Omron CJ1W-ID262 Digital Input Module

Technical Overview

High-density 64-point, 24 VDC digital input module for CJ1-series PLCs. Features PNP/NPN compatibility, MIL connectors, and adjustable response time.

Key Features

Provides 64 digital input points in a compact unit.
Compatible with both NPN and PNP sensor outputs.
Rated for 24 VDC input voltage.
Connects via two reliable 40-pin MIL connectors (plugs sold separately).
Adjustable ON/OFF response time from 0 to 32 ms to filter external noise.
Part of the expandable and versatile Omron CJ1-series PLC platform.

Technical Specification Matrix

Parameter	Value
Product Type	Digital Input Unit
Number of Inputs	64
Rated Input Voltage	24 VDC
Input Voltage Range	20.4 to 26.4 VDC
Input Type	PNP/NPN
Input Current	4.1 mA typical (at 24 VDC)
ON Voltage/Current	19.0 VDC min. / 3 mA min.
OFF Voltage/Current	5 VDC max. / 1 mA max.
ON Response Time	8.0 ms max. (Can be set to between 0 and 32 ms)
OFF Response Time	8.0 ms max. (Can be set to between 0 and 32 ms)
I/O Connection	Two 40-pin MIL connectors
Current Consumption	90 mA max. at 5VDC
Degree of Protection	IP20
Ambient Operating Temperature	0 to 55 °C
Physical Weight (kg)	0.1
Dimensions L x W x H (cm)	8.36 x 3.1 x 9

Industrial Applications

1. Automated Assembly Machine Sensor Aggregation

In a complex automated assembly machine, numerous sensors (proximity, photoelectric, limit switches) are used to detect part presence, position, and alignment at various stations. This application requires consolidating a large number of sensor signals into the PLC controller in a space-efficient manner.

Problem Solved

The CJ1W-ID262's high density of 64 inputs allows a large number of 24 VDC sensors to be connected to a single, narrow 31mm module, saving significant DIN rail space within the control cabinet. Its ability to handle both PNP and NPN inputs provides flexibility in sensor selection without needing separate modules.

64-point input24 VDCPNP/NPNHigh-density I/OPLCSensor Integration

2. Conveyor System Divert Gate Monitoring

A large-scale sorting conveyor system uses dozens of pneumatic divert gates, each with open and closed position confirmation sensors. The control system needs to reliably monitor the status of every gate to ensure packages are routed correctly and to detect mechanical failures or jams.

Problem Solved

By using one CJ1W-ID262 per section, the PLC can monitor up to 32 individual gates (with two sensors each). The 8.0 ms response time is sufficiently fast for this mechanical application, and the adjustable filter (0-32ms) can be used to debounce signals from mechanical limit switches, preventing false readings from vibration.

Digital InputConveyor ControlPosition Sensing24 VDCSignal DebouncingPLC I/O

3. Manual Operator Control Panel Interface

An industrial machine requires a large operator control panel with numerous push buttons, selector switches, and indicator light test buttons. Wiring all these manual inputs back to the PLC requires a high-input-count module that fits within the constrained space of the operator console or a local junction box.

Problem Solved

The CJ1W-ID262 is ideal for this scenario, as it can aggregate up to 64 manual control signals into a single PLC slot. The 4.1 mA input current is low enough for standard industrial switches, and the use of multi-conductor cables with MIL connectors can drastically simplify field wiring compared to terminating 64 individual wires on screw terminals.

Operator InterfaceHMIPushbuttonSelector SwitchMIL Connector64 inputs