Mitsubishi Electric MELSEC-L Series LD40PD01, User Manual

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9 CREATING A HARDWARE LOGIC
9.2 Multi Function Counter Block
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Detection conditions in pulse input modes
The following table shows the detection conditions in each pulse input mode.
*1 The numbers of Detection condition indicate the following parameters.
1: "A: Rise"
2: "A: Fall"
3: "A: Low"
4: "A: High"
5: "B: Rise"
6: "B: Fall"
7: "B: Low"
8: "B: High"
9: "A: Rise+B: Low"
10: "A: Rise+B: High"
11: "A: Fall+B: Low"
12: "A: Fall+B: High"
13: "A: Low+B: Rise"
14: "A: High+B: Rise"
15: "A: Low+B: Fall"
16: "A: High+B: Fall"
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Links of "Pulse Input Mode"
Link the Output terminal where "Pulse Input Mode" is set "UP count" to the "UP" terminal of a counter timer block. Link the
Output

terminal where "Pulse Input Mode" is set "Down count" to the "DOWN" terminal of a counter timer block.
Otherwise, values are not correctly counted.
Pulse input mode "Pulse Input
Mode" Detection condition
*1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1-phase
multiple of 1 Up
count 1-Phase Multiple of 1+
               
Down
count 1-Phase Multiple of 1-
               
1-phase
multiple of 2 Up
count 1-Phase Multiple of 2+
               
Down
count 1-Phase Multiple of 2-                
CW/CCW Up
count CW/CCW+
               
Down
count CW/CCW-
               
2-phase
multiple of 1 Up
count 2-Phase Multiple of 1+
               
Down
count 2-Phase Multiple of 1-                
2-phase
multiple of 2 Up
count 2-Phase Multiple of 2+
               
Down
count 2-Phase Multiple of 2-
               
2-phase
multiple of 4 Up
count 2-Phase Multiple of 4+                
Down
count 2-Phase Multiple of 4-                