采用cvi语言编写 对工业控制计算机内部的DA板进行设置 使之输出0-10伏大小的信号和-5v-+5V大小的信号 可不加修改移植到用户程序中 作为用户程序的一部分-Cvi languages used for industrial control computer within the DA board set up so that the size of the output signal of 0-10 V and-5v-+ 5V signal size modification from time to transplant to the user program as the user part of the process