755
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
34 SFC Program and Step Ladder
34.1 SFC Program
31
FN
C
275-FN
C
279
Da
ta
Tr
ans
fe
r 3
32
FN
C
280
-F
N
C
28
9
H
igh Speed
Pr
oces
si
ng 2
33
FN
C
290-FN
C
299
Ext
ensi
on Fi
le
R
egi
st
er
34
SF
C
•S
T
L
Pr
o
g
ra
m
m
in
g
35
In
te
rru
p
t
Funct
ion
36
Sp
e
cia
l De
vic
e
37
E
rro
r C
o
d
e
A
V
e
rs
ion U
p
In
fo
rm
a
tio
n
B
Ex
ec
ut
ion Ti
m
e
s
C
Appl
ic
ab
le
In
st
ru
ct
ion Li
st
5. The following flows are allowed.
Flow B is alright. In flow A, however, note that an operation is paused at a point where parallel branches are
recombined.
6. It is not permitted to cross flows in SFC programs.
Change a flow on the left to a flow on the right. This change enables inverse conversion from a program on
the instruction word basis into an SFC program. (The flow on the left cannot be converted into an SFC
program.)
A
B
B
A
Cross is not
allowed.
Change
Содержание FX3U Series
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