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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.

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).

Applicable Connectors

Name Connection Specifications Model
40-pin
Connectors
Soldered
FCN-361J040-AU Connector
FCN-360C040-J2 Connector Cover
Right angle type, included with Unit
C500-CE404
Crimped
FCN-363J040 Housing
FCN-363J-AU Contactor
FCN-360C040-J2 Connector Cover
Right angle type
C500-CE405
Pressure welded
FCN-367J040-AU/F, w/o connector cover C500-CE403
Soldered
40-pin, soldered, w/connector cover C500-CE401
Crimped
40-pin, crimped w/connector cover C500-CE402

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
Through 40-pin M2.4 screw terminals XW2B-40G4
40-pin M3.5 screw terminals XW2B-40G5
Slim 40-pin M3 screw terminals XW2D-40G6