Radio module for field appliances used in automation systems

A technology of automation technology and field equipment, applied in the field of radio modules, which can solve the problems of complex and expensive sensors

Inactive Publication Date: 2007-04-25
ENDRESSHAUSER PROCESS SOLUTIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The sensors (field devices) being developed for radio networks are complex and expensive

Method used

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  • Radio module for field appliances used in automation systems
  • Radio module for field appliances used in automation systems

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Embodiment Construction

[0024] FIG. 1 shows a first radio network with a plurality of field devices F1 , F2 , F3 , F4 . . . . The dashed lines show the individual radio connections RC of the field devices to each other or to the gateway G. The gateway G can be a remote transmission unit (for example the product "Fieldgate" from the company Endress+Hauser), which communicates via radio with the individual field devices. By means of the remote transmission unit G, in principle, worldwide communication to superordinated units is possible, for example via the Internet, GSM or a fixed network. In this way, the measured values ​​of the individual field devices can be transmitted to any location worldwide and analyzed there.

[0025] The field device shown may be, for example, a flow measuring instrument installed in a storage vessel for crude oil or grain. The filling level of such a storage container can then be monitored and controlled remotely.

[0026] As can be seen in FIG. 1 , the field devices ar...

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Abstract

A radio module FM for field appliances used in automation systems can be connected to a field appliance e.g. F1 by means of a field appliance interface. The inventive radio module FM comprises a microcontroller Mu C for function control, a radio unit RF for data communication with a higher ranking unit, and an energy supply unit EVS. Conventional field appliances can be easily fitted with one such radio module FM to form radio field appliances, and can thus also be used in radio networks.

Description

technical field [0001] The invention relates to a radio module for an automation technology field device, as stated in the preamble of claim 1 . Background technique [0002] Field devices are widely used in automation technology to detect measured values ​​such as pressure, temperature or flow at process elements. Usually, the measured values ​​are forwarded to a superordinated unit, such as a control unit or system, where they can be further processed or displayed. [0003] In addition to data transmission from the field device to the receiver, data transmission to the field device is also required, eg for setting or configuration or parameterization data. Via correspondingly selected parameters (unit of measure, limit values, etc.), the field device can be adapted to the specific measuring task. [0004] Data transmission between field devices and superordinated units often takes place via fieldbus systems (Hart, Profibus or Foundation Fieldbus) with corresponding cable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418G05B19/042G05B23/02H04L12/56
CPCG05B19/042G05B2219/25289H04W84/18G05B2219/25428G05B2219/25187
Inventor 克里斯蒂安·塞勒赖因哈德·格里楚托尔斯滕·施普林曼
Owner ENDRESSHAUSER PROCESS SOLUTIONS
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