Shift Instructions Bit Device Shift (Sft, Sftp) - Mitsubishi MELSEC A1SCPU Handy Manual

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PROG RAMMI NG
Shift instructions
Bit device shift (SFT, SFTP)
Device number to be shifted
SFTP
The SFT, SFTP instructions shift the ONlOFF status of the specified device number
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1, to the specified device number and turns OFF the device with the lower number. To
turn ON the head device to be shifted, use the SET instruction. When the SFT of SFTP
instruction is used consecutively, program the higher device numbers first so as not to
overwrite the original data before shifting.
An example of the SFT/SFTP instruction is shown below
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