323
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
11 Rotation and Shift Operation – FNC 30 to FNC 39
11.8 FNC 37 – WSFL / Word Shift Left
11
FNC3
0-F
NC3
9
R
otati
on and
Shif
t
12
FNC4
0-F
NC4
9
D
ata
O
per
ati
on
13
FN
C
50-FN
C
59
H
igh Speed
Pr
ocess
ing
14
FM
C
60-
FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
N
C7
9
Ex
ter
nal
FX
I/O
D
evice
16
FN
C
80-FN
C
89
Ext
ernal FX
De
vic
e
17
FN
C
100-
FN
C
109
Da
ta
Transf
er 2
18
FN
C
110-
FN
C
139
Fl
oati
ng Poi
nt
19
FN
C
140
-F
N
C
14
9
Da
ta
O
per
ati
on 2
20
FN
C
150-
FN
C
159
Posit
ioning
C
ontr
ol
11.8
FNC 37 – WSFL / Word Shift Left
Outline
This instruction shifts the word data information leftward by the specified number of words.
1. Instruction format
2. Set data
*1.
Do not set a negative value to the number of words to be shifted leftward.
3. Applicable devices
S
: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
1. 16-bit operation (WSFL and WSFLP)
For "n1" word devices starting from
, "n2" words are shifted leftward ([1] and [2] shown below).
After shift, "n2" words starting from
are shifted to "n2" words starting from
([3] shown below).
Operand Type
Description
Data Type
Head device number to be stored to the shift data after leftward shift
16-bit binary
Head word device number storing data to be shifted leftward
16-bit binary
n1
Word data length of the shift data n2
≤
n1
≤
512
16-bit binary
n2
Number of words to be shifted leftward n2
≤
n1
≤
512
*1
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modify K H
E
"
"
P
3
3
3
3
3 3 3 3
S
3
3
3
3
3 3 3 3
S
3
n1
3 3
n2
3 3
3 3
16-bit Instruction
9 steps
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
WSFL
WSFLP
−
−
Mnemonic
Operation Condition
32-bit Instruction
P
FNC 37
WSFL
S
D
S
D
D
S
D
Command
input
FNC 37
WSFLP
n1
n2
D
S