The Raymarine VCM100 (Voltage Converter Module), also identified by part number E52091, is a critical component in specific Raymarine marine radar systems, particularly the HD Digital and Magnum Open Array radars. Its primary purpose is to convert the vessel’s 12V or 24V DC power supply to the higher voltage (typically 48V DC) required to operate the radar pedestal and scanner.
Technical Specification
General:
- Product Type: Voltage Converter Module
- Part Number (Raymarine P/N): E52091
- Purpose: Converts vessel’s DC power to a higher voltage required for compatible Raymarine Open Array Radar systems.
Electrical Specifications:
- Input Voltage Range (Nominal): 12V DC or 24V DC
- Input Voltage Range (Operating): 10.2V DC to 31.2V DC (This wide range accommodates fluctuations in a vessel’s electrical system, supporting both 12V and 24V nominal systems).
- Output Voltage: Typically 42V DC to 48V DC (This is the stepped-up voltage supplied to the radar pedestal. Specific output can vary slightly based on input voltage and radar model, but it’s generally around 48V DC).
- Power Consumption (Typical): The VCM100’s power consumption is usually stated in relation to the radar it powers. For example, a 4kW Magnum radar might draw:
- Transmit: < 70 W
- Standby: < 30 W
- Sleep: < 1.2 W (Note: These figures are for the radar system including the VCM100, not the VCM100’s consumption in isolation. The VCM100 itself has a small power draw for its internal circuitry and efficiency losses during conversion.)
- Protection: Designed with internal protection against over-voltage, short circuits, and possibly reverse polarity, though external fusing/circuit breaking close to the power source is always recommended by Raymarine.
- Emergency Stop Feature: Supports an emergency stop function where a closed circuit can switch off the 48V DC supply to the radar pedestal.
Compatibility:
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