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10 BLOCK LINK EXAMPLES
10.1 Coincidence Detection
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Multi function counter block detail window
• Counter_0 (32bit_Unsigned)
The items other than the above need not to be set.
Block
Variable name
Setting value
Description
Input 0
Input 1
Input_Signal_Event
Detector Select
2-Phase Multiple of 1+
Set this parameter to detect an addition pulse.
Detector Select
2-Phase Multiple of 1-
Set this parameter to detect a subtraction pulse.
Counter_Timer_0
Count Enable
ON
Set this parameter to "ON".
Count Mode
Ring
Set this parameter according to the control.
Upper Limit
2000
Set this parameter according to the control.
Lower Limit
0
Set this parameter according to the control.
Clock
25ns
Set this parameter to "25ns". (to prevent input pulses
from missing)
Add Mode
OFF
Set this parameter to "OFF", because the addition
mode is not used in this link example.
Add Value
0
Cam_Switch
Number of Step
2
Set this parameter to "2".
Lower Limit Output State
Low
Set this parameter to "Low".
Step No.0
1000
Set a value used as a "coincidence detection value".
Step No.1
1001
Set a value of "Step No.0 + 1".
Set/Reset_0
Cam Output
Summary of Contents for MELSEC-L Series LD40PD01
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