Name: Omron CJ1W-ID232 32-Point High-Speed DC Input Unit - INOSAKI
SKU: Omron-CJ1W-ID232
Price: 108.81 USD
Availability: InStock

Technical Overview

The Omron CJ1W-ID232 is a high-density, 32-point DC digital input module designed for Omron CJ and NJ series programmable logic controllers (PLCs). Engineered for high-throughput automation environments, this unit features a 24 VDC rated input voltage and interfaces via a standard MIL connector. The module delivers ultra-fast signaling with a 15 µs ON response time and offers flexible NPN/PNP compatibility without the need to select polarity. Additionally, it features an adjustable digital filter (0 to 32 ms) to effectively suppress external electrical noise in industrial panels, allowing for precise machine control in a remarkably compact 20mm-wide footprint.

Key Features

32digitalinputsstructuredas16pointspercommonacross2circuits[1.1].
High-speed ON response time of 15 µs (20 µs maximum internal element delay) for rapid signal processing.
Universal NPN and PNP output device compatibility without polarity selection.
Adjustable onboard digital filter configurable from 0 to 32 ms to mitigate external noise.
Space-saving 20mm width using a robust MIL connector interface for clean wiring consolidation.
Designed for seamless integration into the CJ-series basic I/O unit backplane.

Technical Specification Matrix

Parameter	Value
Number of Inputs	32 points (16 points/common, 2 circuits)
Rated Input Voltage	24 VDC
Input Voltage Range	20.4 to 26.4 VDC
Input Impedance	5.6 kΩ
Input Current	4.1 mA typical (at 24 VDC)
ON Voltage / ON Current	19.0 VDC min. / 3 mA min.
OFF Voltage / OFF Current	5.0 VDC max. / 1 mA max.
ON Response Time	15 µs typical / 20 µs max.
OFF Response Time	90 µs typical / 400 µs max.
Internal Current Consumption	90 mA max. (at 5 VDC)
Connector Type	MIL Connector
Insulation Resistance	20 MΩ min. (at 100 VDC)
Dimensions (H x W x D)	90 mm x 20 mm x 83.6 mm
Weight	70 g max.
Operating Temperature	0 to +55 °C
Ingress Protection Rating	IP20

Industrial Applications

1. High-Speed Packaging Line Synchronization

Integration into high-speed packaging machinery where fast-moving items trigger proximity sensors that must instantly register on the PLC to activate downstream diverters, sorting arms, or precision labeling heads.

Problem Solved

Standard I/O modules introduce unacceptable scan latency that causes mechanical misalignment in fast packaging operations. The ultra-fast 15 µs ON response time ensures near real-time signaling for precise actuator synchronization.

15 µs ON Response TimeHigh-Speed Input24 VDC InputPLC Backplane Integration

2. High-Density Conveyor Tracking System

Consolidating numerous photoelectric and limit switch sensor inputs across extensive automated material handling systems and distribution center conveyors into a centralized PLC network.

Problem Solved

Severe cabinet space constraints and point-to-point wiring complexity are mitigated by utilizing a high-density unit that accepts 32 distinct I/O points in a slim 20mm-wide profile using an organized MIL mass-termination connector.

32-Point DensityMIL ConnectorNPN/PNP CompatibleCompact DIN Profile

3. CNC Machine Tool State Monitoring

Monitoring the exact status and positioning of various tool changers, limit switches, and safety interlocks within industrial CNC and multi-axis machining environments.

Problem Solved

Electromagnetic interference (EMI) from heavy spindles and servo drives can trigger false inputs in a PLC. The module's adjustable digital filter (up to 32 ms) suppresses transient electrical noise while securely capturing legitimate 24 VDC sensor signals.

0 to 32 ms Digital Filter5.6 kΩ Input ImpedanceNoise Immunity24 VDC Minimum ON Voltage