Dakota Digital BIM-01-2-J1939, Руководство пользователя

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[9] MAN #650695
J1939 communication
Because this unit may be used with aftermarket ECUs, below are the SAE J1939 PGNs we monitor for each
available reading.
Readings we monitor:
Reading J1939 PGN Reading J1939 PGN
RPM 61444 Gear 61445
Vehicle speed 65265 Fuel pressure 65263
Engine coolant temp 65262 MAP 65270
Engine oil pressure 65263 Trans fluid temp 65272
Intake air temp 65270 MIL 65226
Ambient air temp 65269 Fuel level 65276
Air fuel ratio 61454
Reading breakdown:
Reading
J1939 PGN SPN Data Position Resolution Offset
RPM 61444 190 Bytes 4,5 0.125 rpm per bit 0
Vehicle Speed 65265 84 Bytes 2,3 1/256 km/h per bit 0
Engine coolant temp 65262 110 Byte 1 1 ºC/bit -40 ºC
Engine oil pressure 65263 100 Byte 4 4 kPa/bit 0
Intake air temp 65270 105 Byte 3 1 ºC/bit -40 ºC
Ambient air temp 65269 171 Bytes 4,5 0.03125 ºC/bit -273 ºC
Air fuel ratio 61454 3217 Bytes 3,4 0.000514 %/bit -12 %
Gear 61445 524 Byte 1 1 gear value/bit, negative
values are reverse gears -125
Fuel pressure 65263 94 Byte 1 4 kPa/bit 0
MAP 65270 102 Byte 2 2 kPa/bit 0
Trans fluid temp 65272 177 Bytes 5,6 0.03125 ºC/bit -273 ºC
MIL 65226 1213 Byte 1, bits 8-7 00 =Lamp off, 01 = Lamp on N/A
Fuel 65276 96 Byte 2 0.4 %/bit 0