anchor.diff:  com.victronenergy.system,/Relay/0/State,i,0=Open;1=Closed,806,uint16,1,W
   com.victronenergy.system,/Relay/1/State,i,0=Open;1=Closed,807,uint16,1,W
   com.victronenergy.system,/Serial,s,,800,string[6],1,R
  -com.victronenergy.pvinverter,/ProductId,u,,1024,,,R
  -com.victronenergy.pvinverter,/FirmwareVersion,s,,1025,,,R
   com.victronenergy.pvinverter,/Position,i,0=AC input 1;1=AC output;2=AC input 2,1026,uint16,1,R
   com.victronenergy.pvinverter,/Serial,s,,1039,string[7],1,R
   com.victronenergy.pvinverter,/Ac/L1/Voltage,d,V AC,1027,uint16,10,R
  
positive.code: com.victronenergy.battery,/Io/ExternalRelay,y,0=Inactive;1=Active,1299,uint16,1,R
  com.victronenergy.battery,/History/MinimumCellVoltage,d,V DC,1300,uint16,100,R
  com.victronenergy.battery,/History/MaximumCellVoltage,d,V DC,1301,uint16,100,R
  com.victronenergy.solarcharger,/ProductId,u,,768,,,R
  com.victronenergy.solarcharger,/FirmwareVersion,u,,769,,,R
  com.victronenergy.solarcharger,/Serial,s,,770,,,R
  com.victronenergy.solarcharger,/Dc/0/Voltage,d,V DC,771,uint16,100,R
  com.victronenergy.solarcharger,/Dc/0/Current,d,A DC,772,int16,10,R
  com.victronenergy.solarcharger,/Dc/0/Temperature,d,Degrees celsius,773,int16,10,R
  
negative.code: com.victronenergy.motordrive,/Dc/0/Current,d,A DC,2051,int16,10,R
  com.victronenergy.motordrive,/Dc/0/Power,d,W,2052,int16,10,R
  com.victronenergy.motordrive,/Controller/Temperature,d,Degrees celsius,2053,int16,10,R
  com.victronenergy.charger,/Dc/0/Voltage,d,V DC,2307,uint16,100,R
  com.victronenergy.charger,/Dc/0/Current,d,A DC,2308,int16,10,R
  com.victronenergy.charger,/Dc/0/Temperature,d,Degrees celsius,2309,int16,10,R
  