CJ-series Ethernet Unit CJ1W-ETN21

International Standards

• The standards are abbreviated as follows: U: UL, U1: UL (Class I Division 2 Products for Hazardous Locations), C: CSA, UC: cULus, UC1: cULus (Class I Division 2 Products for Hazardous Locations), CU: cUL, N: NK, L: Lloyd, and CE: EC Directives.
• Contact your OMRON representative for further details and applicable conditions for these standards.

Ethernet Unit

Unit  type	Product  Name	Specifications			No.  of  unit  num-  bers  allo-  cated	Current  consump-  tion (A)		Model	Stand-  ards
		Commu-  nications  cable	Communications  functions	Units  per  CPU  Unit		5 V	26 V
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	UC1,  N, L,  CE

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.

Industrial Switching Hubs

Product  name	Appear-  ance	Specifications			Accessories	Current  con-  sumption  (A)	Model	Stand-  ards
		Functions	No.  of  pors	Failure  de-  tection
Industrial  Switching  Hubs		Quality of Service (QoS):  EtherNet/IP control data  priority  Failure detection:  Broadcast storm and LSI  error detection  10/100BASE-TX,  Auto-Negotiation	3	No	Power supply  connector	0.22	W4S1-03B	UC, CE
			5	No		0.22	W4S1-05B
			5	Yes	Power supply  connector  Connector  for informing  error	0.22	W4S1-05C	CE

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	Tonichi Kyosan Cable, Ltd.	NETSTAR-C5E  SAB 0.5 × 4P	Kanetsu Planning Department
		Kuramo Electric Co., Ltd.	KETH-SB	Kuramo Electric Co., Ltd.
		SWCC Showa Cable  Systems Co. Ltd.	FAE-5004	SWCC Showa Cable Systems Co. Ltd.
	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.
	RJ45  Assembly  Connectors	OMRON	XS6G-T421-1	OMRON Corporation,  Customer Support Center
Sizes and  conductor  pairs:  0.5 mm ×  4 pairs	Cables	Fujikura Ltd.	F-LINK-E 0.5mm × 4P	Kanetsu Planning Department
	RJ45  Connectors	Panduit Corporation	MPS588	Panduit Corporation, Japan Branch,  Osaka Sales Office
Boots		TSUKO	MK Boots (VI) LB	TSUKO