Patent · US Expired

Method for using portable wireless devices to monitor industrial controllers

US6965802B2 · kind B2 · utility

100Cited by
17References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 6, 2000
Grant dateNov 15, 2005
Priority date
Expiry dateJul 1, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/31195
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A system and method for controlling and monitoring an industrial controller using a portable wireless device. The system includes a programmable logic controller (PLC), a local server for exchanging communication with the PLC, a Internet Service Provider (ISP) server for exchanging communication with the local server using the Internet, and a wireless user communication device for exchanging communication with the ISP server. A user utilizes the Internet to monitor the operation of the PLC and input control commands to the PLC using the wireless user communication device.

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