ABB DI825 S800 125V DC Digital Input Module | 8-Channel

ABB DI825 8-Channel 125V DC Digital Input Module

The ABB DI825 module brings high-voltage signal acquisition to your S800 I/O system. This robust 8-channel input module reliably interfaces with 125V DC field devices. It provides excellent noise immunity and precise event sequencing for industrial control applications.

Detailed Technical Specifications

• Brand: ABB
• Model: DI825
• Article Number: 3BSE036373R1
• Number of Channels: 8
• Signal Type: Current Sinking
• Input Voltage for Logic '1': 71 to 156 V DC
• Input Voltage for Logic '0': 0 to 20 V DC
• Input Current: 3.0 mA at 125 V DC
• Input Impedance: 41.5 kΩ
• Isolation: Individual channel isolation
• Rated Insulation Voltage: 250 V
• Dielectric Test Voltage: 2300 V AC
• Event Recording Resolution: 0.4 ms
• Maximum Field Cable Length: 600 meters

Environmental & Physical Data

• Operating Temperature: 0 to +55 °C (32 to 131 °F)
• Storage Temperature: -40 to +70 °C (-40 to 158 °F)
• Relative Humidity: 5 to 95%, non-condensing
• Protection Class: IP20 according to IEC 60529
• Pollution Degree: Degree 2
• Corrosion Protection: ISA-S71.04 G3
• Weight: 0.14 kg (0.31 lbs)
• Dimensions: 45 x 119 x 102 mm

Diagnostics & Indicators

• Front panel with Fault (F), Run (R), and Warning (W) LEDs
• Individual status indicator LED for each channel
• Automatic channel error detection for supervision inputs
• All error signals readable from ModuleBus

Compatibility & Installation

• Compatible with S800 MTUs including TU811, TU813, TU831
• Also works with TU839 and TU851 modules
• Required keying code: AB for proper installation
• Maximum 40°C ambient temperature for vertical mounting

Packaging & Shipping

• Secure protective packaging for safe transportation
• Includes one complete ABB DI825 digital input module
• Worldwide shipping via FedEx, UPS, and DHL services
• Fast order processing and delivery tracking

Frequently Asked Questions

• What is the voltage supervision feature? It allows one input channel to monitor the power supply for a group of other channels
• What does 'individually isolated' mean? Each input channel is electrically separated from others and system ground
• Can I use this module for safety systems? No, this is not a high-integrity or safety-certified module
• What is the filter time purpose? It eliminates false readings from electrical noise or switch bouncing