ABB AX645 3BHB001914R1 Analog Input Module

FAQ

Q1: What is the main purpose of the ABB AX645 module?
It provides multiple isolated analog input channels to measure process signals such as voltage and current in industrial automation and control systems.

Q2: How many analog channels does the AX645 offer?
The module offers 4 independent analog input channels.

Q3: What types of signals can the AX645 measure?
It can measure voltage signals (0–10 V, 0–5 V, ±10 V) and current signals (0/4–20 mA), configurable per channel.

Q4: Does the AX645 provide electrical isolation?
Yes, it provides galvanic isolation between channels and the system backplane to improve signal integrity and safety.

Q5: How are field signals connected to the AX645 module?
Field signals are connected via screw terminal blocks or a plug-in terminal base for secure field wiring.

Q6: Does the module include any status indication?
Yes, it includes LED indicators indicating module power and each channel’s operational status.

Q7: Can the AX645 be used in harsh industrial environments?
Yes, it is designed for industrial automation applications within its specified temperature range.

Q8: What are the physical dimensions and weight of the AX645?
The module measures approximately 22 mm × 115 mm × 100 mm and weighs about 0.32 kg.

3BHB001914R1 ABB AX645

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