Scada programming tutorial Object Forward / Reverse Program.

Q1 :   In this program 2 sensor , 2 motor , 1 switch and 1 object.
          If sensor1 sense  the object them motor1(Forword) is on and object move forward.
          After object move it's destination then sensor2 is sense the object and
          motor2(Reverse)  is on and object move reverse. This process is continue...
           is on and object move reverse. This process is continue...
          {Object Forward / Reverse Program.}
           Try it self After 2 Days i Post the Ans.