基于PLC的电梯控制系统设计

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基于PLC的电梯控制系统设计.doc

XXX: Design of Elevator Control System based on PLC

Abstract:

Currently。there are three main control methods for elevator

control systems: relay control system。PLC control system。and

puter control system。Due to its high reliability。easy

maintenance。strong anti-interference ability。short design and

debugging cycle and other advantages。the PLC control system

has e the most widely used control method in elevator control

systems。Based on the structure of the elevator and the structure

and working principle of the programmable controller。this paper

focuses on the design of a four-story elevator control system using

Siemens S7- programmable controller.

Table of Contents:

Abstract

Chapter 1 n

1.1 Research background and significance 1.2 XXX

1.2.1 Origin of elevators

1.2.2 XXX elevators

1.2.3 Development of XXX

1.2.4 Development of elevators at home and abroad

1.3 n and XXX

1.4 Research content

Chapter 2 XXX

2.1 XXX control system

2.2 n of PLC control system

2.2.1 XXX

2.2.2 XXX

2.3 Anti-interference measures of PLC control system

2.3.1 Hardware anti-interference measures

2.3.2 are anti-interference measures

2.4 Development trend of PLC control system

Chapter 3 n of PLC

3.1 n of input and output (I/O) points 3.2 n of machine type

3.2.1 XXX

3.2.2 XXX

Chapter 4 Design of Four-story XXX

4.1 n panel diagram of elevator control system

4.2 Motor control circuit diagram

4.3 External wiring diagram of PLC

4.4 Flowchart

4.5 Brief n of n principle

4.6 Programming component detail table

XXX:

Xiao。J。& Meng。L。(Eds.)。(XXXX)。Principles and

XXX: XXX Press.

XXXX。Principles and ns of Programmable Controllers。[M]。Beijing: nal Defense Industry Press.