最近在step7中保存程序时老是提示
The interface of the block was changed.After Save/Load,this results
in an interface conflict with the blocks that reference it.When this block is loaded,the CPU can go into the STOP mode.Continue Save/Load?
块是新建的,只要编写interface里的IN/OUT等就会提示以上。
软件重装了,系统也重装了!!!