Tiny SeaTalk NMEA Bridge with galvanic isolated RS232

Read AND write data to the SeaTalk bus

SeaTalk Link

  • The easy way to bring SeaTalk instrument data to your boat computer and navigation software.
  • The easy way to send data from your navigation software to SeaTalk instruments.
  • Protects your equipment by full galvanic isolation between SeaTals and computer power
  • May pluged direct to the computers using a provided connection cable
  • Extended update function. Software may be updated by user anytime without any wiring changes.

Galvanic isolation protects your board computer and your instruments.
Galvanic isolation is especially interresting if your have different power sources for the board computer and the instruments.
I.e. the board computer can be connected to shore power, if you have different batteries for computer and instrumentation. It also protects your computer and your instruments in case the SeaTalk Nmea Link should accidently be connected with reversed polarity.
Alltogether - It simply makes the whole system more more reliable and safer.

This tiny SeaTalk NMEA Link has :

  • 1 * SeaTalk port
  • 1 * RS232 port
  • 1 * 12 Volt power supply
You simply connect this device to your SeaTalk network and to your boat-computer - using a RS232 port - and you'll get all sort of data from your SeaTalk instruments.

SeaTalk data will be translated to standard NMEA sentences, that can be used by any normal software on the pc. ( SeaClear, Fugawi, Offshore Navigator and all the others. )

Functions :

Read SeaTalk -> Send to NMEA port Read NMEA -> Send to SeaTalk

  • Depth ( $IIDBT )
  • Apparent. Wind speed. & angle ( $IIMWV )
  • Speed through water ( $IIVHW )
  • Compass heading ( $IIVHW and $IIHDM )
  • Water Temp. ( $IIMTW )
  • Trip & Total Milage( $IIVLW )
  • Position from SeaTalk GPS ( $IIRMC )
  • Time & Date from SeaTalk GPS ( $IIRMC )
  • Speed over Ground from GPS ( $IIRMC )
  • cog from SeaTalk GPS ( $IIRMC )
  • rudder angle ( $IIRSA )
  • special $STALK Sentence - shows any incomming SeaTalk datagram as a "$STALK,xx,yy,zz" sentence.
  • Wind speed
  • Wind angle
  • Speed through water
  • Compass heading
  • Trip & Total Milage
  • Position lat/lon from GPS
  • Speed over Ground from GPS
  • Cog from GPS
  • Special $STALK sentence. Allows you to send any SeaTalk datagram

NEW - now with autopilot track function New Function. We have added functions to control an autopilot.
More information in our forum ( click here )


For further Information and Manual pls. check our Project Pages HERE

The bridge comes with a printed manual, all source codes of the bridge software, compilers for the Atmel processor used on the bridge, and bootloader software.
You can look at the software and change it to whatever you want.
( Programming knowledge in C for embedded proccessors is required )


Liability cannot be accepted for any damages, personal injuries or malfunctions caused by this converter.
To make sure that the SeaTalk-NMEA-Link is what you need, please read the manual before ordering.
A manual in PDF format can be loaded HERE
Languages
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