NBB-800
User Manual for NRSW version 4.5.0.100
FMS to IP database format
The json file format is used. The database file describes the incoming data-packages. There are two
basic components to describe any signal used in the FMS standard. The Parameter Group Number
(PGN) and the Suspect Parameter Number (SPN). The PGN contains of one or more signals. The
SPN is used to give an unique identifier to a signal. More information can be found in SAE-J1939
standard.
[
{
" name "
:
" EBFF "
,
" pgn "
: 60415 ,
" length "
: 8,
" spns "
: []
},
{
" name "
:
" CCVS "
,
" pgn "
: 65265 ,
" length "
: 8,
" spns "
:
[
{
" byteSize "
: 2,
" offset "
: 1,
" formatGain "
: 0.00390625 ,
" formatOffset "
: 0,
" units "
:
"km/h"
,
" name "
:
" Wheel Speed "
,
" number "
: 84,
" type "
: 0
},
{
" bitSize "
: 2,
" bitOffset "
: 4,
" offset "
: 3,
" descriptions "
:
[
" Pedal released "
,
" Pedal depressed "
],
" name "
:
" Brake Switch "
,
" number "
: 597 ,
" type "
: 1
}
]
}
]
150
