AI801 | ABB 3BSE020512R1 Analog Input Module 8-channel

Product Overview

The ABB AI801 (3BSE020512R1) is an 8-channel analog input module for the S800 I/O system. It supports 0(4)–20 mA current signals and is compatible with AC 800M, AC 800F, and PROFIBUS-connected controllers.

Key Specifications

• Manufacturer: ABB
• Part Number: AI801 (3BSE020512R1)
• Product Type: Analog Input Module
• System: S800 I/O
• Channels: 8
• Input Range: 0(4)–20 mA
• Resolution: 12-bit + sign
• Isolation: Group isolated from ground
• HART: Not supported
• MTU Compatibility: TU810, TU812, TU814, TU830, TU833, TU838, TU850

Applications

• 4–20 mA process variable monitoring
• Flow, pressure, level transmitters
• Temperature transmitter inputs

FAQ

Q: Does AI801 support HART?
A: No, for HART capability use AI810, AI815, or AI845.

Q: Can AI801 be replaced under power?
A: Yes, S800 I/O modules support hot swap when used with compatible MTUs.

Installation Guide

1. Mount AI801 on a compatible MTU (e.g., TU810V1).
2. Wire 4–20 mA signals to the terminal block.
3. Verify channel LED indicators for signal presence.
4. Configure in Control Builder M.

Selection Tips

• Choose AI801 for basic 4–20 mA inputs without HART.
• For HART pass-through, upgrade to AI810 or AI815.