LS Industrial Systems GLOFA G7M-DR30U - Page 58

Chapter 5. Power Supply / CPU
5-11
2) Counting speed
• The counting speed is decided by scan time and it will be counted when on time or off time of input condition is
larger than each scan time.
• Duty (n) is the percentage (%) of On/Off of the input signal.
T1 ≤ T2:
[%]100
21
1
×
+
=
TT
T
n , T1 > T2: [%]100
21
2
×
+
=
TT
T
n
Max. Counting speed
)
t
1
(
100
n
C
S
max
×=
[pps/s]
n : duty (%)
ts : scan time [s]
On
Off Off
T1
T2