用的vb.net
Dim ConTable As New SmartPlc.CON_TABLE_TYPE
Dim adr As Byte() = New Byte(5) {2, 0, 0, 0, 0, 0}
ConTable.Adr = adr
ConTable.AdrType = 1
' Type of address: MPI/PB (1), IP (2), MAC (3)
ConTable.SlotNr = 0
ConTable.RackNr = 0
SmartPlc.LoadConnection_ex6(1, “s7online”, 9, ConTable)
结果总是返回42C2
控制面板中的设置pc接口设置为s7online-pc/ppicable.ppi.1 本地连接为USB
能通过西门子的STEP 7 MicroWIN SP9 通讯