CJ1W-ETN21

CJ-series Ethernet Unit

CJ1W-ETN21

Organically Connect the Production Site and Management

* Information in this page is a reference that you created on the basis of information in the product catalog before the end of production, may be different from the current situation, such as goods for / supported standards options / price / features of the product. Before using, please check the compatibility and safety system.

last update: December 9, 2024

Applicable standards

Ask your OMRON representative for the most recent applicable standards for each model.

Ethernet Unit

Unit type	Product Name	Specifications			No. of unit numbers allocated	Current consump- tion (A)		Model
Unit type	Product Name	Commu- nications cable	Communications functions	Units per CPU Unit	No. of unit numbers allocated	5 V	26 V	Model
CJ1 CPU Bus Unit	Ethernet Unit	100Base-TX	FINS communications service (TCP/IP, UDP/IP), FTP server functions, socket services, mail transmission service, mail reception (remote command receive), automatic adjustment of PLC's built-in clock, server/ host name specifications	4 *	1	0.37	---	CJ1W-ETN21

Note: 1. There is no accessory for the CJ-series Ethernet Unit.
2. This unit cannot be used with the Machine Automation Controller NJ-series.
* Up to three Ethernet Units can be connected to a CJ1M-CPU1[]-ETN CPU Unit. (Final order entry date for CJ1M:The end of March, 2021)

Industrial Switching Hubs

Product name	Appearance	Functions	No. of ports	Accessories	Current consumption (A)	Model
Industrial Switching Hubs		Quality of Service (QoS): EtherNet/IP control data priority 10/100BASE-TX, Auto-Negotiation	5	Power supply connector	0.07	W4S1-05D

Recommended Network Devices

The following products are recommended for use with the Ethernet Unit.

Part		Maker	Model number	Contact phone
Sizes and conductor pairs: AWG 24 × 4 pairs	Cables	Kuramo Electric Co., Ltd.	KETH-SB	Kuramo Electric Co., Ltd.
Sizes and conductor pairs: AWG 24 × 4 pairs	RJ45 Connectors	Panduit Corporation	MPS588	Panduit Corporation, Japan Branch, Osaka Sales Office
Sizes and conductor pairs: AWG 22 × 2 pairs	Cables	Kuramo Electric Co., Ltd.	KETH-PSB-OMR	Kuramo Electric Co., Ltd.
Sizes and conductor pairs: AWG 22 × 2 pairs	RJ45 Assembly Connectors	OMRON	XS6G-T421-1	OMRON Corporation, Customer Support Center
Sizes and conductor pairs: 0.5 mm × 4 pairs	Cables	EtherNet compliant cable
Sizes and conductor pairs: 0.5 mm × 4 pairs	RJ45 Connectors	Panduit Corporation	MPS588	Panduit Corporation, Japan Branch, Osaka Sales Office
Boots		TSUKO	MK Boots (VI) LB	TSUKO

last update: December 9, 2024

Product Category

Automation Systems
- Programmable Controllers
  - Discontinued
    - CJ1W-ETN21

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