493
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
18 Floating Point – FNC110 to FNC139
18.17 FNC129 – INT / Floating Point to Integer Conversion
11
FN
C30-
FN
C39
R
o
ta
tion and
Sh
ift
12
FNC
4
0
-FNC49
D
a
ta
Op
e
ra
tio
n
13
FNC5
0
-FNC5
9
H
igh Speed
Pr
ocessi
ng
14
FM
C6
0
-F
NC6
9
H
and
y
In
st
ru
cti
o
n
15
FNC7
0
-FNC7
9
Ex
te
rn
a
l F
X
I
/O
D
evi
ce
16
FNC8
0
-FNC8
9
Ext
e
rnal
FX
D
evi
ce
17
F
N
C1
00
-F
NC
10
9
Da
ta
Tr
ansf
e
r 2
18
FN
C
110-FN
C
13
9
Fl
oat
ing P
o
in
t
19
FN
C
140-FN
C
149
Da
ta
O
per
at
io
n
2
20
FN
C
15
0-F
N
C
159
P
o
si
tioni
ng
C
ont
ro
l
Related devices
→
For the methods of zero, borrow and carry flags, refer to Subsection 6.5.2.
Caution
1. Caution in the operation
• Values after the decimal point are rounded.
Device
Name
Description
M8020
Zero flag
Turns ON when the operation result is 0
M8021
Borrow flag
Turns ON when the conversion result is cut in the decimal part.
M8022
Carry flag
Turns ON when the operation result is outside the range from
−
32768 to 32767
(in 16-bit operation) or from
−
2,147,483,648 to 2,147,483,647 (in 32-bit operation) and
overflow occurs. (The operation result is not reflected.)
Содержание FX3U Series
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