796
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
35 SFC Program and Step Ladder
35.2 Step Ladder
M8002
S0
S0
Y003
Y005
X000
X001
S21
S30
S21
Y003
T0 K300
T0
S22
S30
Y005
T2
S31
S22
LD
SET
STL
OUT
OUT
LD
OR
SET
SET
STL
OUT
OUT
LD
SET
STL
OUT
LD
SET
STL
M8002
0
1
3
4
5
6
7
8
10
12
13
14
17
18
20
21
22
23
25
0
3
17
T0
22
34
4
20
T4
50
53
54
65
69
70
76
77
81
82
Y002
T1 K100
T1
S23
S31
Y006
T3 K150
T3
S32
S23
Y001
T2 K50
S32
T4 K5
T4
S33
S33
Y006
C0 K5
OUT
OUT
LD
SET
STL
OUT
OUT
LD
SET
STL
OUT
OUT
STL
OUT
LD
SET
STL
OUT
OUT
26
27
30
31
33
34
35
38
39
41
42
43
46
47
50
51
53
54
55
T5 K5
C0
T5
S34
C0
T5
S32
S34
Y005
C0
T6 K50
S23
S34
T6
S0
OUT
LD
AND
SET
LDI
AND
OUT
STL
OUT
RST
OUT
STL
STL
LD
OUT
RET
END
58
61
62
63
65
66
67
69
70
71
73
76
77
78
79
81
82
X000
X001
6
13
21
T2
26
33
30
T1
61
C0 T5
C0 T5
T6
12
25
41
38
T3
42
47
46
78
T6
S0
S0STL
SET
C0
K5
Y003
T0
K100
Y002
Y006
T5
K5
K50
T2
Y003
T1
S22SET
S30STL
S22STL
S31SET
Y005
K300
S31STL
S23SET
Y006
T3
S23STL
S32SET
Y001
K150
S33SET
S33STL
S32STL
K5
T4
S34SET
S32
S34STL
Y005
C0RST
K50
S23STL
S34STL
S0
RET
END
S21SET
S30SET
S21STL
Y005
Initial pulse
Crossing button
Road:
Yellow
Road:
Red
Sidewalk:
Green
Road:
Green
Sidewalk:
Red
This counter counts how many times the
state relay S33 turns ON. When S33 turns
ON five times, the contact C0 turns ON.
<List program>
<Step ladder>
Sidewalk:
Red
Road:
Green
Sidewalk:
Red