DI811 48V DC Digital Input Module | 16-Channel ABB

Product Overview

The ABB DI811 16-channel digital input module handles higher voltage 48V DC signals for S800 systems. This robust module features dual isolated groups with comprehensive voltage supervision for industrial applications.

Key Technical Specifications

• Brand: ABB
• Article Number: DI811 3BSE008552R1
• Product Type: Digital Input Module
• Signal Specification: 48 V DC
• Channel Count: 16 channels
• Input Voltage Range: 36-60V DC
• Input Current: 4 mA at 48V
• Isolation Scheme: 2 groups of 8 channels

Electrical Specifications

• Logic "0" Level: -60 to +10 V
• Logic "1" Level: 30 to 60 V
• Input Impedance: 11 kΩ
• Filter Times: 2, 4, 8, 16 ms selectable
• Dielectric Test Voltage: 500 V AC
• Power Dissipation: 2.7 W typical

Isolation & Protection Features

• Isolation Configuration: Two individually isolated groups
• Group Size: 8 channels per isolated group
• Voltage Supervision: One monitoring input per group
• Current Limiting: MTU-controlled protection
• EMC Protection: Integrated filtering components
• Optical Isolation: Channel isolation barriers

Diagnostics & Monitoring

• Status Indicators: Fault, Run, Warning LEDs
• Channel Indicators: Individual status for all 16 channels
• Voltage Supervision: Process voltage monitoring per group
• Error Detection: Module Error, Module Warning, Channel Error
• Communication: Error signals readable via ModuleBus

Physical Specifications

• Width: 45 mm
• Depth: 102 mm (111 mm with connector)
• Height: 119 mm
• Weight: 0.15 kg
• Mechanics: S800 form factor

Compatibility & Installation

• Compatible MTUs: TU810, TU812, TU814, TU818, TU830, TU833, TU838, TU850
• Keying Code: BD
• Maximum Cable Length: 600 meters
• Protection Class: IP20 according to IEC 60529

Environmental Ratings

• Operating Temperature: 0 to +55 °C
• Storage Temperature: -40 to +70 °C
• Humidity Range: 5 to 95% non-condensing
• Hazardous Location: C1 Div 2 cULus, ATEX Zone 2
• Marine Certifications: ABS, BV, DNV, LR

Frequently Asked Questions

• What voltage range does this module support?
  The module handles 36-60V DC input signals with 4mA current consumption at 48V.
• How is the isolation configured?
  The 16 channels are divided into two isolated groups of 8, each with dedicated voltage supervision.
• What are the physical dimensions?
  This compact module measures 45×102×119 mm and weighs 0.15 kg for space-efficient installation.