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PLC with web-accessible program development software

  • US 8,131,827 B2
  • Filed: 09/28/2001
  • Issued: 03/06/2012
  • Est. Priority Date: 05/09/2001
  • Status: Active Grant
First Claim
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1. An industrial control system for controlling an industrial process comprising:

  • a plurality of I/O devices capable of exchanging signals with the industrial process;

    a web access module including a web server coupled to a programmable logic control (PLC), wherein the web server is capable of being coupled to at least one remote device via the Internet, and wherein the PLC is coupled to the I/O devices to execute a controller program to control the industrial process using the signals;

    wherein the web access module further includes program development software including programming software that can be utilized to generate or modify the controller program for at least one of the PLC and one of the I/O devices, andwherein the web server is capable of providing the programming software onto the Internet for transmission to the remote device, so that the remote device is able to generate or modify the controller program.

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