I 
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 
- 
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 
114