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Structure and inner electrical connection

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The measuring procedure is based on Hall IC. The hall effect sensor is magnetically pre-tensioned by means of a permanent magnet. The Hall integrated circuit supplies an output voltage that is proportional to the magnetic field.

Fig 1: Hall Effect Sensor - Circuit Diagram
G09908269Courtesy of BMW OF NORTH AMERICA, INC.
Index Explanation
1 Increment wheel
2 Hall effect sensor
3 Evaluation electronics
PIN REFERENCE

Pin Explanation
Kl. 15N Terminal 15N, supply voltage
Kl. 31 Terminal 31, GND
SIG Signal line