Siemens SITRANS LG240 Operating Instructions Manual page 35

Guided wave radar, 4…20 ma/hart - two-wire polished rod probe

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Setup - Current output,

mode

PBD-51041038

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. 21: Vessel height and socket correction value

D Vessel height

+h Positive socket correction value

-h Negative socket correction value

In the menu item "Current output mode" you determine the output

characteristics and reaction of the current output in case of fault.

The default setting is output characteristics 4 ... 20 mA, fault mode

< 3.6 mA.

SITRANS LG240 - Operating Instructions

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