Description
Foxboro FPS400-24
Technical Specifications
- Output Voltage: 24 VDC.
- Power Rating: 400 Watts.
- Input Voltage: Wide-range AC input (typically 85-264 VAC).
- Redundancy: Supports parallel operation for N+1 redundancy.
Functional Features
- High Efficiency: Minimizes heat generation and energy waste.
- Comprehensive Protection: Built-in over-voltage, over-current, and short-circuit protection.
- Hot-Swappable: Can be replaced online without shutting down the system.
- Power Good Signal: Provides relay contact or digital output to indicate healthy power status.
Application Scenarios
Used as the primary or backup power source in Foxboro DCS control cabinets and field junction boxes.
Performance Parameters
- Voltage Regulation: ±1% under full load.
- Ripple and Noise: < 50 mV peak-to-peak.
- MTBF: > 150,000 hours.
Material Composition
Metal-enclosed chassis with internal high-frequency transformers and industrial-grade capacitors.
Structural Characteristics
- Convection Cooled: Fanless design for silent operation and higher reliability.
- Standard Form Factor: Fits standard I/A Series power slots.
Working Principle
Converts incoming AC mains voltage to a stable, isolated 24 VDC output through high-frequency switching and regulation, continuously monitoring the load to adjust output and trigger protection circuits if faults occur.
Installation Requirements
- Ensure adequate clearance around the module for airflow.
- Use appropriately sized DC output cables to minimize voltage drop.
Precautions for Use
- Do not exceed the maximum rated load.
- Verify output voltage polarity before connecting to the backplane.
