thank you for the help, but now the problem is whitch PLC will do the work. what kind of I/O cards to use? I'm trying to buy something from ebay, just in case i'll destroy it. i don't want to sped more then 2-3 hundred $.thank's again.
Hi all, I'm new in PLC and i want to know if a PLC is the right thing to use in my application. I'm trying to control a steam boiler. I'm reading the outside temperature and i want to run the boiler using those readings( example: for 40 deg outside run the boiler one hour every 4 hours; for 20...
