You can find documentation and related software release packages (e.g., Release 4.x) on the Siemens Industry Online Support (SIOS) portal under specific support IDs like 107174182.
Requires a standard RS-232 (V.24) serial connection and a Null Modem cable . Common settings include a baud rate of 19200, 8 data bits, 1 stop bit, and no parity. download pcin software siemens