Introduction

The ABB DI825 3BSE036373R1 Module Terminal Unit provides secure, high-density digital input connections for ABB automation systems.
Its robust design, fast response, and reliable isolation make it ideal for distributed control and remote I/O applications.
With simple installation and integration into AC800M or Advant Controller systems, the DI825 ensures accurate input processing and contributes to overall system stability.

Technical Specifications

Parameter	Description
Module Type	Module Terminal Unit / Digital Input
Model	DI825 3BSE036373R1
Input Channels	16 digital inputs
Input Voltage	24 VDC
Isolation	Group-to-bus electrical isolation
System Compatibility	ABB AC800M, Advant Controller systems
Diagnostics	Input status & fault reporting
Installation	ABB I/O baseplate compatible
Dimensions	45 × 102 × 119 mm
Weight	0.14 kg

Recommended Related Models

Model	Description
DI810	Standard 16-channel digital input module
DI818	Industrial-grade digital input module
DI820	High-speed digital input module
DO810	Digital output module
AO810	Analog output module
AI810	Analog input module
TU810	Base unit for ABB I/O configurations
DI814	High-density digital input module
CI854A	Communication interface module
PM861	AC800M CPU controller module

Popular Related Models

Model	Description
DI825	Module terminal unit for digital inputs
DI810	Standard digital input module
DI818	Industrial-grade digital input module
DO814	Digital output module
AI810	Analog input module
AO810	Analog output module
PM864	High-performance AC800M CPU
CI854A	PROFIBUS communication module
TU830	Base termination unit
DO820	Relay-style output module

Applications

The GE DS200FGPAG1AGD Gate Pulse Amplifier Board is designed to deliver precise gate pulses for high-power thyristor control in industrial and power generation systems.
It is extensively used in gas and steam turbine generators to ensure accurate firing of power electronics devices, maintaining optimal energy conversion and system stability.

Advantages

Reliable signal termination with secure screw-type connections
Compact design for space-efficient installation
Fast and accurate signal processing for digital inputs
Electrical isolation to safeguard controllers from field faults
LED indicators for quick verification of channel status
Industrial-grade durability for long-term operational stability
Seamless integration with ABB system I/O racks
Low maintenance requirements due to robust construction

FAQs

1. How many digital inputs can the DI825 terminal unit handle?
It provides 16 digital input channels for connection to field devices.

2. What type of signals does the module support?
It is designed for standard 24 VDC digital signals.

3. Does the DI825 provide isolation between the inputs and the controller?
Yes, input groups are electrically isolated to protect the system from interference or faults.

4. Can the DI825 detect rapid input changes from field devices?
Yes, it supports fast detection suitable for real-time control applications.

5. Are there any input filtering mechanisms to prevent false signals?
Yes, it has built-in input filtering to minimize false triggering due to noise.

6. Can this module be replaced without shutting down the system?
Yes, controlled replacement is possible in compatible ABB I/O configurations.

7. What diagnostic capabilities are included?
It provides status indication and fault reporting for each input channel to the controller.

8. Is the DI825 compatible with redundant controller setups?
Yes, it works in redundant AC800M system configurations.

9. How does the module protect against wiring errors or polarity issues?
It includes protective circuitry to prevent damage from miswiring or reversed polarity.

10. Which ABB controllers are compatible with the DI825?
It is fully compatible with AC800M controllers and Advant Controller systems supporting standard digital I/O modules.

Look forward to your comments!Comment