741
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
Use of a timer twice or more
• In the same way as an output coil, a timer coil can be
programmed in different state relays. However, it is not
permitted to program the same timer coil in adjacent
state relays. If the same timer coil is programmed in
adjacent state relays, the timer coil is not set to OFF at
process transfer, so the current value is not reset.
Output driving method
• It is not permitted to write program an instruction not requiring a contact after LD or LDI instruction from a
bus line in a state relay.
Change such a circuit as shown below.
41
42
40
T1
T1
T1
K10
K20
Not
allowed
10
Y001
X005
Y002
Y003
10
Y001
X005
Y002
Y003
Move the
position.
10
Y001
M8000
Y003
Y002
Insert a NC
contact.
X005
RUN
monitor
or
Change
Change
Содержание FX3U Series
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