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CJ1W-CT021

CJ-series High-speed Counter Unit

CJ1W-CT021

High-Speed, Flexible Control With A Wide Array of Features. This unit is available for CJ/NJ controller.

Item list of CJ1W-CT021

Related Contents

last update: April 1, 2025

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.

Unit
type 		Product
name 		Specifications No. of
unit
numbers
allocated 		Current
consumption
(A) 		Model Standards
Countable
channels 		Encoder A and B inputs,
pulse input Z signals 		Max.
counting
rate 		5 V 24 V
CJ1
Special
I/O
Units 		Highspeed
Counter
Unit
2 Open collector
Input voltage:
5 VDC, 12 V, or 24 V
(5 V and 12 V are each for
one axis only.)		 50kHz 4 0.28 - CJ1W-CT021 UC1, N, L,
CE
RS-422 line driver 500kHz

Note: The following functions become unavailable when it is used with the NJ-series CPU unit.
           - Counter value capture using allocation area (CIO)
           - The capture, Stop/capture/continue, Stop/capture/reset/continue, and Capture/reset functions using External
               Control Input Function
           - Pulse rate range control using Output Control Mode
           - The pulse rate measurement function
           - Because the NJ Series has no power OFF interrupt task, operation cannot be restarted from the position at which
               the power was interrupted.
           - The IORD/IOWR instruction
           - Starting of External Interrupt Task by Output and External Control Input

Accessories

The High-Speed Counter Unit includes the 40-pin solder-type connectors C500-CE404 (socket: Fujitsu FCN-361J040-AU, cover: Fujitsu FCN-360C040-J2/cover: OTAX N360C040J2).

Applicable Connectors

Name Connection Specifications Model
40-pin
Connectors		 Soldered 1649_lu_2_1 Connector Fujitsu FCN-361J040-AU C500-CE404
Connector Cover Fujitsu FCN-360C040-J2
OTAX N360C040J2
Right angle type, included with Unit
Crimped 1649_lu_2_1 Housing Fujitsu FCN-363J040
OTAX N363J040		 C500-CE405
Contactor Fujitsu FCN-363J-AU
OTAX N363JAU
Connector Cover Fujitsu FCN-360C040-J2
OTAX N360C040J2
Right angle type
Pressure welded 1649_lu_2_2 Fujitsu FCN-367J040-AU/F,
w/o connector cover		 C500-CE403
Soldered 1649_lu_2_3 40-pin, soldered, w/connector cover C500-CE401

Connector-Terminal Conversion Unit and Connection Cables

Product Name Specifications Model
For Connecting with
Terminal Block		 Connecting Cables Normal wiring Cable length: 0.5m XW2Z-050B
Cable length: 1.0m XW2Z-100B
Cable length: 1.5m XW2Z-150B
Cable length: 2.0m XW2Z-200B
Cable length: 3.0m XW2Z-300B
Cable length: 5.0m XW2Z-500B
Connector-Terminal
Conversion Unit		 Slim 40-pin M3 screw terminals XW2D-40G6

last update: April 1, 2025

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