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Yacht Devices YDTA-01R NMEA 2000 Tank Adapter with SeaTalk NG Connector for Resistive and Voltage Fluid Level Sensors
The Yacht Devices YDTA-01R is a marine Tank Adapter designed to connect existing resistive or voltage-output fluid level sensors to an NMEA 2000 network. It allows compatible chart plotters and instrument displays to receive and display tank level information from existing onboard sensors.
The YDTA-01R version is equipped with an NMEA 2000 connector compatible with Raymarine SeaTalk NG. It supports standard European, American and Japanese resistive senders, non-standard resistive sensors with resistance below 400 Ohm, and analog voltage-output sensors operating from 0 to 16 V.
Main Features
- Raymarine SeaTalk NG-compatible NMEA 2000 connector
- Supports resistive and voltage-output fluid level sensors
- European standard sensor support: 10–180 Ohm
- American standard sensor support: 240–33 Ohm
- Japanese standard sensor support: 0–310 Ohm
- Supports non-standard resistive sensors up to 400 Ohm
- Supports voltage-output sensors from 0 to 16 V
- Standalone sensor installation
- Parallel connection with 1-coil and 2-coil analog gauges
- Parallel integration with Volvo Penta MDI
- 12-point calibration for irregular tank shapes
- Compensation for parasitic sensor-wire resistance
- MicroSD card slot for configuration, firmware updates, diagnostics and data logging
- Can be configured as a pressure sensor adapter
- Supports NMEA 2000 digital switching control rules
- 2500 VRMS galvanic isolation between NMEA 2000 and sensor inputs
Supported Fluid Level Sensors
Sensor Type Supported Range European resistive sensor 10–180 Ohm American resistive sensor 240–33 Ohm Japanese resistive sensor 0–310 Ohm Non-standard resistive sensor 0–400 Ohm Voltage-output sensor 0–16 V
Supported Fluid Types
- Diesel Fuel
- Fresh Water
- Waste Water
- Live Well
- Oil
- Black Water / Sewage
- Gasoline Fuel
The adapter can be configured for one of 15 NMEA 2000 fluid type values. Defined fluid types include Diesel Fuel, Fresh Water, Waste Water, Live Well, Oil, Black Water / Sewage and Gasoline Fuel.
Electrical Specifications
Parameter Specification Supply voltage 7–16 V from NMEA 2000 network Average current consumption 45 mA Load Equivalency Number 2 LEN Galvanic isolation between NMEA 2000 and sensor inputs 2500 VRMS Maximum sensor / gauge reference input voltage 16 V Voltage-output sensor range 0–16 V Fluid level sensor resistance range 0–400 Ohm Analog gauge coil resistance range 0–10,000 Ohm Sensor resistance / voltage measurement accuracy ±1%
Physical Specifications
Parameter Specification Model YDTA-01R Network connector Raymarine SeaTalk NG-compatible Sensor cable length 800 mm Device case length 54 mm Weight without MicroSD card 50 g Operating temperature range -20 to +55°C
Sensor Wiring
Wire Color Function Red Vref / analog gauge reference voltage Blue Sensor + Black Sensor - / Ground
Standalone Resistive Sensor Connection
For standalone use with a resistive fluid level sensor, the Blue wire is connected to the sensor Signal or + output and the Black wire is connected to Ground or -. The Red wire remains unconnected and should be insulated.
The CONNECTION setting is configured as RESISTIVE for this installation method.
Volvo Penta MDI Integration
The YDTA-01R can be connected in parallel with the fuel level input of a Volvo Penta MDI Mechanical Diesel Interface unit.
- Blue wire to MDI pin 11 or sensor Green wire
- Black wire to MDI pin 12 or sensor Green / Black wire
- Red wire remains unconnected
- CONNECTION setting: MDI
Analog Gauge Integration
The adapter can operate in parallel with an existing analog fluid level gauge. Both single-coil and dual-coil gauges are supported, including combined gauges with a button used to select the measured value.
- 1COIL mode for single-coil gauges
- 2COIL mode for compatible dual-coil gauges
- 2COIL_VCC mode for dual-coil gauges with switched power
- Analog gauge coil resistance range up to 10,000 Ohm
Voltage-Output Sensor Connection
The YDTA-01R supports sensors producing an analog voltage signal from 0 to 16 V. The Blue wire is connected to the sensor voltage output and the Black wire to sensor ground.
If the sensor provides a separate reference voltage output, it can be connected to the Red wire. Otherwise, the Red wire remains unconnected and should be insulated.
Tank Calibration
The Tank Adapter provides 12 calibration points to compensate for irregular tank geometry and non-linear sensor response. Calibration points correspond to measured levels at 4, 8, 12, 20, 30, 40, 50, 60, 70, 80, 90 and 95 percent.
- 12 configurable tank-shape calibration points
- Applicable to resistive and voltage-output sensors
- Compensates for non-linear sensor response
- 0% and 100% readings act as calibration endpoints
Sensor Wire Resistance Compensation
Long sensor wiring can introduce additional resistance and create a persistent measurement error. The YDTA-01R provides an OHMS_WIRES setting to compensate for parasitic wire resistance.
If the total sensor wire length exceeds 5 meters, the resistance can be measured with an ohmmeter or multimeter and entered into the adapter configuration.
Tank Capacity Configuration
Parameter Range Tank number / NMEA 2000 instance 0–15 Tank capacity 0–99,999 L
A capacity value of 0 or UNKNOWN disables transmission of tank capacity information to the NMEA 2000 network.
Pressure Sensor Mode
The YDTA-01R can be configured to operate as a pressure sensor adapter instead of a fluid level adapter. In pressure mode, the device transmits pressure information using NMEA 2000 PGN 130314 Actual Pressure.
- Atmospheric Pressure
- Water Pressure
- Steam Pressure
- Compressed Air Pressure
- Hydraulic Pressure
- Filter Pressure
- Altimeter Setting
- Oil Pressure
- Fuel Pressure
Damping
Fluid level readings can fluctuate in rough sea conditions. The adapter provides a configurable damping time constant to reduce sensitivity to vessel movement.
Parameter Specification Damping time constant 1–1200 seconds Factory setting 3 seconds
NMEA 2000 Digital Switching
The adapter can control compatible NMEA 2000 digital switching equipment according to measured tank level or sensor status.
- Up to 4 configurable switching rules
- Switch channels ON or OFF according to fluid level
- Supports delayed switching conditions
- Can react to sensor failure status
- Can react when normal sensor operation is restored
MicroSD Configuration
The YDTA-01R includes a MicroSD card slot for configuration, firmware updates, diagnostics and tank-level logging. Configuration can be performed using a standard text editor without dedicated software.
- Supports MicroSD cards of all sizes and classes
- Supports FAT12, FAT16, MS-DOS FAT and FAT32
- Does not support exFAT or NTFS
- Configuration file: YDTA.TXT
- Current configuration file: YDTASAVE.TXT
Data Logging
Measured sensor data can be recorded to a MicroSD card at configurable intervals from 1 to 60 minutes.
- Tank level percentage logging
- Tank volume logging when tank capacity is configured
- Pressure logging when pressure sensor mode is enabled
- Logging automatically resumes when a MicroSD card is inserted
NMEA 2000 / SeaTalk NG Installation
The YDTA-01R can be connected directly to the SeaTalk NG / NMEA 2000 network backbone without a drop cable and is powered directly from the network.
- Direct backbone connection supported
- Switch off bus power before installation
- Connect the tank sensor before connecting the adapter to the NMEA 2000 network
- Install the adapter in a dry location
- Close the network connector lock after connection
Package Contents
- YDTA-01R Tank Adapter – 1 pc.
- Blade FASTON receptacles – 4 pcs.
- MicroSD slot sealing stickers – 6 pcs.
- User Manual – 1 pc.
MicroSD card and NMEA 2000 drop cable are not supplied. The adapter can be connected directly to the network backbone without a drop cable.
Product Identification
Parameter Specification Brand Yacht Devices MPN YDTA-01R EAN 4779045210441 -
