Siemens SITRANS LG250 Operating Instructions Manual page 76

Guided wave radar, foundation fieldbus coax probe

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Fig. 42: Schematic presentation function block Signal Characterizer

Function block Integrator

The function block "Integrator" integrates a continuous input signal over the time and sums the

results of an impulse input block. It is used as a totalizer up to a reset or as a subtotalizer up to a

reference point at which the integrated and accumulated value is compared with the default values.

When these default values are reached, digital output signals will be outputted. The integration func-

tion is carried out upwardly starting with zero and downwards with a default value. Two flow values

are also available so that the net flow volume can be calculated and integrated. This can be used for

calculation of volume and mass changes in the vessel or for optimisation of flow controls.

SITRANS LG250 - Operating Instructions

PBD-51041056

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