Mitsubishi Electronics FX3G User Manual
791
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.2 Step Ladder
31
FNC277
-F
NC2
79
79
Da
ta
Trans
fer 3
fer 3
32
FNC28
0-F
NC
289
289
H
igh-Speed
Process
ing 2
33
FNC2
90-
FNC299
FNC299
Ex
tensi
on Fi
le
le
Register C
ontrol
34
FN
C300-
FNC30
5
FX
3U
-C
F-
AD
P
35
SFC
•STL
Programming
36
Interrupt
Function
37
Sp
ec
ia
l D
evi
ce
38
E
rror Code
A
Ve
rsi
on U
p
Inform
ati
on
B
Ex
ecuti
on
T
imes
Output driving method
It is required to include a LD or LDI instruction before the last OUT instruction in a state relay.
Change such a circuit as shown below.
Change such a circuit as shown below.
State relay transfer method
Each OUT and SET instruction in state relays automatically resets the transfer source, and has the self-holding
function.
OUT instructions can only be used for transfer to a separate state relay in an SFC program.
function.
OUT instructions can only be used for transfer to a separate state relay in an SFC program.
Replacing “ ” and “V”
Replace the symbol “ ” used in SFC programs to express repeat, jump or transfer to a state relay in another separate
flow with the OUT instruction.
Replace the symbol “V” (used to express reset of a state relay) with the RST instruction.
flow with the OUT instruction.
Replace the symbol “V” (used to express reset of a state relay) with the RST instruction.
Y001
Change
Y002
Y003
Y001
X005
Y002
Y003
Move the
position.
Y001
M8000
Y003
Y002
Insert "Always ON"
contact.
X005
RUN
monitor
or
STL
S20
STL
S20
STL
S20
X005
Change
S50
STL
S41
SET
S42
Transfer
condition
Transfer to the next state relay
(SET instruction)
Transfer to a separate state
Transfer to a separate state
relay (OUT instruction)
41
40
Y001
1
X001
X003
X001
X002
TRAN
2
3
X003
TRAN
X004
TRAN
X002
X004
Y001
STL
S40
SET
S41
S52
STL
S41
RST
S41
Replacement of “ ”
in the part 52
in the part 52
Replacement of “ ”
in the part 41
in the part 41
<Step ladder>
<SFC program>
52
41