Vega VEGABAR 14 Bedienungsanleitung PDF herunterladen (Seite 12)

Warning:

Within galvan

ic plants as well as vessels with cathodic corrosion

protection there are considerable potential diﬀerences. Considerably

equalisation currents can be caused via the cable scrren when the

screen is earthed on b oth ends. To avoid this, the cable screen must

only connected to ground potential on one side of the switching

cabinet in such applications. The cable screen must not be connected

to the internal ground terminal in the sensor and the outer ground

terminal on the housing not to the potential equalisation!

Information:

The

metal parts of the instrument (antenna, transmitter, concentric

tube, etc.) are conductive connected with the inner and outer ground

terminal on the housing. This connection exists either directly metallic

or with instruments with external electronics via the screen of the

special connection cable. You can ﬁnd speciﬁcations to the potential

connections within the instrument in chapter "Technical data".

Take note of the corresponding installation regulations for Ex

appl

ications.

5.2 Connection procedure

Proceed as follows:

1 Loosen the screw on the rear of the plug connector

2 Remove the plug connector and seal from VEGABAR 14

3 Remove the plug insert out of the plug housing

Fig. 3: Loosen the plug

insert

1 Cable gland

2 Plug insert

3 Plug housing

4 Remove approx. 5 cm of the cable mantle, strip approx. 1 cm

insulation from the individual wires

5 Lead the cable through the cable gland into the plug housing

6 Connect the wire ends to the screw terminals according to the

wiring plan

Select connec-

tion cable

for Ex

applications

Connection via angle

plug connec

tor

12 VEGABAR 14

5 Connecting to power supply

22441-EN-111006

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 24 25

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