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General-purpose Input / High-speed counter Function
23.1.4 Type of Input Mode
Input mode and count operation
Mode
Scope
Addition input
Subtraction input
2-phase input
Individual input
Direction
detection input
23-4
X0
Counting
0
1
2
X0
(X1 ~ X7)
Counting
n
n -1
n -2
n -3
X0
(X2 X4 X6)
X1
(X3 X5 X7)
0
1
Counting
X0
(X2 X4 X6)
X1
(X3 X5 X7)
Counting
n
n–1
X0
(X2 X4 X6)
X1
(X3 X5 X7)
0
1
2
Counting
X0
(X2 X4 X6)
X1
(X3 X5 X7)
Counting
0
1
2
3
3
4
n - 3
n - 2
n - 4
3
2
2
n–1
n–2
n–3
3
4
3
2
1
2
3
4
3
2
1
ON
OFF
n -1
n
ON
OFF
1
0
ON
OFF
ON
OFF
n
ON
OFF
ON
OFF
2
1
ON
OFF
ON
OFF
4
3
ON
OFF
ON
OFF
0
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