T8448 ICS

PM510V08
Notifier CPU2-640
2711-K5A5
1FK7042-5AF71-1EG2
A2H124-24FX
BAUMER 9906356 GBMMW.Z07
MIFIIPI55E10HI00
1771-P5E/A
6FX1136-2BA01
VME-48108-00F-G
1FK7081-5AZ91-1ZZ9-ZS10
HCS02.1E-W0012-A-03-NNNN
416NHM30032
CE15NN3

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描述

系统提供一种设定值时间函数功能块,它用于定义某个模拟变量在确定时间段内其值随时间的变 化过程。典型应用是将PID回路的SP(设定点)定义成一个对时间的函数而不是一般的常数。设定值变 化曲线最多可由32段直线顺序相连而成。DigiVis上与此功能块对应的画面就是设定值曲线显示,画 面操作简单,允许的操作如切换操作方式及在线修改设定值等。在手动方式下可改变对原组态的设定 点的偏置大小来定义手动设定值,也可随时恢复原始设定值。设定值时间函数程序可反复循环执行, 也可指定运行次数。

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