C1 is one of these. Control relays can be configured with many different attributes. For example, they can be set to be retentive, which maintain their state even during a power loss to the PLC; or ...

They compared a Python-based control loop on a Raspberry Pi 3B against an C0-12DD1E-2-D AutomationDirect CLICK Programmable Logic Controller (PLC) using a simple water heating example.

Programmable Logic Controllers Handbook Vol. 1 This 100+ page handbook deals with the PLC hardware and software and all the surrounding systems that must be compatible to achieve a safe and reliable ...

Researchers build undetectable rootkit for programmable logic controllers News Nov 1, 2016 5 mins Computers and Peripherals Security ...

News Researchers build undetectable rootkit for programmable logic controllers The rootkit implements a new attack against a PLC's input/output interface. By Lucian Constantin Nov 1, 2016 11:51 am PDT ...

He frequently uses Programmable Logic Controllers at work but had never built one himself. He decided to undertake the project at home and managed to build a PLC that outputs 120V AC or 12 V DC ...