ABB AO820 3BSE008546R1 S800 I/O System Analog Output Module

Frequently Asked Questions (FAQ)

Q1: Does the AO820 support simultaneous voltage and current output per channel?
A1: No, each channel can be configured for either voltage or current output, not both at the same time.

Q2: Is HART communication supported by the AO820?
A2: No, the AO820 does not support HART protocol.

Q3: Does the module have automatic diagnostic functions in case of output faults?
A3: Yes, it supports diagnostics for low output power and open circuit conditions and reports them via LED indicators and ModuleBus.

Q4: What is the output accuracy of the AO820?
A4: Voltage output has a max error of 0.1%. Current output typically has 0.1% error at 250Ω, and a max of 0.15%.

Q5: Does the module support redundancy?
A5: No, redundancy is not supported on the AO820 module.

Q6: Is the AO820 certified for intrinsic safety?
A6: No, the module does not support intrinsic safety certifications.

Q7: What is the maximum cable length supported?
A7: The AO820 supports a maximum field cable length of 600 meters.

Q8: Which MTUs are compatible with AO820?
A8: The module is compatible with TU810, TU812, TU814, TU830, and TU833.

3BSE008546R1 ABB Analog Output Module AO820 S800 I/O System

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