Mitsubishi Electric MELDAS 60 Series Programming Manual page 36

Plc programming
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(7) Rotation commands
Process
Command
Class
unit
16-bit
Right
rotation
DROR
32-bit
DRCR
16-bit
Left rotation
32-bit
16-bit
Right shift
Device
unit
16-bit
Left shift
Device
unit
Symbol
sign
ROR D
ROR
RCR D
RCR
DROR
D
DRCR
D
ROL D
ROL
RCL D
RCL
DROL
D
DROL
DRCL
D
DRCL
SFR
D
SFR
DSFR
D
DSFR
D
SFL
SFL
DSFL
D
DSFL
Process details
b15
(D)
n
Rotate n bits right.
b15
(D)
n
Rotate n bits right.
(D+1)
(D)
b31
b16
b15 ~
n
Rotate n bits right.
(D+1)
(D)
b31
b16 b15
~ b0
n
Rotate n bits right.
SM12
b15
(D)
n
Rotate n bits left.
SM12
b15
(D)
n
Rotate n bits left.
(D+1)
SM12
b31
b16
n
Rotate n bits left.
(D+1)
SM12
b31
b16
n
Rotate n bits left.
bn
b15
n
b15
0 ~ 0
n
n
0
b15
bn
n
b15
SM12
n
n
- 28 -
6. Explanation of Commands
No.
of
step
b0
SM12
3
b0
SM12
3
b0
SM12
3
SM12
3
b0
3
b0
3
(D)
b15 ~
b0
3
(D)
b15 ~
b0
3
b0
3
b0 SM12
(D)
4
b0
3
b0
0~0
(D)
4
0
Page
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160
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