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Base station for collecting data from local sensors

A sensor and base station technology, applied in the field of process control systems, can solve impractical problems

Active Publication Date: 2022-07-08
FISHER CONTROLS INT LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, using multiple instruments to relay data in this manner is impractical in areas where instrumentation is not required

Method used

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  • Base station for collecting data from local sensors
  • Base station for collecting data from local sensors
  • Base station for collecting data from local sensors

Examples

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Embodiment Construction

[0014] The apparatus and methods described herein can be used in process control systems to collect data related to instruments such as valves, for which it is otherwise impractical to obtain data using known methods. More specifically, the apparatus and methods described herein enable data acquisition from process control instruments and field devices by integrating sensors capable of wireless communication with the instruments and field devices. In certain examples described herein, one or more sensors may collect data and transmit data (eg, pressure data, temperature data, data indicating the status of valves, etc.) to a base station capable of storing the data and sending data to the DCS send data. The base station may be operatively coupled to field devices (eg, controllers, positioners, etc.), which may have been hardwired to the DCS, thereby enabling the base station to relay data collected by multiple sensors to the DCS. The data can then be accessed via the operator ...

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Abstract

A base station for collecting data from local sensors is described. An exemplary apparatus includes a sensor operatively coupled to a field device, the sensor having a radio frequency transmitter for transmitting signals to a base station, the base station having a radio frequency interface for receiving signals from the sensor and for acquiring data from the signals and applying the data A first controller stored in memory. The apparatus also includes a second controller operatively coupled to the first controller to relay data to the asset management system and a local control panel operatively coupled to the base station to transmit additional data to the base station, wherein the first controller Store additional data in memory.

Description

technical field [0001] The present disclosure relates generally to process control systems and, more particularly, to base stations for collecting data from local sensors. Background technique [0002] Process control systems typically include one or more process controllers communicatively coupled to one or more field devices via an analog, digital, or combined analog / digital bus. Information from field devices and / or controllers is typically transmitted over a data highway or communication network (eg, the HART protocol) to devices such as operator workstations. These devices enable operators to perform various functions, including viewing the current state of the process of the process control system. [0003] Traditionally, each instrument from which data is collected is individually wired to a distributed control system (DCS). Wiring costs can be several thousand dollars per instrument. In addition to the cost of the wiring involved (which can be substantial), the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418H04B7/155H04W88/08H04W4/80
CPCG05B19/41845H04B7/155H04W88/08G05B2219/33273G01D9/00H04W4/80H04W52/0219H04B5/73H04B5/77G08C17/00H04B5/00G06F13/385G06Q10/00H04W84/18
Inventor K·W·江克A·L·拉特维森
Owner FISHER CONTROLS INT LLC