PS内部的Flash EPROM 提供220多种功能模块(控制算法子程序)，除IEC 61131 3标准规定的基
本
内容外，还扩充了许多来自于实际工程应用、且功能强大并经过严格测试的功能块。任何复杂控
制
方案均可由这些功能块组合实现。
系统提供的功能块主要有以下几大类:
o
模拟量处理
o
数字量处
理
回路调节
逻辑顺序控制
c
逻辑运算
监视功能
采集功能.
c
算术运算
c
TCP/IP协议通讯接口
Modbus协
议通讯接口
1EC870-5协议通讯接口(Telecontrol)
4.2现场控制器 PS
Industr ial”现场控制器PS是
– -种特殊的过程控制站，它内嵌了现场总线通讯接口，为用户使用
现场总线技术提供了很灵活的
选择。
from manufacture all the way to service. ABB automation early
In 1990, it obtained the DQS certificate based on ISO9001 certification,
EQnet quality based on ISO 9000/EN 29000 was subsequently achieved
Certification.
However, the Freelance 800F is more than technical excellence, I
We have also spent a lot of effort in proper planning, installation and revision too
This makes engineering design and maintenance faster, more economical and more efficient.
Industrial” is a world-leading all-round integrated open control system launched by ABB Group Automation Headquarters.
It integrates the advantages of traditional DCS and PLC in one body and supports a variety of international field bus standards. It has both the complex analog loop
