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Method for compensating for an error function of a field device in an automation technology system

A technology of automation technology and field equipment, which is applied in the field of error function compensation of field equipment in the automation technology system, and can solve problems such as high cost and time investment

Pending Publication Date: 2021-02-19
恩德莱斯和豪瑟尔过程解决方案公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Failure of equipment in the field can sometimes mean high cost and time investment

Method used

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  • Method for compensating for an error function of a field device in an automation technology system
  • Method for compensating for an error function of a field device in an automation technology system
  • Method for compensating for an error function of a field device in an automation technology system

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Embodiment Construction

[0033]figure 1 The various parts of the automation technology system A are shown. Specifically, it shows two measurement points MS1, MS2. They respectively consist of a storage tank and a pipeline that drains from the storage tank. In order to measure the liquid level of the storage tank as a process variable, the field devices FG1, FG4 (for example, by means of a radar as a level gauge of the sensor units SE1, SE4) are attached to the storage tank, respectively. In order to measure the flow velocity in the pipeline, field devices FG3 and FG5 are attached respectively, and its sensor units SE3 and SE5 determine the flow velocity of the medium flowing through the pipeline as the main process variable according to the Coriolis principle. Each field device FG3, FG5 also has a temperature sensor SE3', SE5' as another sensor unit, which detects the temperature of the medium flowing through the pipeline as an auxiliary process variable. In addition, another field device FG2 is attached to...

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Abstract

The invention relates to a method for compensating for an error function of a field device (FG1-5) of a plurality of field devices (FG1-5), wherein each of the field devices (FG1-5) has a sensor unit(SE1-5, SE3', SE5') which is designed for collecting a process variable, comprising the steps of: transferring properties of the sensor unit (SE1-5') of a field device (FG1-5) to each of the other field devices (FG1-5), wherein the properties contain information relating to the which type of process variables that can be collected by the sensor unit (SE1-5'); transferring the device status of thefield devices (FG1-5) and / or the sensor units (SE1-5') to each of the other field devices (FG1-5); establishing a substitution system (ES), wherein the properties of each of the sensor units (SE1-5')and the device status of each of the field devices (FG1-5) and / or of each of the sensor units (SE1-5') are known to each of the field devices (FG1-5), and wherein the field devices (FH1-5) independently determine which process variable of a sensor unit (SE1-5') can substitute a process variable of another sensor unit (SE1-5') as a substitute variable with a predetermined degree of accuracy; and transferring the substitute value variable to the higher-level unit (GW, SPS) in the event that at least one predetermined device status of a field device (FG1-5) or a sensor unit (SE1-5') arises.

Description

Technical field[0001]The present invention relates to a method for compensating the error function of field devices in an automation technology system, wherein a plurality of field devices are provided in the system, wherein each field device has at least one sensor unit, and the sensor unit is Designed to collect at least one process variable, wherein the field device is integrated in the first communication network and communicates with the upper unit, and wherein the field device transmits the collected process value, diagnostic data and status information to the The superior unit.Background technique[0002]Field devices used in industrial automation technology systems are known from the prior art. Field devices are commonly used in process automation and manufacturing automation. Generally, field devices refer to all devices that are process-oriented and provide or process process-related information. Therefore, field devices are used to detect and / or influence process variables....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/0237G05B23/0297G05B2219/25428G01D21/00G05B19/05G05B2219/25011
Inventor 埃里克·比格尔马库斯·基利安拉尔夫·施密特莱因哈德·布彻勒
Owner 恩德莱斯和豪瑟尔过程解决方案公司
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