16-Point Digital Input Unit CJ1W-ID261 for High-Speed PLC Systems

Product Overview

The CJ1W-ID261 is a high-performance digital input unit from Omron's CJ Series, designed for seamless integration with programmable logic controllers (PLCs) in industrial automation environments. This robust module provides reliable signal acquisition with high-density input points, ensuring efficient data processing for complex control systems. Engineered for durability and precision, the CJ1W-ID261 meets the demanding requirements of modern manufacturing and process automation applications.

Key Features and Benefits

• High-Density Input Configuration: 64 digital input points (32 points per connector) for comprehensive signal monitoring in space-constrained installations.
• Versatile Voltage Compatibility: Supports both sinking and sourcing input configurations at 24 VDC, with a wide operating range of 19.2 to 28.8 VDC for stable performance in fluctuating power conditions.
• Rapid Response Times: Ultra-fast processing with maximum response times of 1 ms (ON to OFF) and 2 ms (OFF to ON) for real-time control applications.
• Advanced Isolation Technology: Photocoupler isolation between inputs and internal circuits ensures protection against electrical noise and voltage spikes.
• Compact and Efficient Design: Space-saving dimensions (31 × 90 × 65 mm) with low power consumption (80 mA max at 5 VDC, 40 mA max at 24 VDC) for energy-efficient operation.
• Industrial-Grade Construction: 200g rugged design built to withstand harsh industrial environments with reliable long-term performance.
• Standard Warranty: Backed by Omron's 1-year manufacturer warranty for guaranteed quality and reliability.

Industrial Applications

The CJ1W-ID261 digital input module is engineered for diverse automation applications across multiple industries:

• Machine Control Systems: Precise monitoring of sensors and switches in CNC machines, injection molding equipment, and robotic cells.
• Process Automation: Reliable signal acquisition for batch processing, chemical plants, and water treatment facilities.
• Assembly Line Integration: High-speed input processing for automotive manufacturing and electronics production lines.
• Material Handling: Input monitoring for conveyor systems, automated storage, and retrieval systems (AS/RS).
• Packaging Machinery: Accurate signal detection for filling, labeling, and sealing equipment.

Detailed Technical Specifications

Parameter	Specification
Model Number	CJ1W-ID261 (Omron genuine part)
Input Configuration	64 points (32 points per connector)
Input Type	24 VDC (compatible with both sinking and sourcing configurations)
Operating Voltage Range	19.2 to 28.8 VDC (±10% tolerance)
Current Consumption (5 VDC)	80 mA maximum
Current Consumption (24 VDC)	40 mA maximum
Input Impedance	3.9 kΩ (typical)
ON Voltage/Current	Minimum 19.2 VDC, 3.0 mA
OFF Voltage/Current	Maximum 5.0 VDC, 1.0 mA
Response Time	1 ms maximum (ON to OFF), 2 ms maximum (OFF to ON)
Isolation Method	Photocoupler isolation between inputs and internal circuits
Withstand Voltage	1,000 VAC for 1 minute (between input terminals and internal circuit)
Insulation Resistance	20 MΩ minimum at 500 VDC (between input terminals and internal circuit)
Operating Temperature	0 to 55°C (32 to 131°F)
Storage Temperature	-25 to 75°C (-13 to 167°F)
Operating Humidity	10% to 90% (non-condensing)
Vibration Resistance	10 to 57 Hz, 0.075 mm amplitude, 57 to 150 Hz, 9.8 m/s² acceleration
Shock Resistance	147 m/s², 3 times each in X, Y, and Z directions
Dimensions (W × H × D)	31 × 90 × 65 mm (1.22 × 3.54 × 2.56 inches)
Weight	200 g (0.44 lb)
Terminal Type	Removable terminal block (screw terminals)
Mounting Method	DIN rail mounting or direct panel mounting
Warranty Period	1 year manufacturer warranty

System Compatibility

The CJ1W-ID261 digital input module is designed for seamless integration with Omron CJ Series programmable controllers, including CJ1G/H/HE, CJ1M, and CJ2 CPU units. This compatibility ensures straightforward implementation in both new installations and system upgrades.