描述
DCS都采用在操作站的主机上加分屏卡,如加2分屏,4分屏的分屏卡,分别可连接2台CRT或4台CRT。用这种方法以增加人机界面。对于除电厂以外的生产工艺,如水泥厂,钢铁厂,一个生产工艺很长,地域比较分散,并由一套DCS系统控制,它的输入、输出点数较多,为了节省投资,一台操作站往往和一部分生产工艺相对应。
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