13.2.4 Input Method of Feedback Counter
● Select from the following three types according to input devices to be connected.
● The count operation varies depending on the settings of multiplication factor as shown below.
■
Count method
Method
Connection
Count
2-phase
(Phase
differenc
e)
For the 2-phase input, the input A
signal and input B signal of each
counter are connected to the phase A
and phase B of an encoder.
The count direction depends on the
phase difference between phases A
and B. When the phase A is
proceeding by 90 degrees in
electrical angle than the phase B, the
count value is incremented. When the
phase A is delayed by 90 degrees in
electrical angle than the phase B, the
count value is decremented.
Individual
In the individual input method, the
counter is incremented when the
input A signal rises or falls, and
decremented when the input B signal
rises or falls.
Direction
discrimin
ation
For the direction detection input, the
count signal is connected to the input
A signal. The count direction is
controlled by the level of the direction
signal of input B signal.
When the input B signal is on, the
counter is incremented when the
input A signal rises or falls. When the
input B signal is ON, the counter is
decremented.
■
Count operation of 2-phase input (Phase difference input)
Multiple
Time chart
Addition
Subtraction
1
multiple
2
multiple
13.2 Feedback Counter Function
WUME-GM1PG-01
13-5
Содержание AGM1PG04L
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