ABB DI820 3BSE008512R1 8 Digital Input Module

Product Overview

The ABB DI820 (3BSE008512R1) is an 8-channel digital input module for the S800 I/O system. It supports 120 V AC and 110 V DC inputs with individual channel isolation, making it ideal for high-voltage digital signals.

Key Specifications

• Manufacturer: ABB
• Part Number: DI820 (3BSE008512R1)
• Product Type: Digital Input Module
• System: S800 I/O
• Channels: 8
• Voltage: 120 V AC (77–130 V), 110 V DC (75–145 V)
• Isolation: Individually isolated channels
• MTU Compatibility: TU811/TU811V1, TU813, TU831, TU839, TU851

Applications

• High-voltage motor status feedback
• Switchgear position monitoring
• Legacy high-voltage interlock systems

FAQ

Q: Can DI820 be used for both AC and DC inputs simultaneously?
A: No, all channels must be configured for the same input type (AC or DC) per group.

Installation Guide

1. Mount on compatible MTU.
2. Wire 120V AC or 110V DC inputs.
3. Verify input type configuration in Control Builder M.

Selection Tips

• Use DI820 for high-voltage digital signals where individual isolation is required.
• For 24V DC inputs, use DI810 or DI814.