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Installing and connecting the device
3.3 Connecting the device
Procedure
NOTICE
Damaging the connection box
Do not tighten the screws of the mains terminal if it is not plugged into the connection box.
The pressure from the screwdriver may otherwise damage the plug socket in the
connection box.
Only connect the wires when the mains terminal is withdrawn.
1. Connect the mains terminal to the cables of the power supply as shown in the figure
below.
Ensure that the lines are connected properly to the correct terminals. See the labeling on
the back of the connection box to assist you.
2. Insert the mains terminal into the associated interface.
This is shown in the chapter "Connecting cables and replacing fuses (Page 38)".
40
NOTICE
Safe electrical separation
The supply voltage must be within the specified voltage range. Otherwise there is a risk
that the HMI device will malfunction.
Use only 24V DC power supply units with safe electrical isolation in accordance with
IEC 60364-4-41 or HD 384.04.41 (VDE 0100, Part 410), for example, in accordance
with the PELV standard.
Applies to non-isolated system design:
Connect the GND 24 V connection from the 24 V power supply output to equipotential
bonding for uniform reference potential.
Operating Instructions, 07/2015, A5E36360099-AA
Mobile Client900RXA
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