YASKAWA JEPMC-MP2300-Y Series User Manual page 145

[ b ] Pulse Count Function
The Pulse Count Function reads A/B pulse input signals to increment (forward run) or decrement
(reverse run) the count.
The following graph shows changes in the pulse count for each run mode.
2147483647 MAX
2147483648 MIN
Counter current
value display
<Explanation>
Count preset (1)
Counter
count
0
register
value
Cancel count prohibit
Count prohibit
n1
Time (s)
Ts
n1
Counter current value
The values of n1 to n7 (counter value at each scan) is displayed sequentially in Counter
Current Value (IL
Count preset (1)
Executing the Count preset at the position p1 forces the counter value to change to the pre-
set value (p2 value).
MAX overflow
When the counter value increases to the value MAX (p3), the counter value will be auto-
matically reset to the value MIN (p4).
MIN overflow
When the counter value decreases to the value MIN (p5), the counter value will be auto-
matically reset to the value MAX (p6).
Count preset (2)
Executing the Count preset at the position p7 forces the counter value to change to the pre-
set value (p8 value).
p3
p2
n3
n2
p1
n4
p4
n2 n3 n4
+4).
3.4 I/O Modules (Optional)
p6
p7
Count preset (2)
p8
n6
n7
Count prohibit
Cancel count prohibit
n5
p5
n5 n6
Ts Scan time (s)
n7
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