Delta VFD300C43S-HS User Manual page 713

API
ROL
31
D P
Bit device
X Y M K
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=1 to 16 (16-bit)
D

 Rotates the device designated by
 This command is ordinarily used as a pulse execution type command (ROLP).
 When X0=Off→On, 4 of the 16 bits in D10 specify a left rotation; the content of the
bit indicated with * (see figure below) will be sent to the carry flag signal M1022.
D n
Word device
H KnX KnY KnM T
* * *
*
: Device to be rotated.
Chapter 16 PLC Function ApplicationsC2000-HS
Left rotation
16-bit command (5 STEP)
ROL Continuous
C D
execution type
* *
32-bit command (9 STEP)
DROL Continuous
execution type
Flag signal: M1022
n
: Number of bits for one rotation.
D
to the left
16-71
ROLP Pulse
execution type
DROLP Pulse
execution type
Carry flag
n
bits.