Eaton XC-CPU101 Series, Instruction Leaflet

Page: 83 / 96

12/14 MN05003004Z-EN
Demands placed on the
functionality of the
transparent mode
65
“SysComWrite” function
This function allows output of the data via the RS232 interface.
Table 18: Parameters of the “SysComWrite” function
Figure 93: SysComWrite function
dwHandle Return value of the “SysComOpen” function
dwBufferAddress Address under which the output data is stored
dwBytesToWrite Number of data bytes to be sent
(COM 1: max. 190 bytes; COM 2, 3: max. 250 bytes)
dwTimeout Parameter without meaning
SysComWrite Return value: Informs you about the amount of sent data.
h
Caution!
Test of the buffer address or the buffer size does not occur!