VEGA VEGAFLEX 67 (-40…+150°C PFA insulated) Foundation Fieldbus - Manual (Page 25)

Dielectric value
Upper medium
000
3 Enter the dielectric figure (DK value) of the upper medium and
confirm with [OK].
Save the settings with [OK] and move to "Min. adjustment" with [-
>
] .
Min. adjustment
0 .00 %
=
10 .000 m(d)
8.000 m(d)
4 Prepare the % value for editing with [OK] and set the cursor to the
requested position with [->]. Set the requested percentage value
with [+] and save with [OK]. The cursor jumps now to the distance
value.
5 Enter the suitable distance value in m for the empty vessel (e.g.
distance from the sensor to the vessel bottom) corresponding to
the percentage value.
6 Save the settings with [OK] and move to "Max. adjustment" with [-
>
] .
Proceed as follows:
Max. adjustment
100 .00 %
=
1 .000 m(d)
2.000 m(d)
1 Prepare the % value for editing with [OK] and set the cursor to the
requested position with [->]. Set the requested percentage value
with [+] and save with [OK]. The cursor jumps now to the distance
value.
2 Enter the appropriate distance value in m (corresponding to the
percentage value) for the full vessel. Keep in mind that the max.
level must lie below the dead band.
3 Save the settings with [OK].
Each product has different reflective properties. In addition, there are
various interfering factors which have to be taken into account:
agitated product surfaces and foam generation (with liquids); dust
generation, material cones and echoes from the vessel wall (with
solids). To adapt the sensor to these different conditions, you should
first select in this menu item under "Medium" either "Liquid" or "Solid".
Carry out max. adjust-
ment
Application
VEGAFLEX 67 • Foundation Fieldbus 25
6 Set up with the indicating and adjustment module PLICSCOM
32306
-
EN
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