ABB DO880 3BSE028602R – Digital Output Module
1. Module Summary
The ABB DO880 (3BSE028602R) is a high-performance digital output module designed for the ABB AC 800M control system family. Engineered for industrial-grade reliability, it provides secure and stable output switching for a wide range of automation tasks. With robust isolation, high channel density, and durable hardware design, the DO880 is widely used in process industries such as power generation, petrochemicals, water processing, and manufacturing.
2. Key Characteristics
High Output Reliability: Designed to deliver consistent switching performance with strong resistance to electrical noise.
Individually Protected Channels: Each output includes protection mechanisms to prevent overload and short-circuit failures.
Flexible Voltage Support: Suitable for common industrial DC output applications.
Diagnostic Feedback: LED indicators provide immediate channel status and module health information.
Hot-Swap Compatibility: Can be replaced without shutting down the entire system (depending on system configuration).

3. Technical Parameters
Output Channels: 16 digital outputs
Output Type: Solid-state or transistor-based switching
Rated Voltage: 24 VDC typical industrial supply
Current per Channel: High-output current capability for direct field device activation
Isolation: Channel-to-bus and channel-to-channel protection
Power Consumption: Low internal power draw for efficient system operation
Operating Temperature: –20°C to +55°C
Communication: Connected through the modulebus to AC 800M base units
Mounting Style: DIN-rail / AC 800M standard baseplate installation
4. Construction & Internal Design
The DO880 module integrates:
A multi-layer output driver board engineered for fast and reliable electrical switching
Noise-suppression circuits to ensure stable operation in high-EMI industrial environments
Front-panel LEDs displaying real-time output status
Plug-in field terminal block, simplifying wiring and maintenance
Backplane connector providing communication and power through AC 800M infrastructure
Reinforced enclosure designed for vibration-heavy plant areas

5. Typical Applications
The DO880 is widely deployed in automation systems requiring dependable digital control signals:
Actuator and solenoid control
Motor starters, contactors, and relay triggering
On/off valve control in power plants and chemical industries
Alarm annunciation and interlock signaling
Conveyor and machinery sequencing
General-purpose discrete automation tasks across industrial plants
6. Installation Recommendations
Mount the module on the designated AC 800M baseplate with proper grounding.
Use shielded field wiring for long-distance installations to avoid signal interference.
Ensure power supply stability and verify polarity before connecting output devices.
Maintain adequate airflow around the module to support thermal dissipation.
Regularly inspect terminals for secure fastening, especially in vibration-prone environments.
Use ABB Control Builder tools to configure output mapping and perform diagnostics.

7. Maintenance Guidelines
Monitor LED indicators frequently for abnormal states.
Perform scheduled checks on load wiring and connected field devices.
Replace faulty output channels using ABB service procedures to avoid downtime.
Keep module firmware updated when applicable to ensure compatibility with system upgrades.
Clean connectors periodically to avoid oxidation or signal loss.
8. Additional Notes
The ABB DO880 3BSE028602R combines durability, high switching performance, and simplified integration into ABB’s AC 800M architecture. Its robust construction and comprehensive protection features make it a dependable component for long-term industrial automation.