str_IM_0xAFF3
The data structure str_IM_0xAFF3 maps the structure of the I&M3 frame in the PLC. This structure is used both for reading from, and for the writing to a PROFINET device.
TYPE str_IM_0xAFF3 :
STRUCT
nBlockTyp : WORD;
nBlockLen : WORD;
nBlockVersion : WORD;
st_IM_Descriptor : STRING(54)
END_STRUCT
END_TYPE