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PLC Trafic light

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LaPino:
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

evanh:
I stand corrected.  Any PLC is fair game it seems. :P



Evan

brettski:
OK!!!!!

This person is in PLC training!!!!

If I answer your question then you would get past the fundemetals (spelled wrong!) that would stop you from getting the whole idea!!

Or, maybe you are serious???

REPLY!!!  (Only if not in training!)

FQ-ONG:
I trow you will build a traffic light system with the PLC!

brettski:
You can certainly do this on a TRI plc, infact ANY plc can do what you need.  If you want, I can send you a standard Traffic Light PLC program  (In Ladder or STL if you preffer) then you can have some idea on how the programming works...

Cheers,

Brett

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