Siemens SIMATIC Manual page 38

24 V
Power circuit
K1
K3
Control circuit
NC contact
from
K4 K3
K3 K4
M
4
Incremental encoder
Signal A
Signal B
Signal N
L1 L2 L3
K2
K4
M
pole–switching
motor
E2 E1
K2 K1
K1 K2
X1
1 21
2 22
3 23
4 24
5 25
6 26
7 27
8 28
9 29
10 30 10
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
M
19 19
L+
20 20
M
X1
1 21
2 22
3 23
4 24
5 25
6 26
7 27
8 28
9 29
10 30
11
12
13
14
15
16
17
18
19
20
E1 =Hardware limit switch minus
K1 = In plus direction
E2 =Hardware limit switch plus
K2 = In minus direction
K3 = Rapid speed
K4 = Creep speed
Automation System S7-300, Getting Started – Digital
X2
21
1
2 22
23
3
4 24
5 25
26
6
7 27
28
8
9 29
30
31
32
33
34
35
36
37
38
39
40
X2
21
1
2 22
23
3
4 24
5 25
26
6
7 27
28
8
9 29
30
10
31
11
12 32
13 33
14 34
15 35
36
16
17 37
38
18
19 39
40
20
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