ABB|FAU800|Fault Annunciator Unit
Description
The ABB FAU800 is a compact, high-performance fault annunciator unit designed for monitoring and signaling system faults in industrial applications.
Features
- Simple installation and configuration.
- Reliable fault detection and signaling.
- Flexible integration with control systems.
- Compact design for space-saving applications.
Technical Specifications
Electrical
- Input Voltage: 24 V DC, range 18–36 V DC.
- Power Consumption: Max 5 W at 24 V DC.
- Input Channels: 8 digital inputs, expandable to 16.
- Input Signal: 24 V DC, min 15 V DC for high state, max 5 V DC for low state.
- Output Relays: 2 relay outputs, 250 V AC/30 V DC, 2 A max.
Performance
- Response Time: ≤ 10 ms for fault detection.
Environmental
- Operating Temperature: -20°C to +60°C.
- Storage Temperature: -40°C to +85°C.
- Humidity: 5% to 95%, non-condensing.
Physical
- Dimensions: 90 mm (H) x 45 mm (W) x 115 mm (D).
- Weight: Approx. 200 g.
Protection
- Protection Class: IP20 per IEC 60529.
Communication
- Communication: RS-485 interface, Modbus RTU protocol supported.
- Baud Rate: 9600 to 115200 bps, configurable.
ABB|FAU800|Fault Annunciator Unit


ABB|FAU800|Fault Annunciator Unit
Description
The ABB FAU800 is a compact, high-performance fault annunciator unit designed for monitoring and signaling system faults in industrial applications.
Features
- Simple installation and configuration.
- Reliable fault detection and signaling.
- Flexible integration with control systems.
- Compact design for space-saving applications.
Technical Specifications
Electrical
- Input Voltage: 24 V DC, range 18–36 V DC.
- Power Consumption: Max 5 W at 24 V DC.
- Input Channels: 8 digital inputs, expandable to 16.
- Input Signal: 24 V DC, min 15 V DC for high state, max 5 V DC for low state.
- Output Relays: 2 relay outputs, 250 V AC/30 V DC, 2 A max.
Performance
- Response Time: ≤ 10 ms for fault detection.
Environmental
- Operating Temperature: -20°C to +60°C.
- Storage Temperature: -40°C to +85°C.
- Humidity: 5% to 95%, non-condensing.
Physical
- Dimensions: 90 mm (H) x 45 mm (W) x 115 mm (D).
- Weight: Approx. 200 g.
Protection
- Protection Class: IP20 per IEC 60529.
Communication
- Communication: RS-485 interface, Modbus RTU protocol supported.
- Baud Rate: 9600 to 115200 bps, configurable.