Profile information:Automatic Constant Feed Speed Control, Automatic Frequency Adjustment, Automatic Resonant Frequency Search, Counting, RS485 Communication, Automatic Switch Sensor Type Recognition, Sync Output, Overvoltage Protection, Digital Overheat Protection, Overcurrent Protection, Restorable Short Circuit Protection. Users can follow the following expansion and addition steps to add a new controller to the existing network. The new controller, after joining, can call the signal of any controller in the network and act as a controller signal source as any other controller in the network. Enrich system signal sources.