Shift Instructions - Mitsubishi MELSEC Q Series Programming Manual

SFT(P)
5.4

Shift Instructions

5.4.1
Bit device shifts (SFT(P))
SFT(P)
SFT
SFTP
Setting
Data
D
Function
(1) When bit device is used
(a) Shifts to a device designated by
to the one designated by
For example, if M11 has been designated by the SFT instruction, when the SFT
instruction is executed, it will shift the ON/OFF status of M10 to M11, and turn M10 OFF.
(b) Turn the first device to be shifted ON with the SET instruction.
(c) When the SFT and SFTP are to be used consecutively, the program starts from the
device with the larger number.
Shift input
M0
X2
5-44
Command
Command
: Device number to shift (bits)
D
Internal Devices
R, ZR
Bit Word
(Other than T, C)
, and turns the prior device OFF.
D
SFTP M14 (1)
(2)
SFTP M13
(3)
SFTP M12 (4)
(5)
SFTP M11
(6)
SET M10 (7)
Head device to shift
High
Basic
performance
J \
U \G
Bit Word
the ON/OFF status of the device immediately prior
D
Shift range
M15 M14 M13 M12 M11 M10 M9
0 0 0 0 0 1 1
0
0 0 0 0 1 0 1
0
0 0 0 1 0 0 1
0 0 0 1 0 1 1
0
0 0 1 0 1 0 1
0
0 1 0 1 0 0 1
0
0 0 1 0 0 0 1
* At M8 to M15, "1" indicates ON and "0" indicates OFF.
Process
Redundant Universal LCPU
SFT D
SFTP D
Other
Zn Constants
DY
––
M8
0 X02 ON
0
After the 1st shift input
0
After the 2nd shift input
0 X02 ON
0 After the 3rd shift input
0 After the 4th shift input
0 After the 5th shift input