DVP PLC 应用技术手册【程序篇】
目
第1章：PLC梯形图基本原理
前言、PLC的发展背景及其功能概述.............................................................1-1 1. 1 梯形图工作原理.................................................................................1-1 1. 2 传统梯形图与PLC梯形图之差异.........................................................1-2 1. 3 梯形图编辑说明.................................................................................1-3 1. 4 PLC 梯形图之编辑要点......................................................................1-7 1. 5 PLC 指令与各项图形结构的整合转换..................................................1-11 1. 6 梯形图之化简.....................................................................................1-14 1. 7 常用基本程序设计范例.......................................................................1-16
录
第2章：DVP- PLC各种装置功能
2. 1 DVP-PLC各装置编号一览表...............................................................2-1 2. 2 数值、常量[K、H]..............................................................................2-7 2. 3 输入/输出接点的编号及功能[X、Y]......................................................2-9 2. 4 内部辅助继电器的编号及功能[M].........................................................2-11 2. 5 步进继电器的编号及功能[S]................................................................2-12 2. 6 定时器的编号及功能[T].......................................................................2-13 2. 7 计数器的编号及功能[C]......................................................................2-15 2. 8 寄存器的编号及功能[D]、 [E]、[F]......................................................2-28
2.8.1 资料寄存器[D]...........................................................................................2-28 2.8.2 间接指定寄存器[E]、[F].............................................................................2-29 2.8.3 档案寄存器功能及特性...............................................................................2-30
2.9 指针[N]、[P]、[I].................................................................................2-30 2.10 特殊继电器及特殊寄存器.....................................................................2-33 2.11 特殊继电器及特殊寄存器群组功能说明.................................................2-56 2.12 侦错码原因对照表...............................................................................2-86
第3章：基本顺序指令
3. 1 基本指令及步进梯形指令....................................................................3-1 3. 2 基本指令说明.....................................................................................3-3