Introduction

The Allen Bradley 1746-IM8/A AC Digital Input Module provides dependable, high-speed monitoring of AC digital signals for industrial automation and control. Its compact, lightweight design enables easy integration into panels or DIN rails, while its robust construction ensures consistent performance. Fully compatible with SLC 500 PLC systems, it supports accurate digital input detection for factory automation, machinery, and process control applications.

Technical Specifications

Parameter	Specification
Module Type	AC Digital Input Module
Dimensions (L×W×H)	144.5 × 34.6 × 130.18 mm
Weight	0.181 kg / 0.40 lb
Input Voltage	AC standard for SLC 500 inputs
Input Type	AC Digital Signals
Channels	16 input points
Operating Temperature	0°C to 60 °C
Storage Temperature	-20°C to 70 °C
Mounting	Panel / DIN Rail
Compatibility	Allen-Bradley SLC 500 PLCs

Applications

The Allen Bradley 1746-IM8/A AC Digital Input Module is engineered for precise monitoring of AC digital signals in industrial automation systems. It is ideal for factory automation, manufacturing equipment, and process control applications where dependable digital input detection is critical. Fully compatible with SLC 500 PLCs, this module ensures accurate detection from switches, sensors, and other AC field devices.

Advantages

High-Reliability Digital Inputs: Monitors AC signals with fast, accurate detection.
Compact & Lightweight: 144.5 × 34.6 × 130.18 mm and 0.181 kg / 0.40 lb for easy installation in panels or on DIN rails.
Industrial-Grade Durability: Maintains consistent performance in demanding environments.
Seamless SLC 500 Integration: Optimized for Allen-Bradley SLC 500 PLC systems.
Simplified Installation: Quick setup via DIN rail or panel mounting.

Technical FAQs

What voltage range does the module support?
Standard AC input voltage compatible with SLC 500 specifications.
How many digital input points does it provide?
16 AC digital input channels.
Can it detect rapid input changes?
Yes, designed for fast detection of AC signal transitions.
Is it suitable for continuous industrial operation?
Yes, operates reliably from 0–60 °C.
Does it provide diagnostic feedback?
Yes, module and channel status are accessible via the SLC 500 PLC.
Can multiple inputs be monitored simultaneously?
Yes, all 16 channels operate independently and concurrently.
Is panel or DIN rail mounting supported?
Yes, flexible mounting options due to compact design.
Does it require additional software or firmware?
No, fully managed via SLC 500 PLC.
What is the expected operational lifespan?
Over 10 years of reliable industrial performance.
Is it suitable for time-critical control applications?
Yes, provides fast and accurate digital input detection for responsive automation.