Mitsubishi FX1N Series Programming Manual

FX Series Programmable Controlers Applied Instructions 5
5-44
5.4.2 ROL (FNC 31)
Operation:
The bit pattern of the destination device (D) is rotated
n bit places to the left on every operation of the
instruction.
The status of the last bit rotated is copied to the carry
flag M8022.
The example shown left is based on the instruction
noted above it, where the bit pattern represents the
contents of D0.
Mnemonic Function
Operands
Program steps
SD
ROL
FNC 31
(Rotation
left)

The bit pattern of
the destination
device is rotated
‘n’ places to the
left on every
execution
KnY, KnM, KnS,
T, C, D, V, Z
Note:
16 bit operation
Kn= K4,
32 bit operation
Kn= K8
K, H,
)
Note:
16 bit operation n ≤ 16
32 bit operation n≤ 32
ROL,ROLP:
5steps
DROL,
DROLP:
7steps
FX 1S
FX 1N FX 2N
FX 2NC
PULSE-P 16 BIT OPERATION 32 BIT OPERATION
Flags
Carry M8022
X0
D 0
[ D ]
K 4
[ n ]
ROL
111111110000000 0
111100000000111 1
M8022
1
Carry
M8022
After 1 rotation
LSB
MSB

Mitsubishi FX1N Series Specifications

General

Brand	Mitsubishi
Model	FX1N Series
Category	Controller
Language	English