ABB AO890 3BSC690072R1 S800 I/O System Analog Output Module

Frequently Asked Questions (FAQ)

Q1: Does the AO890 module support intrinsic safety?
A1: Yes, each channel includes intrinsic safety components for hazardous areas.

Q2: What is the maximum output current per channel?
A2: Normal range is 0–20 mA, with 22 mA maximum in overload.

Q3: Is HART communication supported?
A3: No, AO890 does not support HART communication.

Q4: Which MTU units are compatible with AO890?
A4: It is compatible with TU890 (for Ex applications) and TU891 (non-Ex).

Q5: Does AO890 support redundancy?
A5: No, redundancy is not supported in this module.

Q6: Are the output channels isolated from each other?
A6: No, channels are groupwise isolated from ground, not individually.

Q7: What is the load resistance range for AO890?
A7: Maximum 725 Ω at 20 mA and 625 Ω at 22 mA.

Q8: What hazardous area certifications are supported?
A8: Supports ATEX/IECEx Zone 2 to Zone 0 interface and cFMus C1 Div 2.

3BSC690072R1 ABB Analog Output Module AO890 S800 I/O System

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