Maretron TLM100 Manuale Utente

 

 

 

 
PGN 127505 – Fluid Level 
The TLM100 uses this PGN to indicate the attached tank’s fluid instance, fluid type, fluid level, 
and tank capacity. 

 

 Field 1:  Fluid Instance – This field is used to identify the tank number and ranges between 0 

and 15. There can be up to 16 tanks of a given type as defined by the Fluid Type 
field. This field is programmable through the NMEA command PGN. The TLM100 
ships from the factory with a default value of zero. 

 

2:  Fluid Type – This field identifies the type of fluid contained within the tank. Currently 

the defined fluid types are fuel, fresh water, wastewater, live well, oil, and black 
water. This field is programmable through the NMEA command PGN. The TLM100 
ships from the factory with a default value of 0x0 indicating “Fuel”. 

 

3:  Fluid Level – This field is used to indicate the current fluid level in percentage. The 

value transmitted in this field depends on the distance from the sender to the top of 
the fluid or tank bottom. 

 

4: Tank Capacity – This field is used to indicate the tank capacity. This field is 

programmable through the NMEA command PGN. The TLM100 ships from the 
factory with a default value of 0xFFFFFFFF indicating “Data Not Available”. 

 

5:  Reserved – This field is reserved by NMEA; therefore, the TLM100 sets all bits to a 

logic 1.