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09 - MFD CAN Output

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The MFD has a CAN output which is present on the two upper 5-way connectors.

Data format: Motorola; Baud rate: 500Kb/s.

 

Format Motorola
ID** Data Bytes
1 2 3 4 5 6 7 8
0x500 1 | 2 | Unused  (3) Trigger_Speed (4) Trigger_Distance Unused
0x501 (5) Time_from_Trigger (6) Peak_Decel (7) Average_Decel
0x502 Unused (8) MFDD (9) Corrected_Dist Unused
0x503 Unused (10) Start_Speed (11) Test_Time Unused
0x504 Unused (12) End_Speed (13) Distance_Travelled Unused
0x505 Unused (14) Start_Speed (15) Test_Time Unused
0x506 Unused (16) End_Speed (17) Distance_Travelled Unused
0x507 Unused (18) Target_Distance (19) Velocity_atTarget_Dis Unused
0x508 Unused (20) Time_To_Complete_Test Unused
  1. Distance units indication, single bit, 0 = Feet; 1 = Meters.
  2. Velocity units indication, single bit, 0 = MPH; 1 = KPH.
  3. Velocity when brake trigger activated, 0.01 kph/mph per bit.
  4. Distance travelled from activation of brake trigger, 0.01 m/ft per bit.
  5. Time from brake trigger being activated until rest, 0.01 seconds per bit.
  6. Maximum deceleration achieved during brake test, 0.001 G per per bit.
  7. Average deceleration, sum of the deceleration value at every sample divided by the number of samples, 0.001 G per bit.
  8. MFDD, 0.01 per bit.
  9. Corrected distance from brake trigger to rest - distance from start speed to nearest 10kph/mph, 0.01 m/ft per bit.
  10. Start speed for accel test, 1 kph/mph per bit.
  11. Time taken to go from start speed to end speed for accel tests, 0.01 seconds per bit.
  12. End speed for accel test, 1 kph/mph per bit.
  13. Distance travelled during accel test, 0.01 m/ft per bit.
  14. Start speed for decel test, 1 kph/mph per bit.
  15. Time taken to go from start speed to end speed for decel tests, 0.01 seconds per bit.
  16. End speed for decel test, 1 kph/mph per bit.
  17. Distance travelled during decel test, 0.01 m/ft per bit.
  18. Target distance for test, 1 m/ft per bit.
  19. Velocity travelling upon reaching target distance, 0.1 kph/mph per bit.
  20. Time taken to reach target distance and complete test, 0.1 seconds per bit. 
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