12
Installation GRS103
Release
01
03/2022
2.7 Strain relief
Note: If the strain relief is insufficient, there is a potential risk of torsion,
contact problems and creeping interruptions.
Relieve the connection points of cables and lines from mechanical stress.
Design strain reliefs in such a way that they help prevent any mechanical
damage to cables, wires or conductors caused by external influences or
their own weight.
To help prevent damage to device connections, connectors and cables,
follow the instructions for proper installation in accordance with
DIN VDE 0100-520:2013-06, sections 522.6, 522.7 and 522.13.
2.8 Shielded ground
The shielded ground wire of the twisted pairs cables is connected to the front
panel as a conductor.
Beware of possible short circuits when connecting a cable section with
conductive shield braiding.
2.9 Electrical connections
2.9.1 Grounding the device
Before supplying your device with power, always verify that the device is
grounded.
The device is grounded via the power supply connection(s).
2.9.2 Requirements for connecting electrical wires
Before connecting the electrical wires, always verify that the requirements
listed are complied with.
The following requirements apply without restrictions:
The electrical wires are voltage-free.
The cables used are permitted for the temperature range of the
application case.
The device is grounded via the voltage supply socket (see figure 10).
Exclusively switch on the device when it is installed.
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