share me an idea about plc

im not familiar with plc, but i am willing to learn about it.
sad to say, i dont have any idea.
thats why i try to make a research about it.
can you help me or give me atleast a simple overview about plc?

Please scroll to the very top of this page and click on "learn PLCs"

hello,
i am electrical engg.if u want any information in plc.
then send the mail.