AKD 2800
Installation
■ Electrical installation, control cables
Control cables must be screened/armoured. The
screen must be connected to the frequency converter
chassis by means of a clamp. Normally, the screen
must also be connected to the chassis of the
controlling unit (use the instructions for the unit in
question). In connection with very long control cables
and analogue signals, in rare cases depending on
the installation, 50/60 Hz earth loops may occur
because of noise transmitted from mains supply
cables. In this connection, it may be necessary to
break the screen and possibly insert a 100 nF capacitor
between the screen and the chassis.
MG.28.H2.02 -
55
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