STEP7 出现这个问题? one or more objects or a type cannot be respresented sever's7fk35bx.dll'for _S7H_class_FM_POS_300_MPI_ct objects could not be load. Make sure the required software packages are installed. 后面还有好几个类似提示,是什么原因? 要升级硬线信息么? 如何升级硬件信息,在线升级没反应啊!查看更多3个回答 . 1人已关注