刚试过，DP适配器直接连在CU310 DP 口上，能够在线。把DP适配器插在 DRIVE 口上 也能在线CU310 。
就是用DP适配器 接 X1口并激活，再进行在线，就不能报信息：
Information Establishing a connection to device 'Technology'
Information Has been performed via PROFIBUS/MPI address 2
Error Technology: Technology system data is not loaded; reload via HW Config.
Error Error occurred while establishing a connection to device 'Technology'.
Error Error on: Connect to target system.
Error (ret = 0xbe0b0052)
Information Start of the online consistency check for all online devices.
Information End of the online consistency check for all online devices.