ABB DO802 (3BSE022364R1) – Digital Output Module for Industrial Automation
Overview
The ABB DO802 (3BSE022364R1) is a reliable digital output module designed for ABB distributed control and automation systems. It is used to transmit control signals from the system controller to field devices such as relays, solenoids, contactors, and indicator lamps. With stable switching performance and industrial-grade construction, the DO802 supports precise and dependable control in continuous-operation environments.
This module is widely applied in process automation and plant control systems where operational reliability and signal accuracy are essential.
Main Functions and Advantages
Provides stable digital output signals to field equipment
Designed for seamless integration with ABB automation platforms
High operational reliability for 24/7 industrial use
Strong resistance to electrical noise and interference
Compact design optimized for control cabinet installation

Technical Parameters
The ABB DO802 is a digital output module operating on standard industrial control voltage levels. It supports multiple output channels, enabling simultaneous control of several external devices. The module interfaces directly with ABB I/O systems and backplanes, receiving commands from the controller and converting them into stable output signals.
It is designed to operate within a wide industrial temperature range and is suitable for environments with vibration, electrical noise, and continuous load conditions.
Structural Design and Components
The DO802 module features a robust industrial housing with clearly marked terminals for easy wiring and identification. Internally, the output circuitry is designed with proper electrical isolation to protect the control system and connected field devices. The layout supports efficient heat dissipation, contributing to long service life and consistent performance.
Its modular form allows quick installation or replacement without disrupting adjacent modules.
Application Areas
The ABB DO802 (3BSE022364R1) is commonly used in:
Process automation systems
Power plants and substations
Oil and gas facilities
Chemical and pharmaceutical production
Manufacturing lines and auxiliary control systems
Installation Guidelines
Installation is performed by mounting the module into a compatible ABB I/O station or control rack. Wiring should follow ABB’s standard installation practices to ensure correct channel operation and system safety. Proper grounding and cabinet ventilation are recommended for optimal performance.

Maintenance and Reliability
The module requires minimal maintenance under normal operating conditions. Periodic inspections should focus on terminal tightness, environmental cleanliness, and system diagnostics. Thanks to its solid-state design and ABB-quality components, the DO802 offers long-term stability and low failure rates.
Additional Value
Fully compatible with ABB distributed control systems
Supports system expansion and modernization projects
Reduces downtime through dependable output performance
Suitable for both new installations and retrofit applications