sorry for the delay. I somehow simply missed this posting.
The answer is : You can have two bridges.
Doesn't matter, the boat is on tour now, so I can't change anything in the moment. But next winter is coming
OK, thats it!
Most NMEA Devices habe a NMEA-IN and NMEA-OUT
So it might be possible to daisy chain your NMEA devices.
SeaTalk Bus ----------------------------------------------------
BRIDGE Ray E80
No chance! The wind/log are built by Navman and they have a NAVBUS and NMEA-out - but no NMEA-in ...
The GPS ist from Northstar and it is (regularly) only connected to the Northstar M84. But I had split up the line an take the NMEA-information from GPS out for the VHF to get the GPS-information without the plotter in use. There is a (NMEA?) connection from the plotter to GPS, but I won't like to cut it off and send log/wind-information to gps. I'm not sure what will happen on this way.
The wind/log are connected to the plotter via NAVBUS (2 wires), the AIS/compass information goes to M84 via HSNMEA, but no heading goes out from M84. O-sound Northstar: "The plotter supports sending VHW but is not designed to send the heading information."
As far as I know, the E80 also has a NMEA Input.
which one should be used by the AIS/compass-data ...
So you could even wire everything with NMEA - not using SeaTalk at all.
Of course I could use the complete NMEA-bus, but then I have to use a hispeed-multiplexer for the AIS-information.
The other way I tried was to use a moxa-server, because the E80 has also a RayNet (propietary ethernet). But I don't know which UDP-Port is used by raymarine and they don't give me any information. F***
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