ABB DI801 3BSE020508R1 S800L Digital Input Module

Functional Performance

The ABB DI801 functions as a high-density digital input interface for the S800L I/O system, providing 16 independent channels for industrial signal monitoring. By utilizing this module, operators can effectively capture binary signals from field devices such as push buttons, limit switches, and proximity sensors. To ensure maximum reliability, the module filters incoming signals to eliminate contact bounce and electrical noise, thereby delivering clean data to the controller. Furthermore, its integration with the AC 800M platform allows for seamless diagnostic tracking and real-time status reporting across the entire automation network.

Operational Characteristics

• Optimizes Space Utilization: The compact S800L design allows for high-density mounting on DIN rails. As a result, engineers can significantly reduce the size of control cabinets without sacrificing I/O capacity.
• Simplifies Field Wiring: The module features a detachable terminal block system. Consequently, technicians can perform maintenance or module replacements without disturbing the existing field cables, which minimizes system downtime.
• Enhances Signal Integrity: Each of the 16 channels includes dedicated galvanic isolation. In doing so, the hardware protects the internal logic circuitry from high-voltage surges and ground loops originating in the field.
• Provides Visual Diagnostics: Front-mounted LED indicators display the status of every input channel. Therefore, maintenance teams can quickly identify faulty field devices through direct visual inspection during troubleshooting.
• Supports Flexible Configuration: The DI801 accommodates various input voltages, typically supporting 24 V DC sink configurations. Because of this versatility, it serves as a universal solution for diverse digital sensing applications.

Technical Specifications

• Article Number: 3BSE020508R1
• Model Identifier: DI801
• I/O Type: Digital Input (Sink)
• Number of Channels: 16
• Rated Input Voltage: 24 V DC
• Input Voltage Range: 15 V to 30 V DC
• Isolation: Galvanic isolation between field and logic
• Power Dissipation: 1.6 W
• Input Filter Time: Programmable 
• Module Connection: S800L ModuleBus
• Protection Class: IP20
• Operating Temperature: 0 °C to +55 °C
• Storage Temperature: –40 °C to +70 °C
• Weight: 0.2 kg