Allen-Bradley 1794-IF8IH HART Analog Input Module

FAQ

Q1. What is the main function of the 1794-IF8IH?
It is a FLEX I/O HART-enabled analog input module used to read and diagnose 4–20 mA process signals from field instruments.

Q2. What makes this module different from standard analog input modules?
It supports HART communication, allowing both analog measurement and digital device diagnostics over the same wiring loop.

Q3. How many input channels does it provide?
It provides 8 isolated analog input channels.

Q4. What type of signal does it support?
It supports 4–20 mA analog signals with embedded HART digital communication.

Q5. Is the module isolated?
Yes, it provides channel-to-channel and field-to-system isolation for improved noise immunity and safety.

Q6. What is the resolution of the module?
It uses 16-bit resolution for high-precision signal measurement.

Q7. What are its physical size and weight?
It measures approximately 9.4 × 9.4 × 6.6 cm and weighs about 0.20 kg.

Q8. What applications is it typically used for?
It is used in process industries such as oil & gas, chemical, and water treatment where smart transmitters with HART diagnostics are required.