He frequently uses Programmable Logic Controllers at work but had never ... 120V AC or 12 V DC and has optoisolated inputs. On the circuit board you’ll find an ATmega8 and an EEPROM for extra ...

A programmable logic controller (PLC ... Another programming language is function block diagram (FBD). It describes functions between input and output variables. The function, represented by ...

Despite what the cool kids are doing over on Hackaday Projects, the vast majority of vintage computers used some form of programmable logic for memory control, address decoding, and all that other ...

Programmable logic controllers (PLCs ... a programming language that employs symbols representing an electrical schematic of relays. These programming differences create distinctions in the ...