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CHAPTER 8 FUNCTIONS
8
8.7 Latch Counter Function
8.7 Latch Counter Function
The function latches the present counter value when a signal is input.
The following figure shows the relationship among the present counter value, the counter function selection start
command, and CH Latch count value (Un\G12, Un\G13, Un\G44, Un\G45).
On the rising edge of CH Counter function selection start command (Y6, YE) or the counter function selection start
command (function start input) of 1) to 4), the present counter value is stored in CH Latch count value (Un\G12,
Un\G13, Un\G44, Un\G45).
The latch counter function is performed regardless the on/off status of CH Count enable command (Y4, YC).
1) 2) 3) 4)
0
50
100
150
ON
OFF
ON
OFF
0
50
100
130
0
50
100
150
0
50
100
130
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 Latch count value
(Un\G12, Un\G13, Un\G44, Un\G45)