Mitsubishi Electric M800VW Series Programming Manual page 311

M800V/M80V Series PLC Programming Manual (1/2)
8 Function Instructions
8.7 Rotation Instructions
 Operation errors
 There are no arithmetic errors associated with the SFR(P) or SFL(P) instructions.
 Program example
 The following program shifts the contents of Y10 to Y1B to the right by the number of bits designated by D0 when X20 goes
ON.
X20
0
4
Y1B Y18 Y17
1 0 1 0 1 0 1 0 1 0 1 0
D0 4
Y1B Y18 Y17
0 0 0 0 1 0 1 0 1 0 1 0
Becomes 0
 The following program shifts the contents of X10 to X17 3 bits to the left when X1C is ON.
X1C
0
4
Y17
0 0 1
Carry flag
(SM12)
Y17
1 1 0 0
IB-1501667-B
[Ladder mode]
SFR K3Y10 D0
END
Y14 Y13 Y10
Y14 Y13 Y10
[Ladder mode]
SFLP K2Y10 K3
END
Y14 Y13 Y10
1 0 0 1 1
Y14 Y13 Y10
1 1 0 0 0 0
Becomes 0
Steps
0
1
4
Carry flag
(SM12)
1
Steps
0
1
4
290
[List mode]
Inst. Device
LD X20
SFR K3Y10
D0
END
[List mode]
Inst. Device
LD XC
SFLP K2Y10
K3
END