本书系统地介绍了机电装备电气控制技术与可编程序控制技术，包括两大部分内容：第一部分介绍机电装备电气控制技术，主要介绍机电装备电气控制系统中的常用低压电器、电气控制电路的基本控制规律、典型机床电气控制系统分析、电气控制系统的设计；第二部分介绍可编程序控制技术，主要介绍日本三菱电机公司的FX2N 系列可编程序控制器及其基本指令应用、可编程序控制器步进指令及状态编程法、可编程序控制器应用指令及编程、可编程序控制器控制系统应用设计、MCGS 组态控制系统。每章后都附有习题与思考题，便于学生加深对本书知识的理解。

刘军教授，长期从事机械制造相关专业课程教学，积累了丰富的教学经验。河南省民办高校品牌学科负责人、郑州市特聘高层次人才、专利审查协作河南中心技术咨询专家

目 录
第1 章 绪论 ······················································································································.1
1.1 电气控制技术的概述 ·····························································································.1
1.1.1 电气控制技术的定义 ·························································································.1
1.1.2 电气控制技术的发展概述 ···················································································.1
1.2 可编程序控制器概述 ·····························································································.2
1.2.1 可编程序控制器的定义 ······················································································.2
1.2.2 可编程序控制器的发展史 ···················································································.3
1.2.3 可编程序控制器的应用领域 ················································································.3
习题及思考题 ···············································································································.7
第2 章 常用低压电器 ········································································································.8
2.1 电器的功能、分类和工作原理 ···············································································.8
2.1.1 电器的功能 ·····································································································.8
2.1.2 电器的分类 ·····································································································.8
2.1.3 电磁式电器的工作原理 ······················································································.9
2.2 低压控制电器 ······································································································.11
2.2.1 刀开关 ·········································································································.11
2.2.2 组合开关 ······································································································.12
2.2.3 主令电器 ······································································································.13
2.2.4 接触器 ·········································································································.16
2.2.5 继电器 ·········································································································.18
2.3 低压保护电器 ······································································································.25
2.3.1 熔断器 ·········································································································.25
2.3.2 热继电器 ······································································································.27
2.3.3 低压断路器 ···································································································.28
习题及思考题 ·············································································································.30
第3 章 电气控制电路的基本控制规律 ··············································································.31
3.1 绘制电气控制电路的若干规则 ·············································································.31
3.1.1 电气控制电路图 ·····························································································.31
3.1.2 阅读和分析电气控制电路图的方法 ·····································································.34
3.2 电气控制的基本控制环节 ····················································································.35
3.2.1 启动/停止电动机和自锁环节 ·············································································.36
3.2.2 长动控制和点动控制 ·······················································································.37
3.2.3 互锁控制 ······································································································.38
3.2.4 顺序控制 ······································································································.38
3.2.5 多地点控制 ···································································································.39
3.3 三相异步电动机的启动控制 ·················································································.40
3.3.1 三相鼠笼式异步电动机的全压启动控制 ·······························································.40
3.3.2 三相鼠笼式异步电动机的降压启动控制 ·······························································.40
3.4 三相异步电动机的制动控制 ·················································································.42
3.4.1 机械制动 ······································································································.43
3.4.2 电气制动 ······································································································.44
3.5 电动机的可逆运行 ·······························································································.47
3.5.1 电动机可逆运行的手动控制 ··············································································.48
3.5.2 电动机可逆运行的自动控制 ··············································································.49
习题及思考题 ·············································································································.50
第4 章 典型机床电气控制系统分析 ·················································································.51
4.1 CA6140 型车床电气控制 ·····················································································.51
4.1.1 CA6140 型车床结构简介 ··················································································.51
4.1.2 CA6140 型车床的主要运动形式 ·········································································.52
4.1.3 CA6140 型车床电气控制系统分析 ······································································.52
4.2 X62W 型万能铣床电气控制 ·················································································.54
4.2.1 X62W 型万能铣床结构简介 ··············································································.54
4.2.2 X62W 型万能铣床的主要运动形式 ·····································································.55
4.2.3 X62W 型万能铣床电气控制系统分析 ··································································.55
4.3 Z3040 型摇臂钻床控制 ························································································.60
4.3.1 Z3040 型摇臂钻床结构简介 ··············································································.60
4.3.2 Z3040 型摇臂钻床的主要运动形式 ·····································································.61
4.3.3 Z3040 型摇臂钻床电气控制系统分析 ··································································.62
4.4 T68 型卧式镗床电气控制 ·····················································································.65
4.4.1 T68 型卧式镗床结构简介 ·················································································.66
4.4.2 T68 型卧式镗床主要运动形式 ···········································································.66
4.4.3 T68 型卧式镗床电气控制系统分析 ·····································································.67
习题及思考题 ·············································································································.70
第5 章 电气控制系统的设计 ····························································································.71
5.1 电气控制系统设计的基本内容和一般原则 ····························································.71
5.1.1 电气控制系统设计的基本内容 ···········································································.71
5.1.2 电气控制电路设计的一般原则 ···········································································.72
5.2 电力拖动方案确定原则和电动机的选择 ·······························································.75
5.2.1 电力拖动方案确定原则 ····················································································.76
5.2.2 电动机的选择 ································································································.76
5.3 电气控制电路的经验设计法和逻辑设计法 ····························································.77
5.3.1 电气控制电路的经验设计法 ··············································································.77
5.3.2 电气控制电路的逻辑设计法 ··············································································.82
5.4 电气控制系统的工艺设计 ····················································································.84
习题及思考题 ·············································································································.86
第6 章 可编程序控制器概述 ····························································································.88
6.1 可编程序控制器的提出及其基本概念 ···································································.88
6.1.1 可编程序控制器的提出 ····················································································.88
6.1.2 可编程序控制器的基本概念 ··············································································.88
6.2 可编程序控制器的特点及其应用 ··········································································.89
6.2.1 可编程序控制器的特点 ····················································································.89
6.2.2 可编程序控制器的应用领域 ··············································································.90
6.3 可编程序控制器的发展 ························································································.91
6.4 可编程序控制器的组成及其各部分功能 ·······························································.94
6.4.1 中央处理器 ···································································································.94
6.4.2 存储器 ·········································································································.94
6.4.3 输入/输出接口（I/O 接口） ··············································································.95
6.4.4 电源 ············································································································.97
6.4.5 外部设备 ······································································································.97
6.5 可编程序控制器的结构及软件 ·············································································.98
6.5.1 可编程序控制器的结构 ····················································································.98
6.5.2 可编程序控制器的软件 ···················································································.100
6.6 可编程序控制器的工作原理 ················································································.103
6.6.1 分时处理及扫描工作方式 ················································································.103
6.6.2 扫描周期及可编程序控制器的两种工作状态 ························································.104
6.6.3 输入/输出滞后时间 ························································································.104
6.7 可编程序控制器与继电器-接触器系统工作原理的差别 ········································.105
6.7.1 逻辑关系上的差别 ·························································································.105
6.7.2 运行时序上的差别 ·························································································.106
习题及思考题 ············································································································.106
第7 章 FX2N 系列可编程序控制器及其基本指令应用 ·······················································.107
7.1 FX2N 系列可编程序控制器 ··················································································.107
7.1.1 FX2N 系列可编程序控制器的基本组成 ································································.107
7.1.2 FX2N 系列可编程序控制器的型号名称体系及其种类 ··············································.108
7.1.3 FX2N 系列可编程序控制器的技术指标 ································································.111
7.2 FX2N 系列可编程序控制器软组件及功能 ·····························································.112
7.2.1 FX2N 系列可编程序控制器软组件的分类、编号和基本特征 ·····································.113
7.2.2 FX2N 系列可编程序控制器软组件的地址编号及其功能 ···········································.113
7.2.3 数据类字元件的结构形式 ················································································.127
7.2.4 FX2N 系列可编程序控制器的程序存储器的结构和参数结构 ·····································.128
7.3 FX2N 系列可编程序控制器的基本指令及应用 ······················································.129
7.3.1 逻辑取、取反线圈驱动（LD、LDI、OUT）指令 ··················································.131
7.3.2 触点串联（AND、ANI）指令 ··········································································.131
7.3.3 触点并联（OR、ORI）指令 ············································································.133
7.3.4 串联电路块的并联（ORB）指令 ·······································································.133
7.3.5 并联电路块的串联（ANB）指令 ······································································.134
7.3.6 栈操作（MPS、MRD、MPP）指令 ···································································.135
7.3.7 主控（MC、MCR）指令 ················································································.138
7.3.8 置位（SET）和复位（RST）指令 ·····································································.139
7.3.9 微分脉冲输出（PLS、PLF）指令 ·····································································.140
7.3.10 取反（INV）指令 ························································································.141
7.3.11 空操作（NOP）指令和程序结束（END）指令 ···················································.142
7.4 编程注意事项和规则 ··························································································.143
7.4.1 梯形图的结构规则 ·························································································.144
7.4.2 语句表程序的编辑规则 ···················································································.146
7.4.3 双线圈的输出问题 ·························································································.146
7.5 机电装备常用基本电气控制电路的PLC 编程实现 ···············································.147
7.5.1 三相异步电动机单向运转控制：启动－保护－停止电路单元 ···································.147
7.5.2 三相异步电动机可逆运行控制：互锁环节 ···························································.148
7.5.3 两台电动机延时启动的基本环节 ·······································································.149
7.5.4 定时器的延时扩展 ·························································································.149
7.5.5 由定时器构成的振荡电路 ················································································.150
7.5.6 分频电路 ·····································································································.150
7.6 “经验”编程法 ·································································································.150
习题及思考题 ············································································································.151
第8 章 可编程序控制器步进指令及状态编程法 ···································································.155
8.1 步进指令与状态转移图表示方法 ·········································································.155
8.1.1 FX2N 系列可编程序控制器步进指令及使用说明 ····················································.155
8.1.2 状态转移图的建立 ·························································································.156
8.1.3 典型案例分析 ·······························································································.159
8.2 设计状态转移图的注意事项和规则 ·····································································.161
8.2.1 设计状态转移图的注意事项 ·············································································.161
8.2.2 设计状态转移图的规则 ···················································································.161
8.3 多流程步进顺序控制 ··························································································.163
8.3.1 单流程结构程序 ····························································································.164
8.3.2 选择性分支结构程序 ······················································································.165
8.3.3 并行分支结构程序 ·························································································.169
8.3.4 跳转与循环结构 ····························································································.172
习题与思考题 ············································································································.174
第9 章 可编程序控制器应用指令及编程 ···········································································.176
9.1 应用指令基本要素及其表达方式 ·········································································.176
9.1.1 应用指令介绍 ·······························································································.176
9.1.2 应用指令的通用格式 ······················································································.178
9.1.3 应用指令的数据结构 ······················································································.182
9.2 传送与比较类指令及其应用举例 ·········································································.182
9.2.1 指令说明 ·····································································································.183
9.2.2 应用举例 ·····································································································.186
9.3 算术指令及其应用举例 ·······················································································.189
9.3.1 指令说明 ·····································································································.189
9.3.2 应用举例 ·····································································································.191
9.4 条件跳转指令与子程序指令 ················································································.193
9.4.1 条件跳转指令 ·······························································································.193
9.4.2 子程序指令 ··································································································.194
习题与思考题 ············································································································.196
第10 章 可编程序控制器控制系统应用设计 ····································································.197
10.1 可编程序控制器控制系统设计的基本原则、基本内容、一般步骤和机型选择 ····.197
10.1.1 可编程序控制器控制系统设计的基本原则 ·························································.197
10.1.2 可编程序控制器控制系统设计的基本内容 ·························································.197
10.1.3 可编程序控制器控制系统设计的一般步骤 ·························································.198
10.1.4 可编程序控制器机型的选择 ···········································································.199
10.2 机械手的模拟控制 ····························································································.200
10.3 电动机的星形-三角形连接法降压启动控制 ·······················································.203
10.4 自动平移门控制系统设计 ·················································································.205
10.5 Z3040 型摇臂钻床的可编程序控制器控制系统设计 ···········································.208
10.6 自动分拣生产线的可编程序控制器控制系统设计 ··············································.211
10.6.1 自动分拣生产线的控制要求 ···········································································.211
10.6.2 自动分拣生产线的主要部件 ···········································································.212
10.6.3 自动分拣生产线的控制系统设计 ·····································································.215
习题与思考题 ············································································································.226
第11 章 MCGS 组态控制系统 ························································································.228
11.1 MCGS 嵌入版组态软件简介 ··············································································.228
11.1.1 MCGS 嵌入版组态软件的组成 ········································································.228
11.1.2 MCGS 嵌入版组态软件的安装 ········································································.229
11.2 工程建立和下载 ·······························································································.230
11.2.1 工程建立 ···································································································.230
11.2.2 软件的基本操作 ··························································································.230
11.2.3 用户窗口的基本操作 ····················································································.232
11.2.4 工程下载 ···································································································.233
11.3 MCGS 与可编程序控制器连接的实例 ································································.235
11.3.1 设备组态 ···································································································.235
11.3.2 窗口组态 ···································································································.236
11.4 在线调试 ··········································································································.241
习题与思考题 ············································································································.242
参考文献 ··························································································································.243