ABB DO802 Digital Output Relay Module
Description
ABB DO802 Digital Output Relay Module is a modular digital output component designed for integration with ABB S800 I/O and AC 800M control systems. It converts digital signals from PLCs into relay control signals to operate external industrial devices, with isolated channels for enhanced reliability in harsh environments.
| Specification | Value |
|---|---|
| Output Channels | 8 or 16 channels (8 channels typical) |
| Relay Type | Solid state or mechanical; normally open (NO) typical |
| Output Voltage/Current | 110V DC / 250V AC, 2A continuous per channel |
| Operating Temperature Range | -20 to 60 degrees Celsius |
| Protection Rating | IP20 or higher |
| Mechanical Dimensions | 86.1mm × 58.5mm × 102mm (8-channel model) |
| Installation | DIN rail mounting |
Key Features:
- Full isolation between output channels and circuit common to prevent external interference
- Modular design for easy installation, maintenance, and system expansion
- Front-panel LED indicators for module and individual channel status monitoring
- Relay power supply voltage monitoring with error and warning signal output via ModuleBus
- Supports up to 600 meter field cable lengths for flexible system layout
Applications:
- Process control systems for valve, pump, and actuator control
- Machine automation for packaging, assembly, and material handling equipment
- Building automation for lighting, HVAC, and access control systems
- Water treatment and wastewater management systems
Related Models:
- DO210
- DO801
- DO810
- DO814