ABB AO801 3BSE020514R1 Analog Output Module

Product Overview

The ABB AO801 (3BSE020514R1) is an 8-channel analog output module for the S800 I/O system. It provides 0–20 mA and 4–20 mA current outputs for controlling valves, drives, and other analog actuators.

Key Specifications

• Manufacturer: ABB
• Part Number: AO801 (3BSE020514R1)
• Product Type: Analog Output Module
• System: S800 I/O
• Channels: 8
• Output Range: 0–20 mA, 4–20 mA
• Resolution: 12-bit + sign
• Load: ≤ 750 Ω
• Isolation: Group isolated from ground
• MTU Compatibility: TU810, TU812, TU814, TU830, TU833, TU838, TU850

Applications

• Control valve positioning
• VFD speed references
• Analog actuator control

FAQ

Q: Does AO801 support HART?
A: No, for HART use AO810V2 or AO815.

Q: What happens on communication failure?
A: Outputs can be set to a predetermined safe state (OSP) via configuration.

Installation Guide

1. Mount on compatible MTU.
2. Wire outputs to field devices.
3. Configure output ranges and OSP values.

Selection Tips

• Select AO801 for standard 4–20 mA outputs.
• For HART or redundant applications, use AO810V2 or AO845A.