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Bosch Rexroth AG
Connecting and removing cables
7.7
Connecting the power supplies
7.7.1
IndraControl S20 system supply
To operate an IndraControl S20 station, you must provide the supply voltage for
the bus coupler, the local bus (communications power of the connected modules)
and the sensors and actuators.
Unshielded cables are usually sufficient for connecting the power supplies. Con-
nect them as shown in
Chapter "Connecting unshielded cables" on page
For the connector pin assignment of the supply voltage connections,
please refer to the module-specific documentation.
S20-PN-BK+
S20-DO-16/3
70
71
72
73
74
75
76
77
60
61
62
63
64
65
66
67
50
51
52
53
54
55
56
57
40
41
42
43
44
45
46
47
70
71
72
73
74
75
76
77
60
61
62
63
64
65
66
67
I
50
51
52
53
54
55
56
57
40
41
42
43
44
45
46
47
Bus
UL
D
00
01
02
03
04
05
06
UO
10
11
12
13
14
15
16
E1
20
21
22
23
24
25
26
E2
30
31
32
33
34
35
36
a1
a1
00
01
02
03
04
05
06
a2
a2
10
11
12
13
14
15
16
b1
b1
20
21
22
23
24
25
26
b2
b2
30
31
32
33
34
35
36
U
U
L
O
Fig. 7-10
Supply voltages in the IndraControl S20 system
Key:
U
(U
)
Communications power supply
L
Logic
U
(U
)
Power supply of the IndraControl S20 local bus
Bus
Bus
(generated from U
U
(U
)
Supply for digital input modules
I
Input
Sensor supply/encoder supply (S20-CNT-INC-2/2)
Encoder supply/analog supply (S20-SSI-AO-1/1)
U
(U
)
Sensor supply (generated from U
S
Sensor
U
(U
)
Supply for digital output modules
O
Output
U
(U
)
Supply for digital input and output modules
IO
Input/Output
U
(U
)
Supply for analog modules
A
Analog
I
(I
)
Power supply for the local bus
Bus
Bus
For information regarding which supply voltage is used with a module,
please refer to the module-specific documentation.
DOK-CONTRL-S20*SYS*INS-AP02-EN-P
IndraControl S20 System and Installation
S20-DI-16/4
S20-AI-8
70
71
72
73
74
75
76
77
60
61
62
63
64
65
66
67
50
51
52
53
54
55
56
57
40
41
42
43
44
45
46
47
70
71
72
73
74
75
76
77
60
61
62
63
64
65
66
67
50
51
52
53
54
55
56
57
40
41
42
43
44
45
46
47
D
07
D
00
01
02
03
04
05
06
07
00
01
02
03
04
05
17
UI
10
11
12
13
14
15
16
17
UA
10
11
12
13
14
15
E1
27
E1
20
21
22
23
24
25
26
27
20
21
22
23
24
25
37
E2
30
31
32
33
34
35
36
37
E2
30
31
32
33
34
35
a1
00
01
02
03
04
05
07
a1
00
01
02
03
04
05
06
07
a2
10
11
12
13
14
15
17
a2
10
11
12
13
14
15
16
17
b1
20
21
22
23
24
25
27
b1
20
21
22
23
24
25
26
27
b2
37
b2
30
31
32
33
34
35
36
37
30
31
32
33
34
35
U
U
I
A
U
S
)
L
59.
06
07
16
17
26
27
36
37
06
07
16
17
26
27
36
37
)
I
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