Counter Function Dedicated Instruction - Mitsubishi MELSEC-L series Programming Manual

2.5.2

Counter function dedicated instruction

Classification Instruction name
ICCNTRD1
ICCNTRD1P
Current value read
ICCNTRD2
ICCNTRD2P
ICRNGWR1
Ring counter
ICRNGWR1P
upper/lower limit
ICRNGWR2
value write
ICRNGWR2P
ICPREWR1
ICPREWR1P
Preset value write
ICPREWR2
ICOREWR2P
ICLTHRD1
ICLTHRD1P
Latch counter
value read
ICLTHRD2
ICLTHRD2P
ICSMPRD1
ICSMPRD1P
Sampling counter
value read
ICSMPRD2
ICSMPRD2P
ICCOVWR1
ICCOVWR1P
Coincidence
output point write
ICCOVWR2
ICCOVWR2P
ICFCNT1
Frequency
measurement
ICFCNT2
ICRCNT1
Rotation speed
measurement
ICRCNT2
2.5 Built-in I/O Function Instruction
2-12
2.5.2 Counter function dedicated instruction
Argument
-
-
Stores the most recent value for the current
value of the specified CH.
-
-
,
s1 s2
,
s1 s2
Sets a ring counter lower limit value and upper
limit value of the specified CH.
,
s1 s2
,
s2
s1
s
s
Sets a preset value of the specified CH.
s
s
,
n s
,
n s
Stores a latch counter value of the specified CH.
,
s
n
,
n s
d
d
Stores a sampling counter value of the specified
CH.
d
d
,
n s
,
n s
Sets a coincidence output No. n point of the
specified CH.
,
s
n
,
n s
d
Measures the frequency of the specified CH.
d
d
Measures the rotation speed of the specified
CH.
d
Processing details
Executing
Page
condition
8-18
8-19
8-21
8-22
8-23
8-24
8-25
8-26