Allen-Bradley 1794-IA8 AC Digital Input Module

FAQ

Q1. What is the main function of the 1794-IA8?
It is a FLEX I/O module used to read 8 AC digital input signals from field devices in industrial systems.

Q2. What type of inputs does it support?
It supports 120 VAC non-isolated discrete inputs.

Q3. How many input channels are available?
It provides 8 independent AC input channels.

Q4. What is the input voltage range?
It operates between 85 and 132 VAC with a nominal 120 VAC.

Q5. Does it provide isolation between channels?
No, the inputs are non-isolated but the module provides overall isolation from logic circuitry.

Q6. What is the response time?
Typical response is about 8.4 ms for ON and 26.4 ms for OFF transitions.

Q7. What are its physical size and weight?
It measures approximately 9.4 × 6.9 × 9.4 cm and weighs about 0.40 kg.

Q8. What applications is it typically used for?
It is commonly used in industrial automation to monitor AC-powered devices such as switches, relays, and machine status signals.

1794-IA8 Allen Bradley

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