Wiring
Operating Manual PDP67 F 8DI ION PT
1004253-EN-02
12
6
Wiring
6.1
General wiring guidelines
Please note:
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Information given in the "Technical details" must be followed.
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Where safety-related applications are concerned, it is essential that short circuits and
open circuits are unable to cause a hazardous condition within a plant. The way in
which this is done will depend on the degree of hazard from the plant section, the
switching frequency of the sensors and the level of safety of the sensors and actuators.
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Please refer to the link module's operating manual for details of the maximum cable
length.
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Pilz pre-assembled cable can be used to connect the inputs and outputs (see order ref-
erence).
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We recommend you use pre-assembled Pilz connectors to connect the inputs and test
pulse outputs (see order reference).
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The supply voltage must be provided from a power supply. The power supply must
meet the following requirements:
–
Protection class II in accordance with the regulations for extra low voltages with
safe separation
–
Class 2 in accordance with UL 131
–
Isolated secondary circuit in accordance with UL 508
–
Fuse max. 4 A
CAUTION!
The supply voltages for an external device must be extra low voltages with
safe electrical separation (PELV or SELV) in accordance with VDE 0100,
Part 410.
CAUTION!
In order to guarantee protection type IP67, unused plug-in connectors
should be sealed using the blind plugs supplied.
CAUTION!
Make sure that the plug-in connectors are connected to the sensors cor-
rectly. Once you have run a function test to check that the plug-in connect-
ors are connected to the sensors correctly, the inputs should be labelled. If
the inputs are connected to the sensors incorrectly, life-threatening situ-
ations may arise on the plant.