Patent · US Expired

Interface to a programmable logic controller

US6853867B1 · kind B1 · utility

78Cited by
91References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1998
Grant dateFeb 8, 2005
Priority date
Expiry dateDec 30, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/32126
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

An apparatus is provided for accessing, controlling and monitoring a programable logic controller with a network client having a conventional web browser. The apparatus includes an archive, an interface, and a library. The archive provides for compiling an application written in code supported by the web browser. The interface is responsive to the application for establishing a connection between the controller and the network client. Further, the library is responsive to the application for supporting communication between the controller and the network client upon establishing a connection therebetween.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.