The ABB DI810 3BSE008508R1 is a 16-channel 24 V DC digital input module designed for the ABB S800 I/O system. This compact and robust module enables reliable acquisition of field digital signals in demanding industrial automation environments. The DI810 is widely deployed in distributed control systems (DCS) such as ABB 800xA and AC 800M, where high-density and efficient signal processing is required.

This module supports single-ended input channels with non-isolated configurations, making it ideal for systems where common ground referencing is acceptable. The integration of LED indicators and support for standard terminal units enhances ease of installation, diagnostics, and long-term maintenance.

Key Features

• 16 digital inputs for 24 V DC sink-type (negative logic) signals

• Designed for the ABB S800 I/O system

• Status LEDs for each channel

• High-density input architecture for compact installations

• Excellent EMC performance and reliability

• Supports standard TU810/TU830 terminal units

• Suitable for hot-swapping in live systems

• Diagnostics support for fast troubleshooting

Technical Specifications

Industry Applications

The ABB DI810 module is used across industries where reliable and cost-effective digital signal acquisition is needed. Key application areas include:

• Power Plants – Input monitoring for breakers, relays, and switches

• Chemical Processing – Digital signal processing for process interlocks

• Oil & Gas Facilities – Remote I/O in wellheads and pipeline stations

• Water Treatment Plants – Input signal monitoring for pumps and valves

• Metals and Mining – Monitoring of limit switches and field sensors

• Factory Automation – High-density input for packaging and assembly lines

Product Advantages

• Compact and Cost-Efficient – 16 channels in a single module reduce space and cost

• Standard 24 V DC Inputs – Compatible with widely used industrial field signals

• Simple Wiring – Single-ended design simplifies wiring in grounded systems

• Reliable Status Feedback – Per-channel LEDs enhance real-time monitoring

• Flexible Terminal Options – Works with multiple S800 terminal units

• ABB System Integration – Fully compatible with AC 800M and 800xA

Frequently Asked Questions (FAQ)

1. How many digital inputs does the DI810 support?

   It supports 16 digital input channels.

2. Is channel-to-channel isolation provided in DI810?

   No, the DI810 is a non-isolated single-ended input module.

3. What is the recommended input voltage?

   The nominal input voltage is 24 V DC, with a range of 18–30 V DC.

4. Does the module support hot-swapping?

   Yes, DI810 supports hot-swapping for ease of maintenance.

5. Can I use this with TU830V1 terminal unit?

   Yes, it is fully compatible with TU810V1, TU830V1, and TU840V1.

6. What logic type does DI810 support?

   It supports sink-type logic (negative logic) digital signals.

7. Is DI810 suitable for safety-critical systems?

   While not a safety-certified module, it is used in many standard automation systems.

8. Does the module provide status indication?

   Yes, each input has a dedicated status LED.

9. Is it certified for marine or global use?

   Yes, it carries CE, UL, RoHS, and marine certifications.

10. How is wiring done for this module?

    Wiring is via compatible S800 terminal units, providing simplified and secure connections.