16-Point DC Input Unit CJ1W-ID231 for High-Speed Industrial Automation
16-Point DC Input Unit CJ1W-ID231 for High-Speed Industrial Automation
SKU:CJ1W-ID231
Package size: 15X14X10CMOmron CJ1W-ID231 32-Point Digital Input Module - Industrial Automation Solution
Premium Industrial-Grade Digital Input Module for CJ Series PLC Systems
The Omron CJ1W-ID231 represents the pinnacle of industrial digital input technology within Omron's CJ series programmable logic controller (PLC) ecosystem. This 32-point DC input module delivers uncompromising performance for mission-critical automation applications, engineered to meet the rigorous demands of modern manufacturing environments. With its exceptional signal processing capabilities and rugged construction, the CJ1W-ID231 ensures reliable operation in temperature-fluctuating, vibration-prone industrial settings where electrical noise immunity is paramount.
Optimized Industrial Performance Features
- High-Density Industrial Design: 32 discrete input channels packed into an ultra-compact 31mm width unit (90mm height × 65mm depth) enables maximum control panel space utilization without compromising functionality
- Universal Wiring Configuration: Dual-mode compatibility supporting both sink (NPN) and source (PNP) input wiring schemes provides unparalleled installation flexibility across global automation standards
- Precision Voltage Detection: Engineered with tight 17-26.4V DC input voltage range (24V DC nominal ±10%) and consistent 7mA current consumption per point for accurate signal acquisition
- High-Speed Industrial Response: Industry-leading 1ms maximum response time (both ON→OFF and OFF→ON transitions) ensures real-time process control for time-sensitive automation sequences
- Advanced Electrical Isolation: Photocoupler-based 1500V AC isolation barrier between field inputs and internal circuits provides superior protection against voltage transients and electrical noise
- Industrial Durability: Constructed with vibration-resistant components and tested for reliable operation across 0°C to 55°C temperature ranges with 10-90% non-condensing humidity tolerance
- Energy-Efficient Operation: Low power consumption design requiring only 5V DC at 0.1A from the backplane reduces overall system energy demands
- Global Compliance: Certified to CE, UL, and cUL standards for worldwide industrial deployment
- Manufacturer Warranty: Backed by Omron's standard 1-year limited warranty against manufacturing defects (proof of purchase required)
Industrial Automation Applications
The Omron CJ1W-ID231 digital input module delivers reliable performance across diverse industrial automation scenarios:
- Advanced Manufacturing Systems: Precision input monitoring for CNC machine tools, robotic workcells, and automated assembly stations
- Process Control Installations: Critical signal acquisition for batch processing, chemical dosing, and precision mixing operations
- Logistics Automation: High-speed input detection for sortation systems, AS/RS controls, and conveyor network monitoring
- Packaging Machinery: Reliable signal processing for high-speed form-fill-seal machines, labeling systems, and case packing equipment
- Automotive Production: Robust input monitoring for welding robots, paint shop controls, and final assembly verification systems
- Infrastructure Automation: Facility management integration for equipment status monitoring in water treatment and power distribution applications
Comprehensive Technical Specifications
Technical Parameter | Precision Specification |
---|---|
Omron Part Number | CJ1W-ID231 (validated against Omron CJ-series documentation) |
Input Channel Configuration | 32 independent DC input points with common terminal grouping |
Input Circuit Type | Selectable sink/source configuration via wiring method |
Operating Voltage Range | 21.6V to 26.4V DC (24V DC nominal ±10%) |
Input Current Characteristic | 7mA typical per point at 24V DC nominal voltage |
Minimum ON Voltage | 17V DC (guaranteed activation threshold) |
Maximum OFF Voltage | 5V DC (guaranteed deactivation threshold) |
Switching Response Time | ≤1ms maximum for both ON→OFF and OFF→ON transitions |
Isolation Specification | 1500V AC for 1 minute between field inputs and internal logic circuits |
Termination Method | Screwless clamping terminal block (included, accepts 0.3-2.5mm² wires) |
Mounting Configuration | Standard 35mm DIN rail mounting or direct panel mounting options |
Environmental Specifications | Operational: 0°C to 55°C, Storage: -25°C to 65°C, Humidity: 10-90% RH non-condensing |
Physical Dimensions | 31mm (W) × 90mm (H) × 65mm (D) ±0.5mm tolerance |
Module Weight | 200g ±5% (excluding packaging and accessories) |
Backplane Power Requirements | 5V DC internal supply at 0.1A maximum current draw |
International Certifications | CE Marked (EMC Directive, Low Voltage Directive), UL 508, CSA C22.2 No. 142 |
Warranty Coverage | 1-year limited warranty from date of purchase (terms and conditions apply) |
System Integration and Compatibility
The CJ1W-ID231 digital input module is engineered for seamless integration with Omron's CJ1 series PLC platforms, including CJ1G, CJ1H, CJ1M, and CJ1 CPU units. The module's high-density design allows for efficient rack space utilization when combined with other CJ-series I/O modules, including analog input/output, temperature control, and specialty communication modules. The universal sink/source input capability eliminates the need for separate module types based on sensor output configurations, reducing inventory complexity while maintaining signal integrity across diverse industrial sensor types including proximity switches, limit switches, and photoelectric sensors.





