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venus-os:mfd-raymarine [2021-07-30 00:42] – [4. Configuration] guystewartvenus-os:mfd-raymarine [2021-12-09 19:21] – [7. NMEA 2000] mvader
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 ===== 7. NMEA 2000 ===== ===== 7. NMEA 2000 =====
  
-Raymarine MFD can also be connected to the Victron system using NMEA 2000. If you’re new to NMEA2000 & Victron, start with reading the [[ve.can:nmea-2000:start|]].+Besides connecting over ethernet, a Raymarine MFD can also be connected to the Victron system using NMEA 2000. If you’re new to NMEA2000 & Victron, start with reading the [[ve.can:nmea-2000:start|]].
  
 This chapter explains the specifics of NMEA2000 when connecting Victron to a Raymarine MFD. This chapter explains the specifics of NMEA2000 when connecting Victron to a Raymarine MFD.
  
-If there are more than 1 (for example) SmartShunt in the NMEA2000 network then you change the Data instances of the Victron PGNs to make the 2nd device can be seen too. See here for how to do that: [[https://www.victronenergy.com/live/ve.can:changing_nmea2000_instances|Changing NMEA2000 Instances]], section Data instances. +=== Generic and supported PGNs ===
 To setup the data sources on the Raymarine, go to //Settings > Network > Sources > Advanced...// To setup the data sources on the Raymarine, go to //Settings > Network > Sources > Advanced...//
  
 If you have more than 1 battery be sure to adjust the settings of the Axiom to the correct amount of battery(banks). If you have more than 1 battery be sure to adjust the settings of the Axiom to the correct amount of battery(banks).
  
-The following Victron related PGNs are supported:+The following Victron related PGNs are supported by Raymarine:
   * 127505 - Fluid level (tank levels)   * 127505 - Fluid level (tank levels)
   * 127506 - DC Detailed Status (State-of-charge, Time-to-go)   * 127506 - DC Detailed Status (State-of-charge, Time-to-go)
   * 127508 - Battery Status (Battery Voltage, Battery Current)   * 127508 - Battery Status (Battery Voltage, Battery Current)
  
-When the NMEA2000/STNg network has GPS data the GX device sees this as a GPS source and is able to use the GPS position in VRM. +This PGN is not supported by Raymarine:
- +
-Below list of Victron related PGNs are not supported by the Raymarine, ie. in our tests we could not get such data to show on the MFD using NMEA2000 (use the Marine MFD App instead to see the same data!):+
   * J1939 - AC data   * J1939 - AC data
 +
 +When the NMEA2000/STNG network has GPS data the GX device sees this as a GPS source and is able to use the GPS position in VRM.
 +
 +=== Raymarine only: data instances need to made unique ===
 +
 +If there are more than 1 (for example) SmartShunts in the NMEA2000 network, or a Solar Charger and a SmartShunt, or any other device that transmits the same type of PGNs, then the Data instances of those PGNs need to changed to make each data instance unique.
 +
 +Typically this concerns the Battery instance, used in the Battery Status and DC Detailed PGNs.
 +
 +See here for how to do that: [[https://www.victronenergy.com/live/ve.can:changing_nmea2000_instances|Changing NMEA2000 Instances]], section Data instances. This requires an [[https://actisense.com/products/ngt-1-nmea-2000-to-pc-interface/|Actisense NGT-1 NMEA to USB interface]].
 +
 +**Note**: this requirement of data instances being globally unique for a PGN is specific to Raymarine. Other brands do not require this. And, although perhaps besides the point, also the NMEA2000 standard does not require it. More specifically, it says: "Data instances shall be unique in the same PGNs transmitted by a device. Data instances shall not be globally unique on the network.".
venus-os/mfd-raymarine.txt · Last modified: 2022-01-07 14:42 by mbosma

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