System for acquiring data from a facility and method

G - Physics – 06 – F

Patent

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Details

G06F 17/40 (2006.01) G01D 9/00 (2006.01) G01D 21/02 (2006.01) G06F 17/30 (2006.01) G08C 19/00 (2006.01) H04L 12/16 (2006.01)

Patent

CA 2408901

A field instrument and system for obtaining pressure, flow and temperature data from a facility. The field instrument includes an enclosure having an opening therein. An integrated analog sensor is sealingly contained within the opening. The field instrument further contains an external analog sensor. An analog to digital converter converts the analog signals to digital readings. An external digital sensor is also provided, with the digital output being communicated through a second opening within the enclosure. A control member that receives, stores and processes the digital readings is positioned within the enclosure. A communication module is included to transmit the digital readings to a remote computer. The communication module allows for two way communication between the field instrument and remote computer. The remote computer may be a server that allows for access by many users. The communication module also allows for locally accessing the digital readings via a serial port to a local terminal.

Il s'agit d'un appareillage et d'un système de surveillance pour obtenir des données de pression, de débit et de température d'une installation. Cet appareillage comprend une enceinte présentant une ouverture. Un capteur analogique intégré est scellé dans l'ouverture. Ledit appareillage comprend de plus un capteur analogique extérieur. Un convertisseur analogique-numérique convertit les signaux analogiques en lectures numériques. Un capteur numérique extérieur est aussi fourni, sa lecture numérique étant communiquée à travers une seconde ouverture pratiquée dans l'enceinte. Un élément de gestion qui reçoit, mémorise et traite les lectures numériques est placé à l'intérieur de l'enceinte. Un module de communication est inclus pour transmettre les lectures numériques à un ordinateur éloigné. Ce module de communication assure une communication bilatérale entre l'appareillage de surveillance et l'ordinateur éloigné. Cet ordinateur éloigné peut être un serveur qui permet l'accès à de nombreux utilisateurs. Le module de communication assure aussi l'accès local aux lectures numériques par un port série à un terminal local.

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