Siemens S7-200 and S7-200 Smart PLC multi-master PPI programming cable for isolated USB interface. Support communication with Siemens touch panel; Directly use the USB interface in STEP7 MicroWIN and STEP7 MicroWIN Smart software without installing the driver; Support PPI, multi-master PPI and advanced PPI protocols; Support 187.5Kbps high-speed communication; 100% same as Siemens 6ES7 901-3DB30; 3m; With communication indicator.