Siemens SITRANS LG260 Operating Instructions Manual page 28

Warning:
If a linearisation curve is selected, the measuring signal is no longer
necessarily linear to the filling height. This must be considered by the
user especially when setting the switching point on the limit signal
transmitter.
In the following, you have to enter the values for your vessel, for
example the vessel height and the socket correction.
For non-linear vessel forms, enter the vessel height and the socket
correction.
For the vessel height, you have to enter the total height of the vessel.
For the socket correction you have to enter the height of the socket
above the upper edge of the vessel. If the socket is lower than the up-
per edge of the vessel, this value can also be negative.
Fig. 15: Vessel height and socket correction value
D Vessel height
+h Positive socket correction value
-h Negative socket correction value
Lock/Unlock adjustment In the menu item "Lock/unlock adjustment", you can protect the sen-
sor parameters against unauthorized or inadvertent modification. The
PIN is activated/deactivated permanently.
With active PIN, only the following adjustment functions are possible
without entering a PIN:
•
Select menu items and show data
28 SITRANS LG260 - Operating Instructions PBD-51041061