ABB AI931 Analog Input Module

FAQ

Q1: What is the primary purpose of the ABB AI931 module?
It is used to acquire and convert analog process signals for use in measurement, monitoring, and control applications.

Q2: How many analog input channels does the AI931 provide?
The module provides four independent analog input channels.

Q3: What types of signals can this module measure?
It supports a range of analog signals including 0–10 V, 0–5 V, ±10 V, and 4–20 mA.

Q4: Does the AI931 offer electrical isolation?
Yes, it provides galvanic isolation between channels and the system backplane for improved signal integrity and safety.

Q5: How are field signals connected to the AI931?
Signals are connected via screw terminal blocks or a plug-in terminal base for secure field wiring.

Q6: Does the module provide status indication?
Yes, it has LED indicators to show power status and channel activity or fault conditions.

Q7: Can the AI931 operate in harsh industrial environments?
Yes, it is designed for industrial automation use within the specified operating temperature range.

Q8: What are the physical dimensions and weight of the AI931?
The module measures approximately 20 mm × 104 mm × 104 mm and weighs around 0.15 kg.