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Local power switching control subsystem

  • US 4,663,539 A
  • Filed: 11/29/1984
  • Issued: 05/05/1987
  • Est. Priority Date: 11/29/1984
  • Status: Expired due to Term
First Claim
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1. In a network connecting a plurality of digital modules where each digital module has its own local independent AC power source which is controllably supplied to a plurality of DC power modules also locally situated in each digital module, a local power control switching system in each of said digital modules comprising:

  • a local primary source of AC power;

    a plurality of local DC power units energized by said AC power source under control of a local power control switching circuit means;

    said local power control switching circuit means including;

    means to control the connection or disconnection of said primary AC power source to each of said local DC power units;

    means to sequence the power-on connection or power-off disconnection to said local DC power units in a predetermined sequence;

    means to sense selected operating parameters in each of said digital modules and to generate a status signal for each parameter;

    operator switching means for enabling local power control from a local operator or a remote control unit.

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