Model:6ES7901-3CB30-0XA0 Support up to 115.2kbps S7-200PLC multi-master PPI programming cable with isolated 232 interface to ensure real-time transmission of data, programming communication cable, PC / PPI, with photoelectric isolation, baud rate up to 115.2K,187.5K is not supported The main technical parameters: Isolation voltage: 1000VDC According to the transient voltage suppression function, the RS485 port can withstand transient overvoltages and lightning strikes with power up to 500W. The RS232 port and power circuit are equipped with surge protection and protection circuits. The entire product can be plugged and unplugged at any power. ? Baud rate: 0 ? 115.2kbps adaptive ? Maximum communication distance: 2 km (when the baud rate is 9600bps), 1 km Isolated 232 interface Siemens S7-200 PPI programming cable, to ensure the real-time transmission of data, programming communication cable, PC / PPI, 232/RS485 converter with optical isolation Package Includes: 1x 6ES7901-3CB30-0XA0 RS232/PPI PC/PPI Multi-Master PLC Programming Cable