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1-4
About the Modules
Publication 1734-UM006B-EN-P - August 2005
EXAMPLE
Example of Multiplying Encoder Mode X1
Quadrature Encoder
Forward Rotation
A Input
B Input
1
2
X1 Count
1
2
3
4
X2 Count
1
2
3
4
5
6 7
X4 Count
X1 Multiplying Encoder Mode
Quadrature input signals are used to count on the leading (up
direction) OR trailing (down direction) edge of A for a bidirectional
count, and channel B is used to determine the direction.
[ B = leads A, Count = Down; B = follows A, Count = Up ]
X2 Multiplying Encoder Mode
Quadrature input signals are used to count on leading AND trailing
edges of A for a bidirectional count, and channel B is used to
determine the direction.
[ B = leads A, Count = Down; B = follows A, Count = Up ]
X4 Multiplying Encoder Mode
Quadrature input signals are used to count on leading AND trailing
edges of A AND B for a bidirectional count, and channel B is used to
determine the direction.
[ B = leads A, Count = Down; B = follows A, Count = Up ]
A
B
Z (Store Count)
(Gate / Reset )
Reverse Rotation
3
2
5
6
5
4
3
8
9
10
11
12
11
10
9
8
7
6 5
Input A
Input B
Input Z
1734-VHSC
1
0
2
1
0
Outputs
4
3
2
1
0
Updated
Continuously
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