CJ1W-CT021 is a counter module for the Omron CJ series — 2 digital inputs, 2 solid-state outputs, all in a single DIN-rail slot. The rectangular connector mates directly to the CJ backplane, no additional wiring needed for power or bus communication. Rated 0°C to 55°C, with CE, cULus, Lloyd, and NK approvals. For high-speed cycle counting, this module holds takt time without jitter from external counter cards.
Omron CJ1W-CT021 Counter Module, 2 Inputs 2 Outputs, Active
MPNCJ1W-CT021
End of Life
Omron, CJ1W series, Counter Module, CJ1W-CT021, 2 digital inputs, 2 solid-state outputs, DIN rail mount, CE/cULus approved.
$259.00Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Series | CJ1W |
I/O
| Parameter | Value |
|---|---|
| Inputs (count and type) | 2 - Digital |
| Outputs (count and type) | 2 - Solid State |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | 0°C~55°C |
Mechanical
| Parameter | Value |
|---|---|
| Mounting type | DIN Rail |
| Weight | 0.221 lb (100.24 g) |
| Termination style | Rectangular Connector |
Approvals
| Parameter | Value |
|---|---|
| Approvals / certifications | CE, cULus, Lloyd, NK |
Other specifications
| Parameter | Value |
|---|---|
| Type | Counter Module |
Product details
Frequently asked questions
What is the type and series of the CJ1W-CT021?
It is a Counter Module in the CJ1W series, designed for use with Omron CJ series PLCs.
What compliance documentation is available for the CJ1W-CT021?
The module is approved by CE, cULus, Lloyd, and NK. These cover safety and marine standards for global installations.
MPN
CJ1W-CT021