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2 INSTRUCTION TABLES
2.5 Built-in I/O Function Instruction
Counter function dedicated instruction
Classification
Instruction
name
Argument
Processing details
Executing
condition
Reference
Current value read
ICCNTRD1
Stores the most recent value for the current
value of the specified CH.
ICCNTRD1P
ICCNTRD2
ICCNTRD2P
Ring counter upper/lower limit
value write
ICRNGWR1
(s1), (s2)
Sets a ring counter lower limit value and upper
limit value of the specified CH.
ICRNGWR1P
(s1), (s2)
ICRNGWR2
(s1), (s2)
ICRNGWR2P
(s1), (s2)
Preset value write
ICPREWR1
(s)
Sets a preset value of the specified CH.
ICPREWR1P
(s)
ICPREWR2
(s)
ICPREWR2P
(s)
Latch counter value read
ICLTHRD1
n, (d)
Stores a latch counter value of the specified
CH.
ICLTHRD1P
n, (d)
ICLTHRD2
n, (d)
ICLTHRD2P
n, (d)
Sampling counter value read
ICSMPRD1
(d)
Stores a sampling counter value of the
specified CH.
ICSMPRD1P
(d)
ICSMPRD2
(d)
ICSMPRD2P
(d)
Coincidence output point write
ICCOVWR1
n, (s)
Sets a coincidence output No. n point of the
specified CH.
ICCOVWR1P
n, (s)
ICCOVWR2
n, (s)
ICCOVWR2P
n, (s)
Frequency measurement
ICFCNT1
(d)
Measures the frequency of the specified CH.
ICFCNT2
(d)
Rotation speed measurement
ICRCNT1
(d)
Measures the rotation speed of the specified
CH.
ICRCNT2
(d)
Summary of Contents for MELSEC System Q
Page 1: ...MELSEC Q L Structured Programming Manual Special Instructions ...
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Page 307: ...10 SFC CONTROL INSTRUCTION 10 2 SFC Transition Condition Comment Read 305 10 MEMO ...
Page 309: ...I 307 MEMO ...
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