PNIO_COM_MESSAGE_HEADER_TYPE

This data type is declared as follows:

TYPE PNIO_COM_MESSAGE_HEADER_TYPE:
STRUCT
    STATUS: WORD; (*STATUS*)
    LENGTH: WORD; (*LENGTH*)
END_STRUCT
END_TYPE

Possible values for STATUS are:

CDRV_FRAME_BUFFER_FULL = 0x101,
CDRV_FRAME_END_CHAR = 0x102,
CDRV_FRAME_TIMEOUT = 0x103,
CDRV_FRAME_BREAK = 0x104,
CDRV_FRAME_FRAMING = 0x105,
CDRV_FRAME_PARITY = 0x106,
CDRV_FRAME_CANCELED = 0x107,
CDRV_FRAME_ERROR = 0x108,
CDRV_FRAME_CHKSUM = 0x109,
CDRV_FRAME_LEN = 0x10A