6 PCS7 V7.0 深入浅出 第6章：CFC连续功能图 96

PCS7 V7.0 深入浅出

第6章：CFC连续功能图

PCS7 V7.0 深入浅出

PCS 7 PoT

第 6章 CFC连续功能图

PCS 7 PoT V7.0/版本 1.0/ 2007年 3月 Copyright 2007© Siemens AG by A&D AS CS2 PA。保留所有权利

6-2页

PCS7 V7.0 深入浅出

目录：

第6章 CFC连续功能图.......................................................................................................................................3

1.功能块概念.........................................................................................................................................................................3

1.1 功能块类型................................................................................................................................................................3

1.2 功能块实例................................................................................................................................................................7

1.3 集中式功能块类型更改（功能块类型更改）..............................................................................................................9

1.4 主数据库和项目库....................................................................................................................................................14

1.5 “清除”功能............................................................................................................................................................15

1.6 多实例功能块...........................................................................................................................................................17

1.7 组织块......................................................................................................................................................................17

1.8 功能块 – FB、FC、BOP.......................................................................................................................................18

1.9 功能块的运行属性....................................................................................................................................................19

2.CFC 图.............................................................................................................................................................................28

2.1 图中的I/O（图中图）..............................................................................................................................................28

2.2 将CFC图作为块类型编译（块内图）.....................................................................................................................30

2.3 趋势显示.................................................................................................................................................................31

2.4 动态显示.................................................................................................................................................................32

2.5 测试模式.................................................................................................................................................................32

2.6 文本互连.................................................................................................................................................................33

2.7 工程单位.................................................................................................................................................................34

2.8 Shared declarations共享声明.................................................................................................................................35

2.9 Cross-reference......................................................................................................................................................37

2.10 版本标识符............................................................................................................................................................38

3.PCS 7 库功能...................................................................................................................................................................40

3.1 操作员控制块..........................................................................................................................................................40

3.2 马达和阀门控制......................................................................................................................................................48

3.3 PID和给料控制.......................................................................................................................................................56

3.4 消息块.....................................................................................................................................................................63

3.5 联锁控制，块 INTERLOK.......................................................................................................................................734.原料罐单元的控制............................................................................................................................................................75

4.1 原料罐单元..............................................................................................................................................................75

4.2 原料罐单元的模拟...................................................................................................................................................78

实验室项目 RMT1（第一部分）：设计RMT1单元的控制系统..........................................................................82

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