最末产生的消息在消息- -览表的首行或尾行。消息的时间排序方式(升序或降序)可以在线更改。
同消
息行一样，不同的优先级的颜色不同。消息可成块确认或整页确认。
为观察更加清晰，操作
员可把某个优先级或装置区域的消息暂时从屏幕上取消而不显示。消息-
览表的容量大小由组态决
定，如果当前的消息数目超过所组态的容量规模，则先进入的消息被删除，
以让出空间给当前消
息进入。
offers very flexible options. Each PS allows to insert 4 fieldbus interface cards (the card type can be different),
Each card is connected to 1 field bus to collect process data and diagnostic information from the bus, the interface card is easy to replace and plug and play
(Plug & Play), and can be plugged and unplugged.
The field controller PS has the following characteristics:
o
Flexible: supports all international standard open fieldbuses and can be mixed
Simultaneous connection of 4 high-speed fieldbuses (max. 12 MBd)
Simple engineering: configuration, commissioning and
