5Major Components of a Common PLCPROCESSOR POWERSUPPLYI MN O P D U UT L E History of PLCPLC was introduced in late 1960sFirst commercial & successful Programmable Logic Controllers was designed and developed by Modicon as a relay replacer for General Motors.Earlier, it was a machine with thousands of electronic parts.Later ,in late 1970s,the microprocessor became reality & greatly enhanced the role of PLC permitting it to evolve form simply relay to the sophisticated system as it is today. A PLC is an example of a real time system. What is PLC? PLC is a digital computer designed for multiple inputs and output arrangements, extended temperature ranges, immunity to electrical noise, and resistance to vibration and impact. Professor (RITS)ĬontentsWhat is PLC?History of PLCMajor components of PLCProgramming languages of PLCModes of connectionImages of Actual PLC connectionsHow to create connection and interfaceExercises on ladder logicAdvantagesDisadvantagesApplicationsLeading brands of PLC

Presented ByVINAY PARASHAR (EC) 4th YEAR RITS0132EC111119 (Programmable Logic Controller)RADHARAMAN GROUP OF INTITUTIONGuided by:Mr.

Ladder logic program for mac