Application of programmable logic controller (PLC)

There are some applications of programmable logic controller (PLC).

• It is used in civil applications such as washing machine, elevators working and traffic signals control.
• It is used in aerospace for Water tank quenching system.
• It is used to reducing the human control allocation of human sequence given to the technical equipments that is called Automation.
• It is used in batch process in chemical, cement, food and paper industries are sequential in nature, requiring time or event based decisions.
• It is used in the burner management system to control the process of purging, pilot light off, flame safety checks, main burner light off and valve switching for changeover of fuels.
• It is used in printing industry for multistage screen washing system and Offset web press print register control system.
• It is used in travel industry for escalator operation, monitored safety control system.