10.6.2 Connecting the OperatingDisplay to the 24 V Voltage Supply
Connection diagram
Operator display
Potential-free
industrial power supply
unit acc. to DIN EN 60742,
classification VDE 0551
X1S1
1
2
3
24 V voltage
supply
GND
Fig. 10-9: Wiring the operating display to the control cabinet PC
Connection
1. Connect the "X1S1" interface for the 24 V voltage supply to the industrial
power supply unit.
Use a 24 V industrial power supply unit acc. to DIN EN 60742, classification VDE
0551, for example "VAP01.1H-W23-024-010-NN" (parts number R911171065) for
the voltage supply.
In case of greater distances between VDP and
control cabinet PC exceeds 50 m, equalizing
currents may flow when using a non-isolated
power supply unit as pin 2 is internally connec-
ted to the housing.
NOTICE
In this case an isolated power supply unit has to be used.
UPS
The display immediately darkens in the event of a power failure if
the operating display has been connected directly to the 24 V supply
voltage without using a UPS. The user cannot execute any actions
via the operating display during the shutdown of the control cabinet
PC.
If the operating display is connected together with the control cabi-
net PC to the "24 V Out" of the external UPS, the user still can ac-
cess the operating display during the shutdown in the event of a
power failure.
VDP 15.3, 18.3, 21.3 Multitouch
Bosch Rexroth AG
Assembly, Disassembly and Electrical Installation
DOK-SUPPL*-VDPXX.3MTBU-IT02-EN-P
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