急求三层电梯PLC控制设计毕业论文的目录。。。。谢谢了
推荐回答(1个)
目 录
摘 要 1
Abstract 2
第1章 电梯概述 4
1.1 引言 4
1.2 电梯的发展简史 5
第2章 可编程控制器简介 5
2.1 PLC的结构及各部分的作用 6
2.2 PLC的工作原理 7
2.3 PLC的编程语言 7
2.3.1 梯形图编程语言 7
2.3.2 语句表编程语言 8
2.4 PLC基本指令 8
2.4.1 线圈驱动指令LD、LDI、OUT 8
2.4.2 接点串联指令AND、ANI 8
2.4.3 接点并联指令OR、ORI 8
2.4.4 串联电路块的并联连接指令ORB 8
2.4.5 并联电路的串联连接指令ANB 9
2.4.6 主控及主控复位指令MC、MCR 9
2.4.7 置位与复位指令SET、RST 9
2.4.8 脉冲输出指令PLS、PLF 9
2.4.9 空操作指令NOP 9
2.4.10 程序结束指令END 9
2.5 梯形图设计规则 10
第3章 三层电梯PLC控制系统设计 11
3.1 电梯的控制要求 11
3.2 三层电梯主电路 11
3.3 输入输出点数分配 12
3.4 PLC外围接线图 13
3.5 功能指令表概述 13
3.5.1 传送指令 14
3.5.2 比较指令 14
3.6 程序分析 14
3.6.1 程序总体结构 14
3.6.2 电梯上下控制程序分析 15
3.6.4 电梯位置判断程序分析 16
3.6.5 电梯楼层显示程序分析 16
3.6.6 电梯开关门程序分析 17
3.7 三层电梯梯形图程序 18
3.8 三层电梯助记符语句程序 21
3.9 本系统的不足及改进 27
记得给最佳答案
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