在STEP75.3中组态S7400软冗余,冗余网路的通讯控制器PLC为CP443—5BASIC,上位机为CP5412A,使用PROFIBUS总线协议,组态完毕后编译系统提示
WARNING
outputs for subnet"view"
warning On the PROFIBUS subnet 'VIEW', there are additional active nodes in other stations that also have to be reloaded.
请教各位大侠如何解决这个问题
还有一个问题请教
PROFIBUS DP网络上是不是必须有SLAVE