Solis's new generation of communication monitoring module adopts 4-pin RS485 port and USB port, and the plug-and-play connection method. Applicable to areas covered by Wifi and LAN signals, data collection is faster, wider and more reliable. It can remotely transmit PV plant operation data to Solis cloud monitoring system in real time, And conduct accurate and comprehensive data analysis and fault early warning processing. Solis cloud issues control commands to inverters to achieve stable, reliable and intelligent PV plant O&M management services.