790
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.2 Step Ladder
2) Parallel recombination and parallel branch
3) Selective recombination and parallel branch
4) Parallel recombination and selective branch
STL
STL
LD
SET
STL
LD
SET
SET
101
20
1X000
X000 TRAN
S101
STL S20
SET S50
S20
S30
X000
S101
S101
S101
S50
S60
30
2
50 60
S101 TRAN
SET S101
STL S101
STL S30
SET S60
<Step ladder>
<SFC program> <List program>
Dummy state
STL
LD
SET
STL
LD
SET
STL
LD
SET
SET
102
20
1
X000
S102 TRAN 2
X001
STL S20
SET S102
S20
X000
S102
S30
X001
S102
S102
S102
S40
S50
30
3
40 50
X001 TRAN
X102 TRAN
SET S102
STL S30
S102 SET S40
STL S102
SET S50
<Step ladder>
<SFC program> <List program>
Dummy state
<List program>
STL
STL
LD
SET
STL
LD
SET
LD
SET
103
20
1X000 TRAN X000
STL S20
SET S103
S20
S30
X000
S103
S103
X001
S40
X002
S50
30
2
40 50
X001 TRAN 3X002 TRAN
STL S30
X001 SET S40
STL S103
X002 SET S50
<Step ladder>
<SFC program>
Dummy state