21
Functional Description
4
Motor without attachment
4.1
U
Hall C
t
120°
U
Hall B
t
120°
U
Hall A
1 revolution (360°)
t
T
T
T
NOTE
The outputs of the Hall sensors are designed as open collectors. Therefore, pull-up resistances are
required for operation.
Phase B
Phase A
GND
U
DD
Hall sensor C
2,2 … 18 V
DC +
–
Phase C
Hall sensor B
Hall sensor A
Rpull
Rpull
Rpull
Rpull:
820