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RCL
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{ RCL ... Left rotation of 16-bit data
Usable device
Bit device Word device
Con-
stant
Pointer Level
X Y M L SM F T C D R Z K H P N
Digit
desig-
nation
No. of
steps
Index
D
n
3
RCL
Left rotation command
n
D
RCL
Setting data
n
No. of device where left
rotation datais stored.
D
Times (0 to 15)
Function
The 16-bit data designated with D is rotated n bits to the left including the carry flag.
The carry flag must be set to 1 or 0 before executing RCL.
Carry flag
(SM12)
B15B14B13B12B11B10B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
D
Executed n times
Execution conditions
The execution conditions for the RCL command are as shown below.
Left rotation command OFF
RCL
ON
Executed per scan
Executed per scan