_DIAG : STRUCT Data structure [...] diagnosis data (see [...] _Number UINT Ident Number of
Channel USINT uiIndex UINT [...] ) uiState UINT x [...] Size UDINT pData CAA
ServiceGroup UINT uiService UINT [...] buffer where the data
IDN UINT usi [...] Busy BOOL xError BOOL usiData
IDN UINT usiElement USINT usiData
, where the data has to [...] Tag UINT The tag used [...] data udiValue UDINT
, where the data has to [...] Tag UINT The tag used [...] data uliValue ULINT
Item UINT 0 “data item [...] Request Input uiUnitId UINT 0 [...] Request uiMaxRetries UINT
Process Data Revision [...] time InputDataLength BYTE Input data
. Output bytesRead OpcUa_UInt [...] data.