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CJ1W-EIP21S CJ1W-EIP21S
CJ1W-EIP21S
CJ1W-EIP21S
  1. CJ1W-EIP21S CJ1W-EIP21S
  2. CJ1W-EIP21S
  3. CJ1W-EIP21S

Omron CJ1W-EIP21S EtherNet/IP Communication Unit

£1,237.35 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsOmron
Model CJ1W-EIP21S
Product Type Ethernet Communication Unit
Series CJ1W
Mounting Type DIN rail via CJ-series rack
Unit Type CPU Bus Unit
Dimensions (W × H × D) Refer to datasheet
Communication Protocols Supported EtherNet/IP (CIP) FINS/UDP FINS/TCP
Degree of Protection IP20
Weight (Unpacked) 250 g
Number of Ethernet Ports 1 × RJ45 (100Base-TX)
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SKU: CJ1W-EIP21S Category: Tag: Brand:
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Omron CJ1W-EIP21S EtherNet/IP Communication Unit

The Omron CJ1W-EIP21S is a compact EtherNet/IP communication unit for CJ-series PLCs, enabling fast, deterministic data exchange over Ethernet-based networks. With a single RJ45 port (100Base-TX) and support for standard industrial protocols such as CIP , FINS/UDP , and FINS/TCP , it is ideal for connecting Omron PLCs to SCADA systems, HMIs, vision devices, and remote I/O.

Technical Specifications

Model CJ1W-EIP21S
Series CJ1W
Product Type Ethernet Communication Unit
Mounting Type DIN rail via CJ-series rack
Dimensions (W × H × D) Refer to datasheet
Weight (Unpacked) 250 g
Degree of Protection IP20
Unit Type CPU Bus Unit

Communication Interfaces

Number of Ethernet Ports 1 × RJ45 (100Base-TX)
Network Interface IEEE 802.3 compliant
Transmission Speed 100 Mbps
PLC Bus Interface CJ-series I/O bus (CPU Bus Unit slot)
Communication Protocols Supported EtherNet/IP (CIP) FINS/UDP FINS/TCP

Functional Capabilities

Tag Data Link Supports cyclic communication using CIP protocol
Explicit Messaging Allows command-based communication with external devices
Routing Capability Access to other networked Omron PLCs
Setup Utility Configured via Omron CX-Integrator or Sysmac Studio
Diagnostics Real-time network status monitoring and error detection

Mechanical & Installation

Installation Method Mounted into CJ-series rack (CPU Bus slot)
Cooling Method Natural convection
Power Supply Drawn from backplane (no external power required)

Environmental Conditions

Operating Temperature 0 to 55°C
Storage Temperature –25 to +70°C
Relative Humidity 10% to 90% RH (non-condensing)
Altitude Up to 2000 m
Vibration Resistance Conforms to IEC 60068-2-6
Shock Resistance Conforms to IEC 60068-2-27

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Frequently Asked Questions

How can I check whether CJ1W-EIP21S is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can CJ1W-EIP21S be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 0.25 kg

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CJ1W-EIP21S-Datasheet.pdfCJ1W-EIP21-EIP21S-EtherNet-IP-Unit-Datasheet.pdfCJ2-Series-Programmable-Controller.pdf

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