Delta C200 Series User Manual page 338

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API
ROR
30
Bit Devices
X Y M
D
n
Operands:
D: if in KnY and KnM, only K4 (16-bit) is valid
n: n=K1~K16 (16-bit)
E xplanation
Example
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D n
P
Word Devices
K H KnX KnY KnM T
＊ ＊
＊ ＊
1. D: Device to be rotated
2. This instruction rotates the device content designated by D to the right for
n bits.
3. This instruction adopts pulse execution instructions (RORP).
When X0 goes from Off to On, the 16-bit (4 bits as a group) in D10 will rotate to
the right, as shown in the figure below. The bit marked with
flag M1022.
X0
Rotate to the right
upper bit
D10 0 1 1 1 1 0
upper bit
0 1 0 1 0 1 1
D10
*
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Chapter 14 PLC Function |C200 Series
Rotate to the Right
16 bit command (5 STEPS)
ROR
C D
＊ ＊ ＊
32-bit command
－
Flag signal: M1022 Carry flag
n: Number of bits to be rotated in 1 rotation
RORP D10 K4
lower bit
1 1 0 1 0 0 0 1 0 1
16 bits
After one rotation
to the right
lower bit
1 1 0 1 1 0 1 0
14-53
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RORP
－ －
will be sent to carry
※
Carry
flag
0
0
Carry
flag
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－