Pepperl+Fuchs ENT-DC-30, Technical Manual

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TDOCT-4038_ENG / 2015-01 4
2 Initial Operation
This description for initial operation refers to those issues that must be considered with respect to the power
supply ENT-DC. Information with respect to operation of the peripherals connected to the ENT-DC power
supply can be found in the appropriate manual.
For operation proceed as follows:

Switch off system or machine.

Make sure that the assembly area is non-hazardous during the initial operation in case voltages are wired or
devices will be opened that are not intrinsically safe.

Connect Exi power supply ENT-DC. Refer to the chapter “Wiring” for the appropriate connections.

Connect protective ground wire to the power supply ENT-DC.
Warning
The protective ground wire runs along the housing. The
housing itself must be grounded. The wire for
connecting to ground must have a cross section of at
least 2.5 mm² and should be as short as possible.

Connect power supply.

Verify all functions.

Switch on system or machine.

Verify functions of the entire system or machine.
Warning
In case the ENT-DC has not been connected correctly
or its configuration is incorrect, malfunctioning of your
system/machine is possible.
Warning
The power supply ENT-DC is exclusively designed to
be integrated into a different machine. Operation may
not be initiated until conformity of the final product with
regulation 89/336/EC and 89/392/EC has been
established and the unit has been approved by a
specialist according to EN 60079 and EN 50014
respectively.