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PLC (laundry installation)


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hi to all,
    i would like to ask help from anybody here in the forum regarding our project in programmable logic controller... we need to establish a ladder diagram and a time chart of Laundry installation.... anybody here who  knows this topic.... please help me solve this problem...thanks and i'll wait for your reply.....In my next post i will post the problem description...
                                                                    mark
 

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hi
  the time diagram or chart is part of the problem that needs to be established and i have here the problem, heres the problem

                  LAUNDRY INSTALLATION

    Drilled aluminum parts are to be washed i a laundry installation. In addition, the parts are to be placed i a lattice hamper.
    After the starts switch is activated, the piston od a double acting cylinder is to move the lattice hamper, which is filled with work materials, upwards and downwards in the laundering bath. The number of upward and downward is to be set by setting a time element. It automatically stops after the time has expired.
Additional condition:

    The start procedure for the automatic operation can occur only when the lattice hamper is at the extreme upper part.
Another switch is used to trigger one time work-cycle(the lattice hamper dips into the dipping bath only once.....

    PROBLEM:
          1.Design the current path diagram
          2. Draw the ladder diagram
          3. Construct the time chart


    please help me solve this PLC problem......... i'll wait for your reply thanks...
           

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hi
  the time diagram or chart is part of the problem that needs to be established and i have here the problem, heres the problem

                  LAUNDRY INSTALLATION

    Drilled aluminum parts are to be washed in a laundry installation. In addition, the parts are to be placed in a lattice hamper.
    After the starts switch is activated, the piston od a double acting cylinder is to move the lattice hamper, which is filled with work materials, upwards and downwards in the laundering bath. The number of upward and downward is to be set by setting a time element. It automatically stops after the time has expired.
Additional condition:

    The start procedure for the automatic operation can occur only when the lattice hamper is at the extreme upper part.
Another switch is used to trigger one time work-cycle(the lattice hamper dips into the dipping bath only once.....

    PROBLEM:
          1.Design the current path diagram
          2. Draw the ladder diagram
          3. Construct the time chart


    please help me solve this PLC problem......... i'll wait for your reply thanks...
           
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