Chapter 16 PLC Function ApplicationsMS300 (High Speed Model)
16-60
API
ROR
D n
Right rotation
30
D P
Bit device Word device
16-bit command (5 STEP)
ROR Continuous
execution type
RORP Pulse
execution type
32-bit command (9 STEP)
DROR Continuous
execution type
DRORP Pulse
execution type
Flag signal: M1022 Carry flag
X Y M K H KnX KnY KnM T C D
D
＊ ＊ ＊ ＊ ＊
n
＊ ＊
Notes on operand usage:
Only K4 (16-bit) will be valid if the operand D is designated as KnY
or KnM.
n operand n=K1-K16 (16-bit)
D
: Device to be rotated.
n
: Number of bits for one rotation.
Rotates the device designated by
D
to the right
n
bits.
This command is ordinarily used as a pulse execution type command (RORP).
When X0=Off→On, 4 of the 16 bits in D10 specify a right rotation; the content of
the bit indicated with * (see figure below) will be sent to the carry flag signal
M1022.
01110101 00111 001
010111001111001 0
0
upper bit lower bit
upper bit lower bit
*
X0
RORP
D10 K4
Rotate to the right
16 bits
Carry
flag
Carry
flag
After one rotation
to the right
D10
D10
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