DI820 S800 Digital Input Module ABB

Product Overview

The ABB DI820 3BSE008512R1 is a versatile 8-channel digital input module for S800 systems. It handles both AC and DC signals with 77-130V AC and 75-145V DC input ranges. Each channel features individual isolation for maximum operational safety and reliability in industrial environments.

Key Features and Benefits

• The module provides 8 individually isolated channels for enhanced safety
• It supports dual voltage types - 120V AC and 110V DC inputs
• Voltage supervision capability through channels 1 and 8
• Each channel includes built-in EMC protection and current limiting
• Analog filtering with 6 ms response time for stable operation
• Bright status LEDs provide clear input state indication

Technical Specifications

• Brand: ABB
• Model: 3BSE008512R1 DI820
• Product Type: Digital Input Module for S800
• Signal Specification: 120V AC / 110V DC, Current Sinking
• Number of Channels: 8
• AC Input Range: 77-130V AC, 10 mA at 120V AC
• DC Input Range: 75-145V DC, 2.8 mA at 110V DC
• Input Impedance: 12 kΩ (AC) / 39 kΩ (DC)
• Isolation: Individually isolated channels
• Filter Times: 2, 4, 8, 16 ms (selectable)
• Frequency Range: 47-63 Hz
• Maximum Cable Length: 200m (AC), 600m (DC)
• Rated Insulation Voltage: 250V
• Power Dissipation: Typically 2.8W
• Operating Temperature: 0°C to +55°C

Installation and Compatibility

• Compatible with S800 MTUs including TU811, TU813, and TU831
• Uses keying code AB for proper installation
• Compact dimensions: 45mm (W) x 119mm (H) x 102mm (D)
• For vertical mounting, maximum ambient temperature is 40°C
• Easy integration with S800 I/O system architecture

Diagnostics and Supervision

• Channel 1 supervises channels 2-4, Channel 8 supervises channels 5-7
• Warning LED activates when supervised voltage disappears
• Front panel shows F(ault), R(un), W(arning) and channel status
• Error signals accessible through ModuleBus communication
• Real-time monitoring of all input channel states

Packaging and Shipping

• Includes one ABB 3BSE008512R1 digital input module
• Secure packaging ensures damage-free delivery
• Global shipping via FedEx, UPS, and DHL carriers
• Quick dispatch from warehouse stock

Frequently Asked Questions (FAQ)

• What is the input current consumption? 10 mA at 120V AC, 2.8 mA at 110V DC
• How does voltage supervision work? Channels 1 and 8 monitor power to adjacent channels
• What cable lengths are supported? 200m for AC, 600m for DC signals
• Is this module marine certified? Yes, with ABS, BV, DNV, and LR approvals
• What filter options are available? Analog filter plus selectable 2-16 ms digital filters