Thanks for your answer!

Im beside the PLC where I want to communicate now so I'll try
it out!
This is the description of the function

int WINAPI PcdGetChannelSetup(LPCTSTR lpszChannel, LPOPENDATA lpOpenData)
Copies a channel's configuration values into a PCDOPENDATA structure and initialises the structure.

Parameters
lpszChannel
Channel name.
lpOpenData
Pointer to connection data structure. PCDOPENDATA

Best regards

Per Simmersholm