Moeller XC-CPU101-C64K-8DI-6DO - SysComWriteControl Function; Automatic Closing of the Interface

03/05 AWB2724-1453G
Demands placed on the func-
tionality of the transparent
mode
65
“SysComWrite” function
This function allows output of data via the RS232 interface.
Table 17: Parameters of the “SysComWrite” function
Figure 92: SysComWrite function
dwHandle
Return value of the “SysComOpen” function
dwBufferAddress Address under which the data to be output is stored
dwBytesToWrite Number of data bytes to be sent
(COM 1: max. 190 bytes; COM 2, 3: max. 250 bytes)
dwTimeout Parameters without meaning
SysComWrite Return value: Informs you about the amount of sent data.
h
Important
Test of the buffer address or the buffer size does not occur!