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T10FS
7.8 Type of the rotation speed output signal
You can use switch S7 to change the symmetrical 5 V output signal (factory
setting) to an asymmetrical signal of 0 V ... 5 V.
Switch S7
Fig. 7.12: Switch S7; symmetrical/asymmetrical output signal
7.9 Optical speed measuring system with a reference
pulse
In the case of the reference pulse option, a magnet is integrated into the
slotted disc of the speed measuring system, that generates a pulse at each full
revolution of the rotor. The pulse can be picked up at switch 2 (see Page 37).
The reference pulse is synchronized with the rotation speed output signal
1)
(5 V
, 0°) and is output if the reference marker is passed and a rising edge
occurs during the rotation speed signal.
The pulse length corresponds to the length of a speed increment, which
depends on the chosen pulse count and speed (for the calculation, see
Page 47).
Reference pulse
Speed signal 0 °
Speed signal 90 °
Fig. 7.13: Electrical condition of the reference pulse
1)
Complementary signals RS 422
A0785 14.0 en
symmetrical
asymmetrical
Pos. 2
Pos. 1
5 V symmetrical
5 V
symmetrical
5 V symmetrical
53
HBM
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