Description
LCJ CV7SF2-WindyPlug wireless ultrasonic wind sensor
LCJ CV7SF2-WindyPlug combines the CV7SF2 wireless solar ultrasonic wind-sensor arrangement with LCJ’s WindyPlug interface for integration with compatible marine networks. It is intended where wind data needs to reach NMEA 2000 equipment without a conventional sensor cable running down the mast. F&C Marine can help check sensor position, wireless communication, WindyPlug connection and the existing network before supply.
Wireless wind measurement
The masthead sensor measures wind electronically without conventional rotating cups or a mechanical vane. The wireless link changes how data reaches the vessel, but the sensor still requires clean airflow and correct orientation. Nearby rigging, aerials, mast sections and other structures can introduce turbulence. The mounting position should also give the solar arrangement suitable exposure and avoid unnecessary obstruction in the wireless path between sensor and receiving equipment.
WindyPlug and NMEA 2000 integration
Before connecting the WindyPlug, inspect the NMEA 2000 backbone. Confirm correct termination, a suitable power feed and sound connectors, then identify where the wind system will join the network. Existing voltage drop or damaged T-pieces can create intermittent data that looks like a wireless-sensor problem. Record the displays and other devices that need wind information so the data can be verified at each destination after commissioning.
Sensor, receiver and network planning
Plan the installation as three connected stages: the masthead sensor and solar arrangement, the wireless link and the WindyPlug/network side. The receiving equipment needs reliable power and a suitable location, while the sensor needs airflow, alignment and exposure. If replacing an existing system, photograph the current network and any interfaces before removal. A wireless wind sensor can simplify mast cabling, but it still relies on a healthy vessel network to distribute information.
Commissioning and data checks
After installation, confirm stable wireless communication and plausible wind speed and direction. Check sensor orientation and any pairing or configuration required by LCJ. Verify the data at the NMEA 2000 displays and check network voltage under operating conditions. If one device is missing data while others are correct, investigate that network branch or receiving device before treating the sensor as faulty. Record the final locations and interface arrangement for future service.
Maintenance and fault finding
Inspect the sensor, solar panel, mounting, receiver, WindyPlug and accessible NMEA 2000 connections. Look for contamination, damage, corrosion or shading that may affect the solar arrangement. If data becomes intermittent, determine whether the problem is in sensor power, wireless communication, receiver output or the NMEA 2000 network. A staged diagnosis is more reliable than replacing the masthead sensor without checking the rest of the system.
Documentation and related guidance
See LCJ Capteurs products and LCJ support downloads for manufacturer information. Use current LCJ documentation as the final reference for CV7SF2 and WindyPlug setup. F&C Marine also provides an ultrasonic wind-sensor guide and the Marine Electronics Knowledge Base.
Official manuals, datasheets and brochures
Related products
- LCJ CV7SF2 – Wireless Ultrasonic Wind Sensor with 12VDC Receiver and NMEA 0183
- LCJ CV7SF2-USB – Wireless Ultrasonic Wind Sensor with USB-Powered Receiver
- LCJ RM-STBG – Rotating Mast Interface for CV7 Range
Related technical resources
Before ordering LCJ CV7SF2-WindyPlug
Send the vessel type, proposed masthead location, photographs, NMEA 2000 network details, receiving-display models and any existing wind-equipment information. If replacing a fault, include symptoms and tests already completed. F&C Marine can then help confirm whether LCJ CV7SF2-WindyPlug is the correct wireless NMEA 2000 arrangement and identify any network or installation work required before quotation.











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