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I/O interface rack for solid state control system

  • US 4,152,750 A
  • Filed: 04/27/1978
  • Issued: 05/01/1979
  • Est. Priority Date: 04/25/1977
  • Status: Expired due to Term
First Claim
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1. An I/O interface rack for coupling a control system processor to a set of wires connected to a controlled machine, the combination comprising:

  • a pair of side plates disposed in spaced apart, substantially parallel relationship to one another;

    a mother board connected to each of said side plates and disposed therebetween, said mother board supporting first and second sets of electrically conductive paths disposed on its surface;

    a module mounting bar connected to each of said side plates and disposed therebetween to one side of said mother board;

    a plurality of edge connectors mounted to said mother board and disposed on said one side thereof, said edge connectors being spaced apart along the length of said module mounting bar, and each making electrical connection with said first and second sets of conductive paths on said mother board;

    a plurality of I/O modules, each of which is received by one of said edge connectors to make electrical connection with said control system processor through said first set of conductive paths and to make electrical connection with said second set of conductive paths and each is fastened to said module mounting bar; and

    a terminal block mounted along one edge of the mother board and disposed on said one side thereof, said terminal block including a plurality of wire terminals which are electrically connected to the I/O modules solely through said second set of conductive paths on said mother board and which are suitable for manual connection to said wires.

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