Omron CJ1W-ID211 DC Input Unit
The Omron CJ1W-ID211 is a 16-point DC digital input unit designed for high-reliability industrial automation systems. Operating on the CJ I/O Bus, this module supports PNP and NPN input devices with a rated 24 VDC input voltage. It offers configurable ON and OFF response times from 0 to 32 ms, allowing signal stabilization for noisy environments. With a removable screw-type terminal block and single-word CIO allocation, the unit enables efficient wiring and predictable PLC memory mapping. Manufactured by Omron, the CJ1W-ID211 belongs to the Omron PLC I/O ecosystem for modular control architectures.
| Brand | Omron |
| Product | PLC |
| Model Number | CJ1W-ID211 |
Omron CJ1W-ID211 16-Point Digital Input Module â Technical Overview
| Specification | Value |
|---|---|
| I/O System | CJ I/O Bus |
| Module Type | DC Digital Input Unit |
| Number of Inputs | 16 digital inputs |
| Input Voltage | 24 VDC |
| Permitted Input Voltage Range | 20.4 to 26.4 VDC |
| Input Type | PNP / NPN compatible |
| Input Current | 7 mA |
| OFF/ON delay | 0-32 ms |
| ON Voltage / ON Current | 14.4 VDC min. / 3 mA min. |
| OFF Voltage / OFF Current | 5 VDC max. / 1 mA ma |
| Response Time | ON/OFF 8 ms max. |
| I/O Connection Type | Screw terminals |
The Omron CJ1W-ID211 is widely identified as an Omron 16-point DC digital input unit designed for accurate and stable signal acquisition in industrial automation systems. This module supports 16 DC inputs with PNP/NPN compatibility and operates at a rated 24 VDC input voltage, ensuring reliable detection of field signals from industrial sensors and switches.
In industrial applications, the CJ1W-ID211 DC input unit is commonly used in control panels, material handling systems, and process automation lines where dependable input monitoring is required. Its configurable ON and OFF response time (0 to 32 ms) helps reduce electrical noise, allowing stable signal processing from proximity sensors, photoelectric sensors, and limit switches connected to the PLC.
As part of the CJ1 Basic I/O Units platform, the CJ1W-ID211 is engineered for long-term industrial operation with strong insulation characteristics and consistent electrical performance. The unit supports predictable memory allocation, reliable screw-terminal wiring, and continuous operation in demanding automation environments requiring dependable digital input monitoring.