Справочник Пользователя для Mitsubishi Electronics MELSEC -Q/L

7  APPLICATION INSTRUCTIONS
7.17  Program Control Instructions

Processing details

 • Places the file name program stored in the device designated by (S) in the stand-by status.
 • Only the programs stored in the drive No. 0 (program memory/internal RAM) can be set as the stand-by type.
 • The specified program is placed in the stand-by status when END processing is performed.
 • This instruction will be given priority even in cases when a program execution type has been designated in the parameters.
 • It is not necessary to designate the extension (.QPG) with the file name. (Only .QPG files will be acted on.)

Operation error

 • 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

 • The following program places the program with the file name ABC in the stand-by status when X0 goes ON.

(S):   Character string for the name of the program file to be set in the stand-by status or head number of the devices where the character string data is stored 

(character string)

J\

U\G

(S)











2410

The program with the file name specified by (S) does not exist.













2412

The program type of the file name specified by (S) is the SFC program.













4101

The range of the device specified by (S) exceeds the range of the 
corresponding device.













[Ladder Mode]

[List Mode]

Basic

Command

Command

PSTOP

PSTOPP

S

S

Step

Instruction

Device