发表于:2007-04-25 20:23:00
楼主
各位大侠,
我有一台SIEMENS PG,连接PLC,设置成MPI接口,点击"diagnostic",测试PROFIBUS/MPI NETWORK DIAGNOSTICS时出现“Error 0x031a: No active PROFIBUS/MPI network found. If you want the CP of this PC to be the only active module (for example in DP master mode), the setting <PG/PC is the only master on bus> must be activated.”
测试HARDWARE时OK。 PLC上出现总线故障。
更换MPI电缆,重装系统(WINDOWS2000)和STEP7后仍不行,设备管理器里一切正常。
请问是不是硬件问题还是其他原因。