Internet PLC Forum

hello,

i have a problem recording PLC

I have to make a hole system (including programing and choosing wich type of PLC I should use)

so It has to be a trafic licht just for pedestrians, I a pedestrian pushes a button the green light for cars wil be changed to orange for 3 seconds and after those tree seconds it has to be 10 seconds Green for de pedestrians.(and red for the cars) I must chose from a S7-300 row


does anyone can help me ?

thanks