RS204
¥888.00
BS206
¥888.00
AAI143-H03
¥888.00
AAI143/543-YG
¥888.00
CP-DM20
¥888.00
PW482-11
¥888.00
巴赫曼 NT255
《销售热线：18030132582》
控制器是DCS的核心部件，它相当于一台PC机。有的DCS的控制器本身就是PC机。它主要有CPU、RAM、E2PROM和ROM等芯片，还有两个接口，一个向下接收I/O总线来的信号，另一个接口是向上把信号送到网络上与人机界面相连。ROM用来存贮完成各种运算功能的控制算法（有的DCS称为功能块库）。在库中存功能块，如控制算法PID、带死区PID，积分分离PID，算术运算加、减、乘、除、平方、开方、函数运算一次滤波、正弦、余弦、X-Y函数发生器、超前-滞后；比较***的算法有史密斯预估，C语言接口、矩阵加、矩阵乘；逻辑运算有逻辑与、逻辑或、逻辑非、逻辑与非等。通常用站功能块不仅把模拟量和开关量结合起来，还与人连系起来。功能块越多，用户编写应用程序（即组态）越方便。组态按照工艺要求，把功能块连接起来形成控制方案。把控制方案存在E2PROM中。因为E2PROM可以擦写，组态要随工艺改变而改变，所以把组态存在E2PROM中。不同用户有不同组态。组态时，用户从功能块库中选择要的功能块，填上参数，把功能块连接起来。形成控制方案存到E2PROM中。这时控制器在组态方式，投入运行后就成为运行方式
联系人：张芳
热线：0592-5087951+++手机：18030132582
传真：0592-5165561（请注明张芳收，谢谢！）
QQ：2946362425
地址：厦门思明区湖滨东路湖光大厦8楼B
Cutler Hammer CH C32KN3 motor contactor 200A 480V Ser A
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Cutler-Hammer Freedom Unitrol 800A 36" Main Breaker Fee
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CH/Westinghouse ED322W 225A Breaker Cutler Hammer ED322
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CH/Westinghouse 2100 Size 2 Reversing Fusible MCC Bucke
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