5.4
Electrical connection
5.4.1
General notes for connection
Work at live installations and electrical connections must be carried out by appropriately trained
specialists only.
If the valve coupler is connected with an activated live bus segment make sure that the bus
cables are not short-circuited so that the function of other bus stations is not affected.
Location of electrical connections
The connector terminals of the valve coupler for the connection of the valves with PFCs and the fieldbus
are accommodated in two separate terminal spaces.
Left
terminal space
Figure 5.2: Valve coupler with the terminal space covers removed
To keep the protection degree IP65 of the housing make sure when doing connection work that
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
Valves + final position sensors
•
for the connection round cables only are used with the diameter of 4 mm ... 8 mm
for the valves and 5 mm ... 10 mm for fieldbus,
•
the cable glands are tightened properly,
•
the sealings of the terminal space cover are not damaged and the screws of the ter-
minal space cover are tightened properly,
•
and that unused cable glands must be closed by the supplied blank inserts and that
these cable glands are tightened in a sealing way.
Fieldbus Valve Coupler FD0-VC-Ex4.FF
FF-H1
Copyright Pepperl+Fuchs, Printed in Germany
Installation
Right
terminal space
19
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