VEGA VEGACAL 66 4 … 20 mA_HART - two-wire - Manual (Page 28)

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6 Set up with the display and adjustment module PLICSCOM
VEGACAL 66 • 4 … 20 mA/HART - two-wire
30036-EN-130917
Damping
0 s
Enter the requested parameters via the appropriate keys, save your
settings and jump to the next menu item with the [->] key.
A linearisation is necessary for all vessels in which the vessel volume
does not increase linearly with the level - e.g. in a horizontal cylindri-
cal or spherical tank - and the indication or output of the volume is
required. Corresponding linearisation curves are preprogrammed for
these vessels. They represent the correlation between the level per-
centage and vessel volume. By activating the appropriate curve, the
volume percentage of the vessel is displayed correctly. If the volume
should not be displayed in percent but e.g. in l or kg, a scaling can be
also set in the menu item "Display".
Linearization curve
Linear
Enter the requested parameters via the appropriate keys, save your
settings and jump to the next menu item with the [->] key.
Caution:
Note the following if the VEGACAL 66 with corresponding approval is
used as part of an overfill protection system according to WHG (Water
Resources Act):
If a linearization curve is selected, the measuring signal is no longer
necessarily linear to the filling height. This must be considered by the
user especially when adjusting the switching point on the limit signal
transmitter.
In this menu item you can enter an unambiguous designation for the
sensor, e.g. the measurement loop name or the tank or product des-
ignation. In digital systems and in the documentation of larger plants,
a singular designation should be entered for exact identification of
individual measuring points.
Sensor-TAG
Sensor
With this menu item, the Basic adjustment is finished and you can
now jump to the main menu with the [ESC] key.
Additional adjustment and diagnosis options such as e.g. scaling,
simulation or trend curve presentation are shown in the following
menu schematic. You will find a detailed description of these menu
items in the operating instructions manual "Display and adjustment
module".
Linearization curve
Sensor-TAG
Optional settings