PLC ,Introduction,Working ,Main components of a PLC,Programing Languages of PLC
Introduction to PLC A Programmable logic controller or PLC is a computer like structure used for industrial automation.It can control a specific machine or whole production line lighting in the building fire alarms ,CCTV cameras or lots of other things. Working Of PLC The PLC receives information from connected sensors or input devices processes the data and triggers the out puts based on pre-programmed parameters. Depending on inputs and outputs a PLC can monitor and record run time data such as machine productivity,Operation,Operating temperature ,automatically stop and start,generate alarms. Now a days PLC is used in lots of application and due to its flexible features it become the part of almost all industries. Main Components Of a PLC Processor or central processing unit(CPU). Rack or mounting....