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T10FS
7.5 Setting the pulse count
7.5.1 Magnetic speed measuring system
With the magnetic speed measuring system, a magnetized rotor is sampled by
means of an MR sensor (magnetoresistive sensor). The sensor produces two
sinusoidal signals offset by 90°, from which up to 10 evaluation points can be
generated per pole (can be adjusted with switches F1 ... F3). The output
pulses can again be divided by means of the subsequent electronic system
(switches S1 ... S4), thus making available a greater selection of output pulse
counts per revolution (see Table 7.3).
Switches
S1...S4
Fig. 7.7: Setting the pulse count; magnetic speed measuring system
M
nom
100 NVm−200 NVm
120
500 NVm−1 kNVm
144
2 kNVm−10 kNVm
180
Table 7.1: Evaluation points per pole (
Output pulse division
(6 fold DIP switches)
Table 7.2: Switch settings for output pulse division (• = factory default)
A0785 14.0 en
Auswertefaktor
1
h
4
h
5
Impulse/Umdrehung
h
h
h
D
h
h
h
D
h
h
h
D
720
= factory default)
D
1
D h
Switches
F1...F3
Evaluation factor
10
h
8
h
Pulses/revolution
h
h
600
h
h
720
h
h
2
4
6
d h
d h
47
h
12
d h
d h
HBM
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