Avalue Technology VMS-BYT Quick Reference Manual page 88

VMS-BYT
 Simple Data Protocol: (HEX CODE)
Data
HEAD
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Byte 6
Byte 7
Byte 8
Byte 9
Byte 10
Byte 11
Byte 12
Byte 13
Byte 14
Byte 15
NOTE:
1.) Data format : ASCII CODE
@ , 7 8 , 0 E , 7 0 , 0 0 ,0 3 , 9 8 , 2 8 , Status ,MAF,D1,D2,Fu,CS
Speed=120 km/hr (78
Rpm=0x0E70= 3696 (0E70
status:
2.)
Bit 7:
0: Normal
1: Emergency Braking (Acceleration < -6 m/ s
Bit 6:
0: Brake OFF
1: Brake ON
1: Brake
Bit 5:
0: Clutch OFF
88 VMS-BYT Quick Reference Guide
Description
@ (=0x40)
Speed , (0~255) km/h
RPM High Byte (RPMHB)
RPM Low Byte(RPMLB), RPM=RPMHB*256+RPMLB
Engine Loading, (0~100%)
Battery Voltage (BV), = (BV+100)/10 (V)
Engine Temperature( ET), =ET-40 (℃)
Throttle position 0~100 %
Status, Note 2
MAF (0~255), MAF RATE= MAF * 300 (g/s)
Distance: D1
Distance: D2, Distance = D1*256+D2(KM)
FU, Average Fuel Economy (km/L) =Fu /10
Check sum (add numbers)= Byte1+ Byte2+Byte3+ Byte4+
Byte5+Byte6+ Byte7+ Byte8+Byte9+ Byte10+ Byte11+Byte12
Carry return (0x0D)
Line feed (0x0A)
=120
Hex Dec
=3696
Hex
)
)
Dec
2
)