button

Discussion in 'The Projects Forum' started by theanih, Nov 16, 2010.

  1. theanih

    Thread Starter New Member

    Oct 3, 2010
    21
    0
    when button 1 is closed, does this circuit enable relay 1,2 and 3 to keep functioning even if the button 1 is opened after that?
     
  2. JDT

    Well-Known Member

    Feb 12, 2009
    658
    85
    Well, this is a strange looking circuit!
    Basically, the answer is yes.

    A few comments:-
    Don't know what the earth connections on B are doing.
    Pressing microswitch MS1 will de-energise all the relays (good).

    Have to say, this seems a complicated way of achieving a simple task!
     
    theanih likes this.
  3. theanih

    Thread Starter New Member

    Oct 3, 2010
    21
    0
    ok thanks for your comments.
    appreciate it.
     
  4. theanih

    Thread Starter New Member

    Oct 3, 2010
    21
    0
    the earth on B is just for self eye appeal. i hate to see ends hanging on its own. haha. sorry about that.

    i was trying to make a button for an elevator system. i tried to find a specific button which has the function like the circuit but still haven't found any. so i just decided to make one with similar functions as i have a lot of relays in my storage.
     
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