Allen-Bradley 1794-IM8 AC Digital Input Module

FAQ

Q1. What is the main function of the 1794-IM8?
It is a FLEX I/O module used to monitor 8 AC digital input signals such as switches, relays, and contactors.

Q2. What voltage does it support?
It supports 120/240 VAC industrial AC input signals, depending on wiring configuration.

Q3. How many input channels does it have?
It provides 8 AC digital input channels.

Q4. Is the module isolated?
Yes, it uses optical isolation between field inputs and system logic for protection.

Q5. What is the operating frequency range?
It operates on standard AC frequencies of 47–63 Hz.

Q6. What are its physical size and weight?
It measures approximately 6.9 × 9.4 × 9.4 cm and weighs about 0.10–0.13 kg.

Q7. What is the input grouping structure?
The module is divided into two groups of 4 inputs for wiring convenience.

Q8. What applications is it typically used for?
It is used in industrial automation systems for AC signal monitoring such as motor status feedback, auxiliary contacts, and machine interlocks in distributed I/O systems.