602
PLOW, PLOWP
Function
(1) Sets the program whose file name is being stored at the device designated by in low-speed execution type.
(2) Only the programs stored in the drive No. 0 (program memory/internal RAM) can be set as the low speed execution type.
(3) Designated programs assume the low speed execution type with END processing.
When programs A, B, and C exist and program A performs "PLOW" of program D. (Assume that the constant scan has
been set.)
(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.
Program Example
(1) The following program sets the program with file name ABC as low-speed execution type when X0 is turned ON.
[Ladder Mode] [List Mode]
Error
code
Error details
Q00J/
Q00/
Q01
QnH QnPH QnPRH QnU LCPU
2410 The program with the specified file name does not exist. –– –– –– ––
4235 There is a CHK instruction in the program with the specified file name. –– –– –– ––
S
Example
ABCENDABCDEND
Scan Scan
Waiting for constant
Execution of
PLOW
Program D
is executed
Step Instruction Device
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