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Device and method for determining and/or monitoring a process variable of a medium

A medium and equipment technology, applied in the field of chemical or physical process equipment, which can solve problems such as hidden dangers

Active Publication Date: 2008-09-03
EHNDRESS KHAUZER GMBKH KO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case of dry running protection, the control / analyzing unit can react to such a report, which will be interpreted by the control / analyzing unit as, for example, underfill level with the supply valve open, since the maximum fill level has been reached, So this would have major risks

Method used

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  • Device and method for determining and/or monitoring a process variable of a medium
  • Device and method for determining and/or monitoring a process variable of a medium

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Experimental program
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Embodiment Construction

[0021] figure 1 A block diagram of the device is shown. In the example shown, some components of the invention have been integrated in the meter. The measurement unit 1 includes a task identification unit 3 , an allocation unit 5 and an encoding unit 8 . For example, tasks such as overflow protection are assigned to the measuring units via the connecting lines. This task is identified by the task identification unit 3 and a corresponding request / command is sent to the allocation unit 5 . Assign tasks to encoding there. With a suitable encoding, the encoding unit 8 then becomes active for encoding the output signal of the measuring unit 1 with this encoding. In this way, the output signal of the measurement unit 1 carries information about which task the measurement unit 1 has to perform. With this information, it is also reported how the output signal is to be translated. The task identification unit 3, the assignment unit 5 and the encoding unit 8 can be integrated, for...

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PUM

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Abstract

The invention relates to a device and a method for determining and / or monitoring a process variable of a medium. Said device comprises a measuring unit (1) which produces a first output signal, and a control / evaluation unit (2) which further processes the first output signal of the measuring unit (1). According to the invention, a measuring unit (1) is associated with a first task, the control / evaluation unit (2) is associated with a second task. The device comprises at least one first (3) and one second task identification unit (4) and a first (5) and a second co-ordination unit (6) which are used to give a code to the tasks. The device also comprises a comparison unit (7) which connects the measuring unit (1) and the control / evaluation unit (2), and which compares the first code with the second code.

Description

technical field [0001] The invention relates to a device for determining and / or monitoring a chemical or physical process quantity of a medium in a container. The device comprises a measuring unit which generates a first output signal and a control / evaluation unit which further processes the first output signal of the measuring unit. Furthermore, the invention relates to a corresponding method. The process variable can be, for example, the fill level, density, viscosity, pressure, pH value or temperature of the medium. Background technique [0002] A level measuring device, such as that available from the Applicant, is used, for example, to monitor that a predetermined limit level is not exceeded or falls below. They are then used to protect against overflow or dry run. In the first case, the substance must be prevented from escaping and thus polluting the environment, for example. In another case, emptying of the container must be prevented, for example to prevent overh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D3/08G01F23/22G01D1/00G01D1/18G01F23/00G01F23/296G01N33/00G05B9/00H05K10/00
CPCG01F23/2966
Inventor 亚历山大·穆勒克里斯托夫·龙普夫
Owner EHNDRESS KHAUZER GMBKH KO KG