精选优质文档-倾情为你奉上Programmable Logic ControllerA programmable logic controller (PLC) or programmable controller is a used for of processes, such as control of machinery on factory , amusement rides, or lighting fixtures. PLCs are used in many industries and machines. Unlike general-purpose computers, the PLC is designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact. Programs to control machine
