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Programmable controller system

  • US 20020198970A1
  • Filed: 04/25/2002
  • Published: 12/26/2002
  • Est. Priority Date: 04/27/2001
  • Status: Abandoned Application
First Claim
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1. A programmable controller system comprising:

  • a plurality of programmable controllers including a first controller and a second controller, each of said plurality of programmable controllers storing one or more program blocks and executing said program blocks selectively and individually by switching between an active condition and a stopped condition; and

    communication means through which said programmable controllers transmit and receive data among said programmable controllers;

    said first controller having command issuing means for issuing a command to carry out a specified operation on a specified program block of said second controller;

    said second controller having operating means for carrying out said specified operation in response to said command received from said first controller.

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