Component description for the rpm sensor

Type gf · emne 42.30 · version 0101 · 2007-06-22

Gælder for: MODEL 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957, 958, 970, 972, 974, 975, 976

Ikke tilgængelig på “da”; vises på Engelsk.

GF42.30-W-4552D

18.6.07

MODEL 374, 375, 930, 932, 933, 934, 940, 942, 943, 944, 950, 952, 953, 954, 957, 958, 970, 972, 974, 975, 976

Component description for the rpm sensor

W42.25-0017-01

Location

Shown on disk brake

12.08 Rpm sensor

The rpm sensor (12.08) is mounted in the steering knuckle on the front axle or on the axle housing of the rear axle.

Task

The rpm sensor (12.08) senses the wheel speed.

W42.25-0016-01

Design

The rpm sensor (12.08) consists of a permanent magnet with a round pole pin and a coil.

Function

The rotation of the pole wheel changes the magnetic flux picked up by the coil and thereby generates an AC voltage, the frequency of which is proportional to the wheel speed.