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(3) Designated programs assume the scan execution type with END processing.
Example
When programs A, B, and C exist and program A performs "PSCAN" of program D.
(4) This instruction will be given priority even in cases when a program execution type has been designated in the
parameters.
(5) It is not necessary to designate the extension (.QPG) with the file name.
(Only .QPG files will be acted on.)
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into
SD0.
Error
code
2410
The program with the file name specified by
The specified file name is the SFC program, and the SFC program for
the other file name has been already started.
2504
(For the High Performance model QCPU, Process CPU, Redundant
CPU)
The range of the device specified by
4101
corresponding device.
The specified file name is the SFC program, and the SFC program for
4131
the other file name has been already started. (Dual activation error of
the SFC program)
Program Example
(1) The following program sets the program with file name ABC as scan execution type when X0 is turned ON.
[Ladder Mode]
7.17.4
PLOW, PLOWP
Program low speed execution registration
7.17.4
PLOW, PLOWP
PLOW
PLOWP
: File name of the program to be set as a low speed execution type, or head number of the devices where the file name is stored (character string)
S
Setting
Internal Devices
Data
Bit
Word
––
S
A
B
C
END
Execution of
PSCAN
Scan
Error details
does not exist.
S
exceeds the range of the
S
[List Mode]
Step
Command
Command
J
\
R, ZR
Bit
Word
A
B
C
D
END
Program D
is executed
Scan
Q00J/
Q00/
QnH
Q01
––
––
––
––
––
Instruction
Device
High
Basic
Process
performance
PLOW
PLOWP
Zn
U
\G
––
PLOW, PLOWP
QnPH QnPRH
QnU
LCPU
––
––
––
––
LCPU
Redundant Universal
S
S
Constants
Other
$
––
601
1
2
3
4
4
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7
8
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