Allen Bradley 1746-IM4 SLC 500 AC Digital Input Module

Product Introduction

The Allen Bradley 1746-IM4 Digital Input Module is an industrial AC digital input module designed for reliable monitoring of high-voltage AC signals in SLC 500 PLC systems. It provides 4 isolated AC digital input points, making it suitable for applications where lower input density and high electrical robustness are required.

Designed for 170–255 VAC input signals, the 1746-IM4 allows direct connection to industrial AC devices such as switches, relays, and contact outputs. Its rack-mountable design ensures seamless integration into standard SLC 500 control systems.

Product Specifications

Applications

• Used in SLC 500 PLC systems for AC digital signal acquisition

• Monitors AC switches, relay contacts, and control signals

• Applied in industrial machinery and process control panels

• Suitable for power control and utility automation systems

• Used in manufacturing environments with high-voltage AC logic

• Integrated into distributed control and monitoring systems

Advantages

• High-voltage AC input support, enabling direct connection to field devices

• Robust industrial design, suitable for harsh electrical environments

• Reliable signal detection, ensuring accurate AC input monitoring

• Compact 4-point configuration, ideal for low-density input requirements

• Integrated noise suppression, improving system stability

• Seamless compatibility with Allen Bradley SLC 500 PLC platforms

• Continuous-duty capability, supporting long-term operation

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