Rudder Adapter YDRA-01

The NMEA 2000 Rudder Angle Adapter YDRA-01 allows you to connect an existing resistive type rudder angle sensor installed on a rudder and supply NMEA 2000 autopilots, chart plotters and other devices with the rudder angle.

The Device can be used with a rudder angle sensor with maximal resistance less than 400 Ohm, including European (10 to 180 Ohm range) or American (240 to 33 Ohm range) standard sensors, and with 0-5V voltage output sensors.

Rudder Adapters YDRA-01N (left) and YDRA-01R (right)

Picture 1. Rudder Adapters YDRA-01N (left) and YDRA-01R (right)

The Adapter can be installed as a standalone measuring device, or work together with a digital gauge, or in parallel with an existing analog gauge (2-coils and 1-coils gauges are supported, see Picture 2). If you have a combined gauge where you choose the value to display with a button, the Adapter will smoothly work with it, too.

Connection in parallel with an existing analog gauge

Picture 2. Connection in parallel with an existing analog 1-coil (left) and 2-coil (right) gauges: (1) - YDRA, (2) - Gauge, (3) - Rudder sensor, (4) - Optional button

Rudder angle readings can be calibrated with up to 7 calibration points to compensate for non-linearity of the sensor's resistance value vs rudder angle. Parasitic resistance of the sensor wires can also be compensated in the Device settings.

The Adapter is equipped with a Micro SD card slot intended for configuration, firmware updates, diagnostics and data logging. No special software is required. You only need a device (laptop or smartphone) with a MicroSD card reader and a simple text editor.

Use with our other products:

The Device is powered from the NMEA 2000 network and provides high voltage galvanic isolation between NMEA 2000 and sensor inputs.

 

Order ($149 USD) User Manual (PDF)

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The Adapter is compatible with a virtually all equipment supporting NMEA 2000. Raymarine SeaTalk NG, Simrad SimNet, and Furuno CAN networks are branded versions of NMEA 2000 and differ only by connector type. Garmin uses the NMEA 2000 Micro connector in its devices, which is compatible with the DeviceNet Micro connector.

The Adapter is supplied with a connector compatible with SeaTalk NG or a connector compatible with NMEA 2000 Micro Male (see the picture below). For other networks, an adaptor cable may be required.

Drawing of Rudder Adapter YDRA-01

Picture 3. Drawing of Rudder Adapter

For additional technical details, please see the User Guide and FAQ.

 

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