Description
HIMA F7130A
Technical Specifications
- Product Type: Rack safety power supply module
- Input Voltage: 24 VDC, tolerance -15% ~ +20%
- Output Rails: Multiple isolated DC outputs including 5VDC main power and bus power
- Max Output Current: 10A for main 5VDC output
- Isolation: Galvanic isolation between input side and output side
- Protection Functions: Overvoltage protection, overcurrent protection, short circuit protection, over-temperature protection
- Protection Rating: IP20
- Operating Temperature: -10 °C to +60 °C
- Mounting: Subrack rack slot mounting
Functional Features
- Convert 24VDC input power into multiple isolated DC power rails for rack safety modules.
- Continuous monitoring of input voltage, output voltage and output current.
- Built-in comprehensive protection activates shutdown automatically under fault conditions.
- LED indicators display input power and each output power status.
- Power fault signal output to safety controller for power failure alarm.
- High efficiency power conversion reduces heat generation inside rack.
- Galvanic isolation blocks surge and noise from input power source.
- Supports redundant parallel configuration to improve system availability.
- Fuse protection on input circuit for fault isolation.
- Low ripple output to ensure stable operation of safety logic circuits.
Application Scenarios
- HIQuad safety PLC rack power supply for ESD system
- Boiler burner management safety cabinet power source
- Petrochemical plant safety instrumented system rack power supply
- Offshore platform safety control cabinet power module
- Power plant safety interlock rack power supply
Material Composition
- Front panel: Reinforced metal front panel with LED indicators
- Main PCB: FR4 high reliability printed circuit board with conformal coating
- Power components: High frequency switching MOSFET, electrolytic capacitors, rectifier diodes
- Magnetic components: High frequency isolation transformers
- Fuse: High breaking capacity safety fuse
- Connector: Gold-plated backplane connector
- Housing: Metal shielding frame
Structural Characteristics
- Standard subrack width module for HIQuad rack slot installation.
- Metal front panel carries LED indicators for power status.
- Rear gold-plated edge connector plugs into rack backplane.
- Internal metal shielding frame isolates high frequency switching circuit.
- Components arranged to optimize heat dissipation airflow.
- Input and output wiring terminals located at front panel area.
Working Principle 24VDC input power enters F7130A module, input fuse and EMI filter suppress surge and noise. High frequency switching circuit drives isolation transformer to generate multiple secondary DC outputs. Feedback circuit monitors output voltage continuously and adjusts switching duty cycle to maintain stable output voltage. Protection circuits detect overvoltage, overcurrent and over-temperature, and shut down power conversion when threshold is exceeded. Power monitoring circuit sends power status signal to safety controller.
Installation Requirements
- Insert F7130A module into designated slot of HIQuad rack.
- Maintain airflow clearance around module for heat dissipation.
- Use proper wire gauge for 24VDC input power wiring.
- Complete protective earth connection for module metal frame.
- Separate input power wiring from low voltage signal wiring.
- Perform output voltage measurement before connecting rack load.
- Verify earth continuity after installation.
Usage Notes
- Do not hot plug module when rack is powered on.
- Do not operate module beyond specified temperature range.
- Do not short output terminals.
- Keep module surface free of dust and conductive contamination.
- Disconnect 24VDC input and wait for capacitor discharge before maintenance.
- Do not modify internal circuit components.
- Check output voltage periodically during long-term operation.
