Racelogic USER GUIDE Manual de usuario descargar pdf (Pagina 57)

RACELOGIC Traction Control Manual V3.0

Page 57

5. SELF-FIT SENSORS

5.1 Sensor

5.2 Pickup Methods

The exact method used to locate and trigger the wheel speed sensors is absolutely

critical to the correct operation of the Traction Control System. There are a number of

different ways to construct the pick-ups, the slotted disc method, the toothed wheel,

hole detection and bolt detection.

Sensor’s must be rigidly mounted so no large vibrations occur that will move the

sensor head more than 0.5mm away from the reference points and the head must be

at 90° to the surface. If a sensing plate / disc is used, it must not be warped or

mounted at an angle that would cause the distance between the head and disc to

change by more than ±0.5mm. The material used for the reference must be of a

ferrous type, if in doubt, check to see if it attracts a magnet. The reference can be

painted or plated.

To achieve the best results, the sensor should be at least 40mm away from the

center of rotation of the reference. The number of reference holes / teeth / slots

should be between 4 & 120, there can be a difference from front to rear as this can

be programmed in at a later stage.

Slotted disc - (See diagram 12a for construction)

Toothed wheel - The teeth have to be clean without any scratches in the metal that

would cause false signals at high revolutions. The minimum size of teeth is 2mm

across. (See diagram 12b for construction)

Diagram 12a - Slotted Disk 12b - Toothed Wheel

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Racelogic USER GUIDE Manual de usuario Pagina 57