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CHAPTER 8 FUNCTIONS
8
8.
Per
iodic
 P
u
ls
e Coun
te
F
unct
ion
8.9
Periodic Pulse Counter Function
This function stores the present and previous counter values to CH Periodic pulse count present value (Un\G18, 
Un\G19, Un\G50, Un\G51) and CH Periodic pulse count previous value (Un\G16, Un\G17, Un\G48, Un\G49), 
respectively, at the preset cycle (T).
The following figure shows the relationship between the signals and the buffer memory areas.
0
100
200
ON
OFF
ON
OFF
0
100
200
1)
0
2)
200
3)
20
4)
100
5)
80
6)
T
T
T
T
T
1)
0
2)
200
3)
20
4)
100
5)
80
0
100
200
2)
0
3)
200
4)
20
5)
100
1
0
7)
CH    Count enable command 
(Y4, YC)
CH    Present value 
(Un\G2, Un\G3, Un\G34, Un\G35)
CH    Counter function selection start 
command (Y6, YE) 
Counter function selection start command 
(function start input)
CH    Periodic pulse count, present value 
(Un\G18, Un\G19, Un\G50, Un\G51)
CH    Periodic pulse count, previous value 
(Un\G16, Un\G17, Un\G48, Un\G49)
CH    Sampling/periodic counter flag 
(Un\G11, Un\G43)