
30
Operation Theory
90° phase shifted signals (AB phase Mode)
In this mode, EA signal is a 90° phase leading or lagging to EB
signal. “Lead” or “lag” of phase difference between two signals is
caused by the turning direction of the motor. The up/down
counters counts up when the phase of EA signal leads the phase
of EB signal.
The following diagram shows the waveform.
4.1.2
Index Input (EZ)
The index input (EZ) signals of the encoders are used as the
“ZERO” reference. This signal is common on most rotational
motors. EZ can be used to define the absolute position of the
mechanism. The input logic polarity of the EZ signals is program-
mable with ADLINK library.
With EZ signal, users can realize the homing procedure and clear
the counter as zero.
Содержание PCI-8124
Страница 5: ......
Страница 17: ...8 Introduction ...
Страница 30: ...Signal Connections 21 Outside PCI 8124 inside PCI 8124 TRGx 220Ω ...
Страница 33: ...24 Signal Connections ...
Страница 35: ...26 Operation Theory 4 1 Trigger Board Overview The input and output relationships are shown as follows ...
Страница 49: ...40 Operation Theory ...
Страница 61: ...52 Function Library I16 ToggleDir Toggled condition select X 0 Directionless X 1 Count up X 2 Count down ...
Страница 72: ...Function Library 63 I16 Enable Enable Disable linear set X 0 disable 1 enable ...
Страница 83: ...74 Function Library ...