10 SFC CONTROL INSTRUCTION
10.2 SFC Transition Condition Comment Read
303
10
10.2
SFC Transition Condition Comment Read
S(P)_SFCTCOMR
The following instruction can go in the dotted squares.
S_SFCTCOMR, SP_SFCTCOMR
■
Executing condition
■
Argument
*1 Local device cannot be used.
Processing details
This function reads comments of the transition condition 1 associated with steps activated in the SFC block specified at (n1)
with the number of comments specified at (n2), and stores those to the device number of after specified at (d1).
Instruction
Executing condition
S_SFCTCOMR
SP_SFCTCOMR
Input/output
argument
Name
Description
Data type
Input argument
EN
Executing condition
Bit
n1
Block No. of an SFC program that read comments
or device number where block No. is stored.
ANY16
n2
The device number where the number of comments
to read or the number of comments is stored.
ANY16
n3
The number of comments to read in a single scan
or device number where the number of comments
is stored.
ANY16
Output argument
ENO
Execution result
Bit
d1
The first number of device that stores comment
read.
ANY16
d2
A device that turns ON for 1 scan at completion of
the instruction.
Bit
Setting
data
Internal
device
R J
\
U
\G
Zn
Constant
K, H
Expansion
SFC
BLm\Sn
Others
Sequence
Program
SFC Program
Execution Site
Bit
Word
Step
Transition
Condition
Block
Step
Transition
Condition
n1
n2
n3
(d1)
(d2)
Universal
Redundant
High
performance
Process
Structured ladder/FBD
ST
SP_SFCTCOMR
EN
ENO
n1
n2
n3
d1
SP_SFCTCOMR
(EN, n1, n2, n3, d1, d2);
ENO:=
d2
Содержание MELSEC System Q
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