过程站、操作员站及工程师站之间的通讯是通过系统总线DigiNetS (工业以太网)实现的。用户
可以为系统总线选择不同的传输介质(RJ45 双绞线、细缆、粗缆或光纤电缆以及混合介质)和网络拓
朴布局，由于采用TCP/IP协议，系统还可借助公共电话网(拨号方式)或卫星实现超远距离通讯。
PLC等子系统则通过ModBus协议接口与Industrial”系统进行通讯。系统还支持IEC870-5過控协
议
(Industrial Information) system pioneered and led by ABB in technology.
information technology) new trends.
The system is divided into two levels: operation management level and process control level. At the operation management level, not only the traditional control system monitoring operation function is realized
function (operation and display, printing, trend display and alarm), and also complete system hardware diagnosis and
