Functional earth
Only the functional earth (FE) is used for the device. The functional earth is only used to
discharge disturbances. For individuals, the functional earth is not intended as protection
against electric shock.
The control is grounded via the support rail. The support rail, on which the control is mounted, has to
be mounted to a grounded metal carrier, e. g. the rear panel of the control cabinet.
The control is provided with FE springs (metal clips) at its bottom side creating an electric connection
to the support rail while mounting.
If necessary, provide the support rail with a separate ground connection.
Potential equalization
Potential equalization acc. to DIN VDE 0100 part 540 has to be provided between the system parts
and the voltage supply.
10.5.5
Shielding
NOTICE
Failure due to insufficient shielding
Provide sufficient shielding.
The shielding reduces any effects of interferences on the system.
Observe the following when shielding:
•
Fasten the shielding as extensively as possible
•
Ensure proper contact between connector and terminal
• Avoid damaging or squeezing conductors
• Note the wire specifications when connecting the shielding
• Shield the closest possible to the signal terminal points
Route all power cables and data cables in separate cable channels.
11 Commissioning
11.1 IT security
Operating systems and machines requires the implementation of a comprehensive concept for state-of-
the-art IT security. Bosch Rexroth products are part of this comprehensive concept. The properties of
the Bosch Rexroth products have to be considered for a comprehensive IT Security concept. For the
required properties, refer to the IT Security Guideline (⮫ R911342562).
11.2 Commissioning steps
11.2.1 General information
To commission the device, proceed as follows:
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