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Yacht Devices YDAB-01R SeaTalk NG Alarm Button with MOB, Digital Switching and Engine Monitoring
The Yacht Devices YDAB-01R is a multifunctional NMEA 2000 alarm and monitoring device designed for integration with Raymarine SeaTalk NG-compatible networks. It connects to an external push button with integrated LED and to a standard 4 or 8 Ohm sound speaker, allowing the device to provide audible and visual alarms for MOB, digital switching and engine monitoring applications.
The YDAB-01R contains a built-in 10 W audio amplifier and 28 pre-recorded sound signals. Its operating mode and audio level can be configured through the connected external button, while additional settings can be configured through the NMEA 2000 network.
Operating Modes
- MOB button mode
- Digital switching alarm unit
- Engine monitoring unit
MOB Button Mode
MOB mode is the factory-default operating mode. Holding the external button for two seconds activates the sound alarm and starts transmission of NMEA 2000 MOB messages using the current GPS position available on the vessel's NMEA 2000 network.
- Activation by holding the button for 2 seconds
- Sends NMEA 2000 MOB messages
- Uses the current GPS position from the NMEA 2000 network
- Creates an MOB mark on compatible chart plotters and multifunction displays
- Activates audible alarm and external LED indication
- A second button press cancels the MOB alarm and stops MOB message transmission
MOB messages generated by the device remain within the vessel's NMEA 2000 network and are not transmitted externally over VHF or AIS.
Digital Switching Alarm Unit
In digital switching mode, the YDAB-01R operates as an NMEA 2000 binary switch bank with 28 internal channels. Each channel can be associated with a separate sound alarm and LED flashing sequence.
- 28 digital switching channels
- 28 sound alarm events
- 28 LED indication sequences
- Channels can be controlled from compatible equipment or chart plotters
- Supports NMEA 2000 digital switching messages
- Supports CZone control from compatible multifunction displays
- Multiple Alarm Buttons can operate synchronously when configured with the same bank number
Engine Monitoring Mode
In engine monitoring mode, the device monitors engine and transmission information available on the NMEA 2000 network. It can activate alarms when engine or transmission warning messages are received or when configured engine parameters move outside specified limits.
- Engine and transmission warning monitoring
- Engine RPM monitoring
- Engine coolant temperature monitoring
- Engine oil pressure monitoring
- Boost pressure monitoring
- Configurable alarm thresholds and activation delays
- Can monitor all engines or a selected NMEA 2000 engine instance
Technical Specifications
Parameter Specification Model YDAB-01R Network connection SeaTalk NG compatible Power supply 7–16 V from NMEA 2000 network Reverse polarity protection Yes Average current consumption without playback 50 mA Average current during playback 200 mA at 13 V / 4 Ohm, Sound 1 Maximum current during playback 440 mA at 13 V / 4 Ohm, Sound 23 Recommended speaker impedance 4–8 Ohm Audio amplifier output 10 W at 13 V / 8 Ohm Load Equivalency Number 20 LEN External LED supply 3.3 V Built-in LED current-limiting resistor 200 Ohm Operating temperature range -40°C to +80°C Weight 37 g Case length without connector 54 mm Cable length 400 mm
Alarm and Control Functions
Function Specification Built-in sound signals 28 Digital switching channels 28 LED indication sequences 28 MOB activation 2-second button hold by default External speaker 4 or 8 Ohm External button 16 mm push button with integrated LED
CZone and MFD Integration
- First 6 digital switching channels can be controlled from compatible CZone-enabled MFDs
- Compatible MFD brands include Garmin, Lowrance, Simrad, B&G, Furuno and supported Raymarine models
- CZone support can be configured through the device settings
Configuration and Management
- Operating mode can be configured using the external button
- Sound volume can be adjusted through the external button or device settings
- Advanced configuration is supported through NMEA 2000 installation description strings
- Compatible with Yacht Devices NMEA 2000 Wi-Fi Gateway, Wi-Fi Router and USB Gateway for PC-based configuration
- Firmware updates are supported through Yacht Devices CAN Log Viewer
- Sound slots 25–28 can be replaced with compatible custom audio files
Supplied Components
- YDAB-01R Alarm Button device
- External button with integrated LED
The sound speaker is not supplied with the device.
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