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Thread: Programmable Logic Controllers

  1. #21
    Join Date
    Apr 2007
    Location
    Huntington Beach, CA (19 Hrs. 22 Min. from Winged Horses)
    Posts
    6,314
    Quote Originally Posted by myspark View Post
    This is one of those left over hardware during my active days (I'm retired) providing services for the aerospace industries.
    Machine shops around the LA area were heavily involved in providing parts and support for the space shuttle program at the time.
    i was working in machine shops during that time, making parts for
    the shuttle. back then, they had paper tape readers, and some people
    were going for the cutting edge..... a digital machine control system. whoot!

    it is astounding what has transpired since then.
    ~New signature under construction.~
    ~~~~Please excuse the mess.~~~~

  2. #22
    Join Date
    Jan 2016
    Location
    PA
    Posts
    4,530
    plc simulator program
    http://www.thelearningpit.com/plc/psim/psim.html
    search around, there are others



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