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Homework Help: Boolean Expression for Relay Contacts and Lamp

  1. Jan 27, 2017 #1
    1. The problem statement, all variables and given/known data
    In the diagram, Y006 is a lamp, and X & R references are relay contacts. Write down a Boolean expression for the lamp to light.


    2. Relevant equations

    3. The attempt at a solution
    This is what I have done as an interim step to help me visualise whats going on:


    This is the final answer


    Is this correct?

  2. jcsd
  3. Jan 27, 2017 #2
    That is it!
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