DI825 125V DC Digital Input Module ABB

Product Overview

The ABB DI825 digital input module provides high-voltage signal acquisition with advanced monitoring capabilities for S800 I/O systems. This 8-channel module features individual channel isolation and sophisticated voltage supervision for critical industrial applications.

Key Technical Specifications

• Brand: ABB
• Model: DI825
• Article Number: 3BSE036373R1
• Product Type: Digital Input Module
• Signal Specification: 125 V DC
• Channel Count: 8 channels
• Input Type: Current sinking
• SOE Capability: Yes

Electrical Specifications

• Input Voltage Range: 71-150 V DC
• Input Current: 3.0 mA at 125V
• Logic "0" Level: 0-20 V DC
• Logic "1" Level: 71-156 V DC
• Input Impedance: 41.5 kΩ
• Power Dissipation: Maximum 4.9 W

Isolation & Protection

• Isolation Scheme: Individual channel isolation
• Dielectric Test Voltage: 2300 V AC (Ch-Ground)
• Channel Isolation: 1350 V AC (Ch-Ch)
• Current Limiting: MTU-controlled protection
• EMC Protection: Integrated protection components

Voltage Supervision System

• Supervision Channels: Channel 1 and Channel 8
• Monitoring Coverage: Channel 1 supervises channels 2-4
• Monitoring Coverage: Channel 8 supervises channels 5-7
• Error Detection: Warning LED activation on voltage loss
• Communication: Error signals readable via ModuleBus

Sequence of Event Features

• SOE Functionality: Advanced event recording
• Event Accuracy: -0.25 ms to +1.0 ms
• Event Resolution: 0.4 ms precision
• Filter Times: 0-100 ms selectable
• Recording Capability: High-precision timing

Performance Specifications

• Filter Selection: Digital filtering 0-100 ms
• Cable Length: 600 meters maximum
• ModuleBus Current: Maximum 90 mA at +5V
• Insulation Rating: 250 V rated voltage

Physical Specifications

• Width: 45 mm
• Depth: 102 mm (111 mm with connector)
• Height: 119 mm
• Weight: 0.14 kg
• Mechanics: S800 form factor

Environmental & Compliance

• Operating Temperature: 0 to +55 °C
• Storage Temperature: -40 to +70 °C
• Protection Class: IP20 according to IEC 60529
• Corrosion Protection: ISA-S71.04 G3
• RoHS Compliance: DIRECTIVE/2011/65/EU

Compatibility

• Compatible MTUs: TU811, TU813, TU831, TU839, TU851
• Keying Code: AB
• System Integration: S800 I/O architecture

Frequently Asked Questions

• What is the SOE functionality?
  The DI825 provides Sequence of Event recording with 0.4ms resolution for precise event timing.
• How does voltage supervision work?
  Channel 1 supervises channels 2-4 and Channel 8 supervises channels 5-7 with error reporting.
• What are the isolation ratings?
  The module provides 2300V AC channel-to-ground and 1350V AC channel-to-channel isolation.

Contact Information

For pricing and technical support, please contact: sale@etowonauto.com