ABB AX521 1SAP250100R0001 Analog Input Module

FAQ

Q1: What is the main function of the ABB AX521 module?
It provides two isolated analog input channels for measuring process signals such as current or voltage in industrial automation systems.

Q2: How many analog input channels does the AX521 support?
It supports 2 independent analog input channels.

Q3: What types of analog signals can be measured?
It can measure current signals (0–20 mA, 4–20 mA) and voltage signals (0–10 V), configured per channel.

Q4: Does the module provide electrical isolation?
Yes, it offers galvanic isolation between channels and the system backplane to improve measurement reliability and safety.

Q5: How are field signals connected to the AX521?
Field wiring is connected through screw terminal or plug-in terminal base connectors for secure installation.

Q6: Does the AX521 provide status indication?
Yes, it includes LED indicators that show module power status and input activity or fault conditions.

Q7: Is this module suitable for harsh industrial environments?
Yes, it is designed for industrial automation and process control use within standard operating temperature ranges.

Q8: What are the physical dimensions and weight of the AX521?
The module measures approximately 20 mm × 104 mm × 104 mm and weighs about 0.12 kg.

1SAP250100R0001 ABB AX521

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