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Control Cabinet PC
9.3 PC voltage supply X10
The 24 V DC voltage supply for the control cabinet PC is connected via the "X10"
connection.
All voltages internally required are generated without any electrical isolation via
a DC/DC converter. The connection is designed as spring terminal, SPC 5/3-
ST-7,62, 3-pin, grid 7.62 mm. Connect cables with the conductor cross-sections
listed in
tab. "The following conductor cross-sections are permitted for the
spring terminal at X10:" on page 16
Fig. 9-1: 24 V DC connection, X10, pin assignment
Pin
Labeling
1
+
2
–
3
U
NOTICE
Ensure that the polarity at the X10 plug and the dimensioning of the fuse are
correct.
WARNING
The 24 V DC input voltage must comply with the requirements of the "safe sepa-
ration"!
Plug and remove the plug connection only if there is no voltage!
DOK-SUPPL*-VPB*40.3***-IT05-EN-P
to it.
3
2
1
Function
Supply voltage 24 V
0 V supply voltage
Supply voltage in front of UPS available (see
USB interface" on page
Destruction of the control cabinet PC (fire haz-
ard) due to polarity reversal of the connection
at the X10 plug without additional external pro-
tection
Danger without safe separation!
Bosch Rexroth AG
chapter "UPS without
36)
Interfaces
15/57
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