str_IM_0xAFF4

The data structure str_IM_0xAFF4 maps the structure of the I&M4 frame in the PLC. This structure is used for writing to and reading from a PROFINET device.

TYPE str_IM_0xAFF3 :
STRUCT
    nBlockTyp       : WORD;
    nBlockLen       : WORD;
    nBlockVersion   : WORD;
    st_IM_Signatur  : STRING(54);
END_STRUCT
END_TYPE