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The ABB DO810 (3BSE008510R1) is a 16-channel digital output module designed for the S800 I/O system. This module provides reliable, high-side switching for 24 V d.c. applications, making it suitable for driving field devices such as relays, contactors, and indicator lamps within industrial control environments. The module features two isolated groups of eight channels, each equipped with process voltage supervision to ensure system integrity.

Features

  • 16-channel digital output configuration (24 V d.c. current sourcing).
  • Two isolated groups of eight channels, each with independent process voltage supervision.
  • Integrated Output Set to Predetermined state (OSP) functionality for safe-state management during communication loss.
  • Comprehensive protection: short-circuit to ground, short-circuit to 30 V, over-temperature, and over-voltage protection.
  • Channel-specific status indication via LEDs.
  • Optical isolation barrier between field and system signals.

Applications

  • Burner Management Systems (BMS) for sequential control of ignition devices and fuel valves.
  • Pump and compressor sequencing, including motor starter management.
  • Turbine control auxiliaries, such as cooling fan and motorized valve control.
  • Substation automation for triggering circuit breakers and isolators.

Technical Specifications

Model DO810 (3BSE008510R1)
Number of Channels 16
Output Type 24 V d.c. Current Sourcing
Max Continuous Current 0.5 A per channel
Rated Insulation Voltage 50 V
Dielectric Test Voltage 500 V a.c.
Current Consumption (+5V ModuleBus) 80 mA
Operating Temperature 0 to +55 degC
Storage Temperature -40 to +70 degC
Relative Humidity 5 to 95%, non-condensing

Installation Guidelines

  • Ensure the system is powered down before installing or removing the module from the S800 I/O cluster.
  • The module should be mounted in a clean, dry environment protected from direct exposure to corrosive gases or excessive dust.
  • Ensure proper grounding practices are followed to maintain EMC immunity, particularly when handling inductive loads.
  • Use shielded cables for field wiring to minimize EMI interference in high-noise industrial environments.
  • Verify that the process voltage is within the specified 10-30 V d.c. range to prevent false supervision error signals.

FAQ

What is the primary function of the DO810?

The DO810 acts as a digital interface between the control system (e.g., 800xA or Freelance) and field equipment, providing 16 channels of 24 V d.c. outputs for device control.

How does the module handle communication errors?

The module utilizes the OSP (Output Set to Predetermined) function, which allows outputs to transition to a predefined safe state if a communication fault or watchdog timeout occurs.

What protection features are included?

Each channel is protected against short circuits, over-temperature, and over-voltage conditions. Additionally, the module provides inductive load suppression to protect the internal high-side drivers.

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