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PSWAPP
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7.18 Other instructions
7.18.18 Load + Unload (PSWAPP)
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.
• The drive No. or the file name designated by or does not exist.
(Error code: 2410)
• The drive No. designated by is invalid. (Error code: 4100)
• There is not enough memory to load the specified program in drive 0.
(Error code: 2413)
• The program designated by is not in standby status or is being executed.
(Error code: 4101)
Program Example
(1) The following program deletes "EFGH.QPG" stored in drive 0 from the memory, transfers
"ABCD.QPG" stored in drive 4 to drive 0, and places the program in standby status when M0
is turned from OFF to ON.
[Ladder Mode] [List Mode]
S1
S2
S1
S1
Instruction
Device
Step