Eaton XC-CPU101 Series, Instruction Leaflet

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12/14 MN05003004Z-EN
Demands placed on the
functionality of the
transparent mode
63
Table 15: Parameters of the “SysComOpen” function
“SysComClose” function
The function closes any RS232 interface opened in transparent
mode. During closing, the communication parameters which were
set last are restored. The function returns the TRUE return value
when the action has been completed successfully.
Table 16: Parameters of the “SysComClose” function
Figure 90: “SysComOpen” function
Port Selection of the interface
Parameter: Specify the interface to be opened.
SysComOpen Return value 0:
Return value > 0: Opening of the RS232 interface was not successful.
Opening of the RS232 interface was successful.
Figure 91: SysComClose function
dwHandle Return value of the “SysComOpen” function
SysComClose Return value TRUE: Closing of the RS232 interface was successful