22.11.3.5 Extended Send

Sends the Number of Send Bytes in the data buffer to the external device. Define the data buffer contents in Parameter 2 and the data length in Parameter 3 for data you are sending to an external device.
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 to an external device.