HDS03.2-W075N-HS97-01-FW

分类:

Description

DCS分为三大部分,带I/O板的控制器、通讯网络和人机界面(HMI)。由I/O板通过端子板直接与生产过程相连,读取传感器来的信号。I/O板有几种不同的类型,每一种I/O板都有相应的端子板。

l模拟量输入,4-20毫安的标准信号板和用以读取热电偶的毫伏信号板;4-16个通道不等;

l模拟量输出,通常都是4-20毫安的标准信号,一般它的通道比较少,4-8个个通道;

l开关量输入;16-32个通道:

l开关量输出,开关量输入和输出还分不同电压等级的板,如直流24伏、125伏;交流220伏或115伏等;8-16个通道不等;

l脉冲量输入,用于采集速率的信号;4-8通道不等;

 

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