16-Point Digital Input Unit CJ1W-ID201 for PLC Systems

Product Overview

The Omron CJ1W-ID201 is a high-performance digital input module engineered for industrial automation applications within the CJ Series of programmable controllers. Designed for seamless integration with Omron's CJ1 PLC systems, this module delivers fast, reliable signal processing for critical control tasks in demanding industrial environments. With its robust construction and advanced input circuitry, the CJ1W-ID201 ensures stable operation even in electrically noisy conditions.

Key Features and Benefits

• 16-Channel Input Configuration: Provides flexible 16-point digital input capacity with universal sink/source compatibility, simplifying wiring and system design
• Precision Voltage Detection: Operates at 24 VDC (±10% tolerance) with precise ON/OFF thresholds (17 VDC min ON, 5 VDC max OFF) for reliable signal recognition
• High-Speed Response: Ultra-fast 1 ms (ON→OFF) and 1.5 ms (OFF→ON) switching times enable precise event detection in time-critical applications
• Advanced Isolation: Photocoupler isolation between field inputs and internal circuits provides 2,300 VAC dielectric strength for enhanced system protection
• Compact Form Factor: Space-saving 31 × 90 × 65 mm (W×H×D) design with only 200 g weight optimizes control panel space utilization
• Energy Efficient: Low 0.9 W power consumption reduces overall system energy requirements
• Industrial-Grade Reliability: Designed for continuous operation in harsh environments with wide temperature tolerance and vibration resistance
• 1-Year Manufacturer Warranty: Backed by Omron's quality guarantee for worry-free operation

Industrial Applications

The CJ1W-ID201 digital input module excels in diverse automation scenarios requiring robust and responsive signal acquisition:

• Manufacturing Automation: Ideal for monitoring limit switches, pushbuttons, and sensors in CNC machines, robotic cells, and production lines
• Process Control Systems: Provides precise input timing for batch processing, filling stations, and quality inspection systems
• Material Handling: Reliable conveyor control, palletizer inputs, and automated storage/retrieval system monitoring
• Packaging Machinery: High-speed detection of product presence, safety interlocks, and machine status signals
• Building Automation: Integration with HVAC controls, access systems, and facility monitoring equipment

Detailed Technical Specifications

Parameter	Specification
Model Number	CJ1W-ID201 (Omron genuine part)
Input Configuration	16-point universal (sink/source compatible)
Operating Voltage Range	24 VDC ±10% (21.6-26.4 VDC)
Input Current per Point	7 mA typical at 24 VDC
ON State Voltage Threshold	Minimum 17 VDC (guaranteed activation)
OFF State Voltage Threshold	Maximum 5 VDC (guaranteed deactivation)
Turn-ON Response Time	1.5 ms maximum (OFF→ON transition)
Turn-OFF Response Time	1.0 ms maximum (ON→OFF transition)
Isolation Method	Photocoupler isolation (input to internal circuit)
Dielectric Strength	2,300 VAC for 1 minute (input to internal circuit)
Insulation Resistance	20 MΩ minimum at 500 VDC
Operating Temperature	0°C to 55°C (32°F to 131°F)
Storage Temperature	-25°C to 65°C (-13°F to 149°F)
Relative Humidity	10% to 90% (non-condensing)
Vibration Resistance	10-57 Hz, 0.075 mm amplitude, 57-150 Hz, 9.8 m/s² acceleration
Shock Resistance	147 m/s², 3 times each in 6 directions
Dimensions (W × H × D)	31 mm × 90 mm × 65 mm (1.22" × 3.54" × 2.56")
Weight	200 g (0.44 lb)
Power Consumption	0.9 W (24 VDC operation)
Terminal Type	Removable screw terminal block (included)
Warranty Period	1 year from date of purchase

System Integration

The CJ1W-ID201 module installs directly into CJ Series PLC racks, supporting both local and remote I/O configurations. Its universal input design accommodates both PNP (sourcing) and NPN (sinking) field devices without requiring hardware modifications. The module's LED indicators provide per-channel status visibility for simplified troubleshooting and maintenance.