions: 90 mm (H) × 31 mm (W) × 89 mm (D) Unit Mass: Approximately 130 g Certifications Obtained: CE, cULus, RoHS, ensuring adherence to international safety and environmental standards. Applications Industrial Network Connectivity: Ideal for linking PLCs, Human Machine Interfaces (HMIs), sensors, and motor drives within a unified, high-performance Ethernet network. Distributed I/O Systems: Enables efficient and reliable exchange of real-time data for remote I/O applications over EtherNet/IP. SCADA & MES Integration: Facilitates robust communication with Supervisory Control and Data Acquisition (SCADA) and Manufacturing Execution Systems (MES) for enhanced plant-wide control and data analysis. OEM Equipment Control: Supports the development of modular and networked machine architectures, providing scalable and flexible communication solutions for Original Equipment Manufacturers. Why Choose This Model?The Omron CJ1W-EIP21 is an excellent selection for improving your essential industrial automation infrastructure. Its high-performance capabilities ensure real-time data handling, which is crucial for time-sensitive applications where precision and speed are essential. Designed for effortless integration, this module is fully compatible with Omron CJ Series PLCs and interoperable with a wide array of other EtherNet/IP-enabled devices, maximizing your system’s capabilities. Its flexible networking features, including support for various topologies and advanced diagnostic tools, provide robust and adaptable solutions for complex industrial environments. Furthermore, the CJ1W-EIP21 is engineered for dependable communication, guaranteeing consistent and stable Ethernet-based automation, minimizing downtime, and optimizing operational efficiency.Order NowElevate your industrial automation system with the Omron CJ1W-EIP21 EtherNet/IP communication module. Contact us today to place your order or learn more about how this module can benefit your operations.FAQWhat is the primary function of the Omron CJ1W-EIP21?The Omron CJ1W-EIP21 is an EtherNet/IP communication module that facilitates high-speed, real-time data exchange across industrial Ethernet networks for Omron CJ Series PLCs.What network topologies does the CJ1W-EIP21 support?The CJ1W-EIP21 supports star, line, and ring network configurations when used with appropriate switches, offering flexible system design for various industrial environments.How does the CJ1W-EIP21 simplify diagnostics and configuration?The module features a built-in web server that simplifies diagnostics and configuration management, enabling quick and easy troubleshooting for network administrators.What certifications does this module hold?The CJ1W-EIP21 holds CE, cULus, and RoHS certifications, ensuring its compliance with international safety and environmental standards.Can the Omron CJ1W-EIP21 be used with third-party devices?Yes, the CJ1W-EIP21 is designed for seamless integration and efficient data flow between Omron PLCs and compatible third-party EtherNet/IP-enabled devices.

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$675.00
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PRODUCT DETAILS

Omron CJ1W-EIP21

Overview

This is a genuine Omron component from the Omron PLCs family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Omron catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Omron automation ecosystem
  • Engineered to integrate inside Omron PLCs installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Omron equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Omron catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Omron platform with documented conversion notes for the Omron PLCs family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model Designation: CJ1W-EIP21
  • Product Line: CJ Series
  • Communication Protocol: EtherNet/IP (100Base-TX)
  • Connection Type: RJ45
  • Maximum Tag Data Links: 256
  • Total Link Points Supported: 7168
  • Available Sockets:
    • 2 for Tag Data Link
    • 2 for TCP/UDP communication
  • Supported Protocols: EtherNet/IP, TCP/IP, UDP/IP, FTP, HTTP
  • IP Address Configuration: Adjustable via rotary switches or software for flexible network setup.
  • Power Consumption: 400 mA max at 5V DC
  • Environmental Temperature Range: 0°C to +55°C
  • Physical Dimensions: 90 mm (H) × 31 mm (W) × 89 mm (D)
  • Unit Mass: Approximately 130 g
  • Certifications Obtained: CE, cULus, RoHS, ensuring adherence to international safety and environmental standards.

Applications

  • Industrial Network Connectivity: Ideal for linking PLCs, Human Machine Interfaces (HMIs), sensors, and motor drives within a unified, high-performance Ethernet network.
  • Distributed I/O Systems: Enables efficient and reliable exchange of real-time data for remote I/O applications over EtherNet/IP.
  • SCADA & MES Integration: Facilitates robust communication with Supervisory Control and Data Acquisition (SCADA) and Manufacturing Execution Systems (MES) for enhanced plant-wide control and data analysis.
  • OEM Equipment Control: Supports the development of modular and networked machine architectures, providing scalable and flexible communication solutions for Original Equipment Manufacturers.

Why Choose the CJ1W-EIP21?

The Omron CJ1W-EIP21 is an excellent selection for improving your essential industrial automation infrastructure. Its high-performance capabilities ensure real-time data handling, which is crucial for time-sensitive applications where precision and speed are essential. Designed for effortless integration, this module is fully compatible with Omron CJ Series PLCs and interoperable with a wide array of other EtherNet/IP-enabled devices, maximizing your system’s capabilities. Its flexible networking features, including support for various topologies and advanced diagnostic tools, provide robust and adaptable solutions for complex industrial environments. Furthermore, the CJ1W-EIP21 is engineered for dependable communication, guaranteeing consistent and stable Ethernet-based automation, minimizing downtime, and optimizing operational efficiency.

Availability & Shipping

  • In stock: CJ1W-EIP21 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every CJ1W-EIP21 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Omron

The Omron CJ1W-EIP21 is an EtherNet/IP communication module that facilitates high-speed, real-time data exchange across industrial Ethernet networks for Omron CJ Series PLCs.

Machine down? We ship parts the same day.

New, surplus, and refurbished Omron inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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