Plug contact Signal Function
a1, a2 24 V +24 V DC supply voltage (U
LS
)
b1. b2 0 V GND (U
LS
) (ground supply voltage)
Tab. 10-1: Pin assignment of the power connector XD1
In the power connector, the contact a1 is bridged with a2 and the
contact b1 is bridged with b2.
10.7.3 24 V voltage supply
The voltage of 24 V can be supplied with or without electrical isolation.
Setup with potential binding between internal logic and periphery supply
An easy connection method is the setup with an electrical isolation between the
internal logic and the peripheral supply.
In this case, a power supply unit is sufficient to supply the control.
In the device, the 0 V connection (U
LS
) is electrically isolated to the
ground connection.
50
D
60
52
53
62
61
E1
64
71
UI
65
32
E2
22
14
0407
04
12 13
45
D
03
33
56
4243
57
73
34 35
a1
36
12 13
03
54
64
22 23
03
4647
32
66
40
13
25
76
22 23
32 33
a2
67
66
32 33
7677
02
55
74
10
33
16
23
06
15
56
05
26
46
27
15
40
37
17
05
7071
63
7273
24
34
57
14
04 05
67
24
35
77
34
14 15
00 01
31
12
0206
30 3136 37
00
26 27
10 11
44
20 21
47
b2
03
b1
27
1117
01
01
37
11
21
41
42
50
52
26
51
16
55
20
02
45
36
54
30
07
E2
a1
36 37
20
a2
30
16 17
00 01
30 31
06 07
21
31
61
63
60
53
24 25
43
14 15
b1
b2
24 25
65
22
34 35
75
12
E1
16 17
10
UO
06 07
00
26 2720 21
10 11
02
23
04 05
72
35
62
25
70
41
13
51
44
7475
FE
PE
Overvoltage category I, 24 V
0 V
24 V
Separable
connections
Power supply unit
24 V
Fig. 10-14: Setup with power supply unit
Control does not start in case of reverse input voltage
The feeding of 24 V at the XD1 connector is protected against polari-
ty reversal. A polarity reversal of the 24 V and 0 V feeding (U
LS
) does
not damage the device. However, the control does not start and the
U
L
LED is not on.
IndraControl XM42 Controls 27/65
Mounting, demounting and electric installation
R911345566_Edition 03 Bosch Rexroth AG
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