Programmable Logic Controllers

Programming Languages A program loaded into PLC systems in machine code, a sequence of binary code numbers to represent the program instruct...

Extension modules PLC I/O number can be increased through certain additional modules by system extension through extension lines. Each modul...

Input Relays These are connected to the outside world. They physically exist and receive signals from switches, sensors, etc. Typically they...

Hardware Components of a PLC System Processor unit (CPU), Memory, Input/Output, Power supply unit, Programming device, other devices. Centr...

" PLC development began in 1968 in response to a request from an US car manufacturer (GE). The first PLCs were installed in industry in...

Programmable logic controllers, also called programmable controllers orPLCs, are solid-state members of the computer family, using integrate...