During technical comparisons, CJ1W-CT021 appears alongside Siemens PLC, Omron Photoelectric Sensor and Nx1P2 1040Dt1 so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Omron CJ1W-CT021 Programmable Logic Controller
The Omron CJ1W-CT021 Programmable Logic Controller (PLC) Expansion Unit is a high-speed counter module designed for accurate pulse input measurement in industrial automation. It supports 2 channels of 32-bit counting with up to 500 kHz frequency input capability. This module offers versatile counter modes for position, speed, and length detection, ensuring precise control in motion applications. Operating on 24 VDC, it provides stable, noise-resistant performance in harsh environments. Manufactured by Omron, part of the Omron Programmable Logic Controller series, available under the Omron CJ1W Series.
| Brand | Omron |
| Product Type | Programmable Logic Controller |
| Model Number | CJ1W-CT021 |
| Specification | Value |
|---|---|
| Unit type | Special I/O Unit |
| Product name | HighSpeed Counter Unit |
| Number of Inputs | 2 Inputs |
| Input type | Incremental encoder, Line driver (RS422), Open collector |
| Output type | NPN, PNP |
| Number of mountable Units | 24 Units |
| Current consumption (5 V) | 0.28 A |
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