RS-232/PPI Multi-Master cable connecting the SIMATIC S7-200 Micro PLC to the programming device. To connect the cable:
1. Connect the RS-232 connector (marked “PC”) of the RS-232/PPI Multi-Master cable to the communications port of the programming device, example: connect to COM 1 in computer.
2. Connect the RS-485 connector (marked “PPI”) of the RS-232/PPI Multi-Master cable to Port 0 or Port 1 of the SIMATIC S7-200 Micro PLC.
3. Ensure that the DIP switches of the RS-232/PPI Multi-Master cable are set as shown in below:
Programming Cable: RS-232/PPI Multi-Master, Order Number: 6ES7 901-3CB30-0XA0
Programming Cable: USB/PPI Multi-Master, Order Number: 6ES7 901-3DB30-0XA0