Omron CJ1W-IA111 Digital Input Unit

The Omron CJ1W-IA111 is a robust AC digital input unit designed for the CJ-series modular PLC system. It provides 16 input channels for 100 to 120 VAC signals, with reliable screw terminal connections for secure installation in industrial control panels. This basic I/O unit is ideal for interfacing with contactors, relays, or field sensors that operate on AC voltage levels.

With OFF/ON delay filtering and seamless integration with the CJ I/O Bus, the CJ1W-IA111 ensures dependable signal acquisition for high-voltage applications in factory automation, material handling, and packaging environments.

I/O Specifications

Model: CJ1WIA111
I/O Type: Basic Digital Input Unit
Number of Digital Inputs: 16
Input Signal Type: AC voltage
Permitted Input Voltage Range: 85 to 132 VAC
Rated Input Voltage: 100 to 120 VAC
OFF/ON Delay Time: 18 to 48 ms
Number of Digital Outputs: 0
Output Current: Not applicable
Short-Circuit Protection: Not applicable

Electrical & Terminal Interface

• I/O Connector Type: Screw terminal block
• Number of I/O Connectors: 1
• Detachable Terminal Block: No
• Number of COM Terminals: 2
• Number of IOV (V+) / IOG (V−) Terminals: 0

Mechanical Specifications

• Mounting Method: DIN rail (via CJ-series backplane)
• Product Dimensions (W × H × D): 31 × 90 × 89 mm
• Weight: 119 g (unpacked)

Environmental Ratings

• Operating Temperature: 0 to 55°C
• Storage Temperature: –20 to 75°C
• Relative Humidity: 10% to 90% RH (non-condensing)
• Shock Resistance: IEC 60068-2-27 compliant
• Vibration Resistance: IEC 60068-2-6 compliant

System Integration

• I/O Bus Compatibility: CJ I/O Bus
• PLC Series Compatibility: CJ1 / CJ2
• Expansion Unit Type: Basic I/O Unit
• Wiring Type: Screw terminal connections
• Safety Function Suitability: Not specified

Applications

Ideal for:

• Relay and contactor input monitoring
• Factory automation with AC signal interfacing
• Equipment utilizing high-voltage field sensors
• Process control systems in industrial environments

Key Features & Benefits

✅ AC Voltage Input Support: Compatible with 100–120 VAC field signals.

✅ Stable Filtering: Built-in 18–48 ms OFF/ON delay to suppress noise.

✅ Compact Form: 31 mm wide for efficient DIN rail space usage.

✅ Secure Wiring: Screw terminals for robust electrical connections.

✅ CJ-Series Integration: Seamlessly connects to CJ PLC platforms.

📦 Available from Drive Outlet Megastore

The Omron CJ1W-IA111 provides a clean and compact solution for integrating AC voltage input signals into your automation system. Whether you’re building a new control panel or expanding your PLC system, this module ensures safe and reliable signal acquisition.

Contact us now for technical advice and discounted trade pricing.

Interface AC control with precision. Only at Drive Outlet.