Siemens SITRANS LG250 Operating Instructions Manual page 43

Guided wave radar 4...20 ma/hart - two-wire rod and cable probe with sil qualification

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Setup - Current output

mode

Setup - Current output

Min./Max.

Setup - Current output 2

Setup - HART variables

(1)

PBD-51041388

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

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

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

< 3.6 mA.

In the menu item "Current output Min./Max.", you determine the reac-

tion of the current output during operation.

The default setting is min. current 3.8 mA and max. current 20.5 mA.

If a supplementary electronics with an additional current output is

implemented in the instrument, you can adjust the additional current

output separately.

In menu item"Current output 2" you specify which measured value

the additional current output refers to.

The additional current output cannot be used as an output in the

sense of a safety-instrumented application (SIL).

The procedure corresponds to the previous settings of the standard

current output. See "Setup - Current output".

Since the HART variables are very extensive, the indication was

divided into two menu items.

SITRANS LG250 - Operating Instructions

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