Field maintenance tool with improved device description communication and storage

A technology for equipment description and maintenance tools, which is applied in the direction of comprehensive factory control, comprehensive factory control, signal transmission system, etc., and can solve problems such as defects

Inactive Publication Date: 2004-12-01
FISHER-ROSEMOUNT SYST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While satisfactory in the past, this approach has created flaws for newer intrinsically safe field maintenance tools

Method used

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  • Field maintenance tool with improved device description communication and storage
  • Field maintenance tool with improved device description communication and storage
  • Field maintenance tool with improved device description communication and storage

Examples

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Embodiment Construction

[0015] An improved field maintenance tool is used to maintain two-wire and four-wire (ie, external power) field devices using one or more process measurement and control protocols. Configuration and calibration are preferably supported by DDL techniques. DDL technology is well known and additional reading on Device Description Language can be found in US Patent 5,960,214 to Sharp Jr. et al.

[0016] figure 1 A typical system in which embodiments of the invention are useful is shown. System 10 includes controller 12 , I / O and control subsystem 14 , intrinsically safe (IS) barrier 16 , process communication loop 18 , and field devices 20 . Controller 12 is connected to I / O and control subsystem 14 by link 21, which may be any suitable link such as a local area network (LAN) operating according to an Ethernet signal control protocol or any other suitable protocol. I / O and control subsystem 14 is connected to intrinsically safe barrier 16, which in turn is connected to process ...

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PUM

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Abstract

Improved methods for transferring Device Description data to handheld field maintenance tools are provided. Aspects of the invention include transmitting the Device Description information wirelessly, such as through an infrared data access port, to the handheld field maintenance tool. Embodiments of the invention also include storing and maintaining two or more Device Description binary files within the handheld field maintenance tool. In this manner, updates can be transferred to the handheld field maintenance device, preferably wirelessly, in significantly less time than would be required if all Device Description binary information were in a single file.

Description

technical field [0001] The present invention relates to a field maintenance tool with improved device description communication and storage. Background technique [0002] Intrinsically safe field maintenance tools are known. Such tools are particularly useful in the process control and measurement industries to allow operators to conveniently communicate with and / or interrogate field devices in a given process installation. Examples of such process installations include: petroleum, pharmaceutical, chemical, pulp and other process installations. In such installations, process control and measurement networks may include dozens or even hundreds of various field devices that periodically require maintenance to ensure proper operation of such devices and / or to calibration. Furthermore, when one or more faults in a process control and measurement installation are detected, the use of an intrinsically safe handheld field maintenance tool enables a technician to quickly diagnose...

Claims

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Application Information

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IPC IPC(8): G05B15/02G05B19/042G05B19/4065G05B19/418G05B23/02G06F13/10G08C23/04
CPCG05B2219/31334G05B2219/36159G05B19/4065G05B2219/32226G05B19/409G05B2219/34481G05B19/0426Y02P90/02
Inventor 克里斯托弗·P·坎茨格雷戈里·J·奥菲姆本杰明·P·霍根马丁·杰林斯基
Owner FISHER-ROSEMOUNT SYST INC
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