... RS485 interface Din rail moutning AGF Series, Detect states of solar cell modules, the current of photocell, the state of Surge Protection ... box. They can realize detecting the states of solar cell modules, the current of photocell, the state of Surge ... supply, PV input, relay output, communication, solar cell voltage input AC 2.5kV/1min (to note)Sensor input plus switching input, and communication ...