I think you’re going to need more than Just a uController. Because you don’t know much I would suggest starting with the Arduino Ethernet platform. At least to prototype, then you can rebuild with the components you need.
WTF are you trying to accomplish? Why would you want to apply power to metal? That’s just sadistic! It’s obvious to me that you don’t know much about electronics, which is okay, but you need to ask more specific questions. Also, why don’t you explain what is your doing. I drew some lines on your...
Hello Artronix, I can try and give you a hand with your PLC problems. I am a bit confused with your terminology, but before we get into your problem, here is some general PLC knowledge to get you started.
A PLC is a Programmable Logic Controller. It was developed in 1969 for General Motors...