2007•Journal of Yangling Vocational & Technical CollegeRequires access

Application of Programmable Logic Controller in Elevator Control

Jiang Ju-ye

Abstract

Based on the PLC and inverter realizing elevrsor convention control,and using the pulse signal which the encoder sends out to constitute the position feedback to realize the elevator precise displacement to control.The numerical control of counts of floor,speed change of the signal,the gate area and level signal are realized through the PLC programming,which substitutes well position detector set,and increases reliability and level precision of the system.

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Available abstract

Key concepts: Elevator, Programmable logic controller, SIGNAL (programming language), Reliability (semiconductor), Control theory (sociology), Inverter, Complex programmable logic device, Controller (irrigation)