Mitsubishi MELSEC-Q/L Programming Manual page 573

Program Example
(1) The following program switches object file to file name ABC. QCD at drive No. 1 when X0 is ON, and to DEF. QCD at
drive No. 3 when X1 is ON.
[Ladder Mode]
[List Mode]
Step Instruction
Caution
(1) This instruction will not be executed even when the execution command of this instruction is ON while SM721 (file
access in execution) is ON for the Universal model QCPU and LCPU. Execute this instruction when SM721 is OFF.
(2) For the LCPU, when drive 2 (SD memory card) is specified as the drive number, this instruction cannot be executed
while SM606 (SD memory card forced disable instruction) is ON. Even if the instruction is attempted to be executed, the
command will be ignored.
Switches to ABC at drive No. 1
Switches to DEF at drive No. 4
Device
QCDSET, QCDSETP
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