VEGA Capacitive electrodes EL … - Manual (Page 30)

30 Capacitive electrodes EL …
Electrical connection
3 Electrical connection
3.1 Connection instructions
Note
Switch off the power supply before starting
connection work.
The electrical connection must be carried out
dependent on the integral oscillator. The inte-
gral oscillator is stated on the type plate on the
oscillator. Connect the supply voltage acc. to
the following connection diagrams.
Note
If strong electromagnetic interferences have to
be expected, we recommend to use screened
cable. The screening of the cable should only
be earthed at one sensor end (electrode).
Generally connect the electrode with vessel
ground (PA). For this purpose there is a
terminal laterally on the housing. This
connection is additionally for the mass
reference potential as well as to drain off
electrostatic charges.
1 Housing cover
2 Seal ring
3 Oscillator
4 Cellular rubber seal
5 Socket plate
6 Cable entry
7 Test switch (option)
8 Earth terminal
9 Electrode
10 Isolation
11 Mechanical connection
12 Housing
13 Changeover switch
14 Overvoltage protection module (option)
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