SKU: ABB DSDO115A

ABB DSDO115A 3BSE018298R1 Advant S800 I/O Digital Output Module

The ABB DSDO115A (3BSE018298R1) is a 32-channel digital output module for the S800 I/O series. It delivers 24V DC control for field devices, featuring group-wise galvanic isolation, short-circuit protection, and real-time LED diagnostics to ensure maximum reliability and safety in industrial automation environments.

Product Overview

The ABB 3BSE018298R1, model DSDO115A, functions as a high-density digital output interface for the Advant OCS and S800 I/O systems. This module provides 32 isolated output channels, allowing a single unit to control a wide array of field devices such as solenoid valves, actuators, and indicators. By translating internal controller commands into 24V DC signals, the DSDO115A drives industrial equipment with high precision and reliability.

Efficiency and safety drive the architecture of the DSDO115A. The module organizes its 32 channels into four groups, providing group-wise galvanic isolation to protect the sensitive control logic from external electrical surges and field-side interference. Each channel incorporates sophisticated short-circuit protection and thermal overload monitoring, which automatically safeguards the circuitry if a field fault occurs. Furthermore, the DSDO115A supports “keep-current” functionality and programmable fail-safe states, ensuring that the system remains in a known, safe configuration during communication interruptions.

The module simplifies maintenance through its integrated diagnostic capabilities. An onboard LED array provides instant visual status for every individual channel, while the system software monitors the module for internal hardware failures or power loss. Because the DSDO115A features a compact, modular design, it snaps directly onto standard DIN rails via a terminal base (such as the TU810), reducing cabinet footprint and streamlining the wiring process for large-scale automation projects.

Technical Specifications

Manufacturer: ABB
Model Designation: DSDO115A
Order Code: 3BSE018298R1
I/O Type: Digital Output (DO)
Channel Count: 32 Channels (Grouped 4 x 8)
Rated Voltage: 24 V DC (Operating range 19.2 to 30 V DC)
Output Current: Max 0.5 A per channel
Isolation: Galvanic isolation between groups and system logic
Diagnostic Indicators: Front-panel LEDs for Power, Fault, and Channel Status (32)
Protection Features: Built-in short-circuit protection and over-temperature shutdown
Installation: Mounts on TU810, TU812, or TU814 Terminal Bases
Hot Swap Support: Enables module replacement without powering down the station
Environmental Rating: Hardened for industrial temperature ranges and humidity