Mitsubishi Electric MELDAS 60 Series Programming Manual page 70

Plc programming
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SFT ... Device shift
Bit device
X
Y
M
L SM F
D
SFT
Function
(1) The device that designates the ON/OFF state of the device that is one number smaller than the
device designated with D (destination) is shifted, and the device that is one number smaller is
turned OFF.
(2) Turn the head device to be shifted ON with the SET command.
(3) When using SFT in succession, program from the largest device No.
Shift input
M0
(Pulse coding)
X02
Usable device
Word device
T
C
D
R
Z
SFT command
SFT M14
SFT M13
SFT M12
SFT M11
SET M10
* In M8 to 15, "1" indicates ON and "0" indicates OFF.
Operation of shift command
Con-
Pointer
stant
K
H
P
Setting data
D
M15 M14 M13M12M11M10 M9 M8
0 0
0 0
0
1 1
0 0
0 0
1
0
0 0
0
1
0 0
0 0
1
0
0 0
0
1
0 0
0 0
0 0
0 0
0 0
- 62 -
SFT
Digit
No. of
desig-
Level
steps Index
nation
N
4
SFT
D
Device No. to
be shifted
State before initial shift
0
1
0
After 1st shift input
After 2nd shift input
1
0
After 3rd shift input
1
0
After 4th shift input
1
0
After 5th shift input
1
0

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