Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Control system car park system

  1. Aug 26, 2012 #1
    1. The problem statement, all variables and given/known data
    A car park has 5 parking slots. When the fifth car enter the car park, a red light notification will turn on indicate the car park is full.
    When the car park cars decrease from 5 to 4, the red light is distinguished.

    2. Relevant equations

    3. The attempt at a solution
    I set the counter to 5, but it's not working.
    The lamp will only turn on when there is the sixth car entered.
    Help guys!! Please refer to the attached picture

    Attached Files:

  2. jcsd
  3. Aug 26, 2012 #2


    User Avatar

    Staff: Mentor

    Welcome to the PF.

    What kind of programming language/simulator is that? I don't know if others are familiar with it, but I'm having trouble deciphering what is going on...
  4. Aug 26, 2012 #3
    This is my control system assignment.
    I'm using Omron CX-Programmer
    Do you understand my questions?
    Thanks for the reply ya:)
    Last edited by a moderator: Aug 27, 2012
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook