有一远程磨机自带PLC(315-2)是触摸屏的,主控室有一套PLC(313-2),主控室想看磨机自带PLC的数据,在编辑全局变量是老是出错,从GD1.1.1,GD2.1.1,GD3.1.1,GD4.1.1以后再加就出错.每次就是传4个字节.DB2.DBD2:4,DB2.DBD8:4,......现在编译出错提示是:The permitted maximum number of GD packets that are to be received hai been exceeded for the selected CPU SIMATIC 300(1)\CPU 313c-2 DP.请前辈指教点迷津.先谢谢拉.