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Field device with display unit and method for operating the display unit

A field device and display unit technology, applied in general control systems, program control, instruments, etc., can solve problems such as inability to visualize information

Active Publication Date: 2014-10-29
ENDRESS HAUSER FLOWTEC AG +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this process related information is quite device dependent and thus such information from different device sources cannot be directly visualized on a display unit such as a handheld display unit

Method used

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  • Field device with display unit and method for operating the display unit
  • Field device with display unit and method for operating the display unit
  • Field device with display unit and method for operating the display unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] figure 1 The display unit A and the field device electronics FE are shown connected to one another via a cable K.

[0051] The display unit A comprises a screen B and three operating elements T. Screen B may be a liquid crystal display. The operating element T can be, for example, a button or a keyboard key.

[0052] The display unit A is connected to the field device electronics FE via a cable K connected to the communication interface I / O of the field device electronics FE. However, instead of this cable, another type of connection can be provided between the field device electronics and the display unit.

[0053] In this case, the display server SDI server is executed by the field device electronics FE, and the display server SDI server can operate a plurality of display units A having different hardware characteristics. At this point, the text information is made available to the display server SDI server. The display server SDI server transmits this text infor...

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PUM

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Abstract

A method for operating a display unit, which is a component of a field device of process automation technology or is connectable to such a field device, The method includes: invoking a function of a display electronics associated with the display unit by a field device electronics associated with the field device, which function serves for visualizing textual information on the display unit; performing the function by the display electronics, wherein the performing of the function includes receiving textual information from the field device electronics, wherein the textual information is essentially free of composition information relevant to the visualizing of the textual information; and visualizing the transmitted textual information on the display unit based on a display schema stored, especially completely stored, in the display electronics of the display unit, which display schema contains composition information, especially in the form of layouts and / or fonts.

Description

technical field [0001] The invention relates to a method for operating a display unit which is a component of a field device of process automation technology or which can be connected to such a field device. [0002] Furthermore, the invention relates to a field device of process automation technology having a display unit which is a component or a connection or connectable to the field device. Background technique [0003] In process and / or automation technology, field devices are frequently used which serve to record and / or influence process variables. Examples of such field devices are fill level measuring devices, mass flow measuring devices, pressure and temperature measuring devices, etc., which record as sensors the corresponding process variable fill level, flow, pressure or temperature. [0004] These field devices often have an on-site display unit for visualizing measured values ​​and / or device-specific settings such as parameters. Frequently, such an on-site di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/409
CPCG05B2219/36136G05B19/409G05B2219/31132
Inventor 尼古拉·芬克贝尔特·冯施泰因霍尔格·塞金阿莱恩·肖米克马蒂亚斯·布鲁德曼托马斯·哈特曼艾尔玛·霍夫施米德马蒂厄·魏伯尔
Owner ENDRESS HAUSER FLOWTEC AG