21.11.4.5 Extended Send

Sends the data in the data buffer with Extended SIO according to the size of Number of Send Bytes. The contents of the data buffer specified with Parameter 2 are sent from Extended SIO by the length specified with Parameter 3.
It can only be used in an Extended Script.

IO_WRITE_EX ([p:EXT_SIO], Data Buffer, Number of Send Bytes)

Example expression:

IO_WRITE_EX ([p:EXT_SIO], databuf0, 10)

In the example above, 10 bytes of data in "databuf0" are sent from Extended SIO.