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CJ1W-ECT21

CJ-series EtherCAT® Slave Unit

CJ1W-ECT21

Hi-speed I/O link based on EtherCAT

Item list of CJ1W-ECT21

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last update: December 9, 2024

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, CE: EC Directives, and KC: KC Registration.
    • Contact your OMRON representative for further details and applicable conditions for these standards.

EtherCAT Slave Unit

Unit
type		 Product
name		 Specifications No. of
unit
numbers
allocated		 Current con-
sumption (A)		 Model Stand-
ards
Communica-
tions cable		 Communications
functions		 5 V
system		 24 V
system
CJ1
CPU
Bus
Unit		 EtherCAT
Slave Unit
3439_lu_1_1		 STP (shielded
twisted-pair)
cable of category
5 or higher with
double shielding		 Refreshing methods:
Free-Run Mode
PDO data sizes:
TxPDO 400byte max./
RxPDO: 400byte max.		 1 0.34 -- CJ1W-ECT21
*		 UC1,
CE,
KC

* When using with the Machine Automation Controller NJ /NXSeries, use CPU Units with unit version 1.10 or later and the Sysmac Studio version 1.13 or higher.

Recommended EtherCAT Communications Cable

Use a straight STP (shielded twisted-pair) cable of category 5 or higher with double shielding (braiding and aluminum foil tape) for EtherCAT.

Cable with Connectors

Item Appearance Recom-
mended
manu-
facturer		 Cable
length
[m] *1		 Model
Cable with Connectors on Both Ends
(RJ45/RJ45)
Standard RJ45 plugs type *1
Wire gauge and number of pairs:
AWG26, 4-pair cable
Cable sheath material: PUR
Cable color: Yellow *2
EtherCAT/
EtherNet/IP (10BASE/100BASE)		 3439_lu_2_1 OMRON 0.3 XS6W-6PUR8SS30CM-YF
0.5 XS6W-6PUR8SS50CM-YF
1 XS6W-6PUR8SS100CM-YF
2 XS6W-6PUR8SS200CM-YF
3 XS6W-6PUR8SS300CM-YF
5 XS6W-6PUR8SS500CM-YF
Cable with Connectors on Both Ends
(RJ45/RJ45)
Rugged RJ45 plugs type *1
Wire gauge and number of pairs:
AWG22, 2-pair cable
Cable color: Light blue
EtherCAT/
EtherNet/IP (10BASE/100BASE)		 3439_lu_2_2 OMRON 0.3 XS5W-T421-AMD-K
0.5 XS5W-T421-BMD-K
1 XS5W-T421-CMD-K
2 XS5W-T421-DMD-K
5 XS5W-T421-GMD-K
10 XS5W-T421-JMD-K
Cable with Connectors on Both Ends
(M12 Straight/M12 Straight)
Shield Strengthening Connector cable *3
M12/Smartclick Connectors
Wire Gauge and Number of Pairs:
AWG22, 2-pair Cable
Cable color: Black
EtherCAT/
EtherNet/IP (10BASE/100BASE)		 3439_lu_2_3 OMRON 0.5 XS5W-T421-BM2-SS
1 XS5W-T421-CM2-SS
2 XS5W-T421-DM2-SS
3 XS5W-T421-EM2-SS
5 XS5W-T421-GM2-SS
10 XS5W-T421-JM2-SS
Cable with Connectors on Both Ends
(M12 Straight/RJ45)
Shield Strengthening Connector cable *3
M12/Smartclick Connectors
Rugged RJ45 plugs type
Wire Gauge and Number of Pairs:
AWG22, 2-pair Cable
Cable color: Black
EtherCAT/
EtherNet/IP (10BASE/100BASE)		 3439_lu_2_4 OMRON 0.5 XS5W-T421-BMC-SS
1 XS5W-T421-CMC-SS
2 XS5W-T421-DMC-SS
3 XS5W-T421-EMC-SS
5 XS5W-T421-GMC-SS
10 XS5W-T421-JMC-SS

*1. Standard type cables length 0.2, 0.3, 0.5, 1, 1.5, 2, 3, 5, 7.5, 10, 15 and 20 m are available.
      Rugged type cables length 0.3, 0.5, 1, 2, 3, 5, 10 and 15 m are available.
      For details, refer to Cat.No.G019.
*2. Cables colors are available in blue, yellow, or Green.
*3. For details, contact your OMRON representative.

Cable / Connectors

Wire Gauge and Number of Pairs: AWG24, 4-pair Cable

Item Appearance Recommended manufacturer Model
Cables ---- Kuramo Electric Co. KETH-SB *
RJ45 Connectors ---- Panduit Corporation MPS588-C *

* We recommend you to use above cable and connector together.

Wire Gauge and Number of Pairs: AWG22, 2-pair Cable

Item Appearance Recommended manufacturer Model
Cables ---- Kuramo Electric Co. KETH-PSB-OMR *
---- JMACS Japan Co., Ltd. PNET/B *
RJ45 Assembly Connector 3439_lu_4_1 OMRON XS6G-T421-1 *

* We recommend you to use above cable and connector together.
Note: Connect both ends of cable shielded wires to the connector hoods.

last update: December 9, 2024

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