Potential compensation
The valve terminal has two earth connections for
potential compensation:
• on the operating voltage connection
(pin 4 leading socket)
• on the left-hand end plate (M4 thread)
PLEASE NOTE
•
Always connect the earth potential to pin 4
of the operating voltage connection.
•
Connect the earth cable of the left-hand end
plate to the earth potential with low im-
pedance (short cable with large diameter).
•
By means of low impedance connections,
make sure that the housing of the valve
terminal and the earth connection at pin 4
have the same potential and that there are
no equalizing currents.
You can thereby avoid interference due to
electromagnetic influences.
VIFB6 - 03/05 3. Installation
3-34
9809c
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