2010•Hunan Agricultural MachineryRequires access

The elevator control system based on PLC

Shukun Zhang

Abstract

The operating principle of the elevator controlling system based on a PLC is introduced in the paper.The principal aim of this paper is to introduce the designing plan and composition of the 3-floor elevator's PLC controlling system.Also expounds the design process of hardware and software about PLC controls elevator,giving us specific ladder diagrams.The system composition block diagram and program flow of charts are presented.After analyzing and processing the logical relationship of stochastic signal,the way of PLC program is put forward.

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Available abstract

Key concepts: Elevator, Block diagram, Control flow, Ladder logic, Principal (computer security), Process (computing), Software, Block (permutation group theory)