Amazon.com: Washinglee USB Programming Cable for Siemens PLC S7 200 and Touch Screen, for 6ES7901-3DB30-0XA0 Replacement (S7 200+Touch Panel) : Electronics
USB PPI Siemens S7 200 standard MicroWin Communications Setup.mp4 - YouTube
Amazon.com: DCYNXC Compatible with Siemens PLC Programming Cable S7-200/300/400 Data Download Line 6ES7972-0CB20-0XA0,USB/MPI PC Adapter USB Cable for Siemen S7-200/300/400 PLC MPI/DP/PPI Programming Cable 16ft : Electronics
Amazon.com: PLC Cable for Siemens S7 200/300/400 6ES7 972-0CB20-0XA0 USB-MPI+ PC USB-PPI : Electronics
DIY-Cable] S7-200 Siemens Connecting PC - plc4me.com