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Programmable controller with intelligent positioning I/O modules

  • US 4,510,565 A
  • Filed: 09/20/1982
  • Issued: 04/09/1985
  • Est. Priority Date: 09/20/1982
  • Status: Expired due to Term
First Claim
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1. An electrical controller for controlling machine motion through a plurality of electromechanical I/O positioning devices, the controller comprising:

  • a plurality of I/O circuits each connectable to a respective I/O positioning device to generate output drive signals thereto in response to move data, and to transmit a move request signal when move data is needed;

    main processing means for storing and transmitting (i) user-selectable parameter data, including a user-selected mode of axis coupling designating coupled I/O circuits and independent I/O circuits and (ii) user-selectable move data, including coupled move data applicable to coupled I/O circuits and independent move data applicable to independent I/O circuits; and

    master I/O processing means coupled to the main processing means for receiving the parameter data and the move data, and coupled to the I/O circuits for receiving move request slgnals, the master I/O processing means being responsive to the parameter data from the main processing means and to move request signals from any coupled I/O circuits to receive coupled move data in a single transmission from the main processing means and to distribute portions of the coupled move data to each of the coupled I/O circuits, the master I/O processing means also being responsive to the parameter data from the main processing means and to move request signals from any independent I/O circuits to receive independent move data in a separate transmission from the main processing means and to couple the independent move data to the independent I/O circuit associated with that separate transmission.

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