Baumuller b maXX BM3000 - Page 257

Description of the Software Modules and Parameters
Parameter manual b maXX BM3000
Document no.: 5.12001.07
257
of 820
4
With triggering from zero pulse, the measured value of the positive edge is independent
of the direction of revolution, the measured value of the negative edge differs depending
on the direction of revolution by maximum ± ¼ number of pulses.
So only the positive edge should be analyzed by triggering from zero pulse.
Figure 109: Direction of revolution
High
Low
J
High
Low
J
High
Low
J
High
Low
J
Zero pulse
Positive direction of revolution
Zero pulse
Negative direction of revolution
Digital input
Digital input
Positive
(rising)
edge
Negative
(falling)
edge
Positive
(rising)
edge
Negative
(falling)
edge
Positive direction of revolution
Positive
(rising)
edge
Negative
(falling)
edge
Negative direction of revolution
Positive
(rising)
edge
Negative
(falling)
edge