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Industrial field controlling device with controller and expansion modules

  • US 6,008,985 A
  • Filed: 10/04/1996
  • Issued: 12/28/1999
  • Est. Priority Date: 11/20/1995
  • Status: Expired due to Term
First Claim
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1. An expandable field controller, comprising:

  • a housing, including at least one removable side cover to facilitate expansion, and a DIN rail mount adapted to mount the housing on a DIN rail and to provide a ground connection;

    a ground bus within said housing electrically coupled to the DIN rail mount;

    a processor within the housing;

    a peripheral connector within the housing that is electrically coupled to the processor for receiving a PCMCIA card;

    an expansion connector on a head board within the housing adapted to receive a mating expansion connector on an expansion board which includes at least one more peripheral connector adapted to receive at least one more PCMCIA card, wherein the peripheral connector, the expansion connector, the primary housing, and the at least one removable side cover are oriented orthogonal to a mounting plane provided by said DIN rail.

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