Use a null-modem cable (2–3, 3–2, 5–5) for proper connection.
To ensure successful communication, settings on both WinPCIN and the CNC controller must match exactly. Recommended Value 9600 or 19200 Flow Control XON/XOFF (Standard) 4. Step-by-Step Data Transfer Sending Data to CNC (Download) Prepare CNC : On the machine panel, navigate to Services > Data In and select the RS232 interface. Wait for Start Winpcin Siemens Software Download
: If you do not have the original media, you must contact your nearest Siemens Regional Office or machine OEM for support and to request the software. Use a null-modem cable (2–3, 3–2, 5–5) for
: The communication speed (e.g., 19200 bits per second) must be set identically on both the PC software and the CNC controller. Step-by-Step Data Transfer Process Step-by-Step Data Transfer Sending Data to CNC (Download)
: A Null Modem cable (RS232 crossover) is required. Standard serial cables typically will not work for this data transfer.