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Siemens USB PPI Cable - Visual C# connection? Mir_As12-Nov-12 2:31 Mir_As 12-Nov-12 2:31  Hi to all, How can i communicate between Siemens PLC and Visual C# via USB PPI cable as serial communication? When i plug it to my pc so it is identified as a HID device. i want it as com port.(serial pot). how can i achieve this? must i attach any kind of dll to my project? Anyone can help me? Re: Siemens USB PPI Cable - Visual C# connection? Dave Kreskowiak12-Nov-12 4:34 Dave Kreskowiak 12-Nov-12 4:34  The driver for the device has to expose the device as a COM port. If it doesn't, you're going to have to go to the manufacturer of the device and either get an updated driver that does this or get a SDK for the device that allows some other method of communication. A guide to posting questions on CodeProject[^] Dave Kreskowiak Re: Siemens USB PPI Cable - Visual C# connection? Mir_As12-Nov-12 4:52 Mir_As 12-Nov-12 4:52  Thanks for your reply

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