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values. Make sure you complete all steps in the Wizard before you upload
the settings to NIRA i7x by going online.
5.1.1 Engine Setup -> Crank Cam
It’s essential that the Crank & Cam settings are set properly to get
synchronization of the Crank & Cam relationship. All labels in the “Crank
Cam” folder are named with the prefix “Tpu”. This means that they are
handled by a dedicated part of the CPU. Changing these labels implies that
KEY has to be switched off and on for the changes to take effect.
Crank and cam related labels are found under.
Engine Setup -> Crank Cam
The Crank related labels are:
Tpu Crank Lost Teeth: The numbers of missing teeth at the crank
wheel. For a “60-2” wheel this label should be set to 2
Tpu Crank Polarity: Select which flank on the crank trig that the system
detects. Can be either falling or rising
Tpu Crank Sensor Select: Choose type of crank sensor. Can either be
Hall or Inductive. Note that there are different connections for
different sensor types
Tpu Crank Threshold
Tpu Crank Total Teeth: Number of teeth on the crank trigger wheel.
For a “60-2” wheel this label should be set to 58
The Cam related labels are:
Tpu Cam Polarity: Select which flank on the cam trig that the system
detects. Can be either falling or rising
Tpu Cam Sensor Select: Choose type of CAM sensor. Can either be
Hall or Inductive
Tpu Cam Window Start: From this point the system looks for a cam
sensor transition. The transition should occour whitin number of csd
set in TPU Cam Window Width
Tpu Cam Window Width: Set the distance from TPU Cam Window
Start that the transition should occur within
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