... control RS485 Communication CE, RoHS, ISO9001 BC808-G Intelligent Digital Controller RS485 Size: A:96×96mm D:72×72mm E:48 ... ), direct voltage, direct current, resistance can be input freely Modules L2, L4, G, W1, X, X5, K1, K5/K7, S, U24 ... China and specialize in producing digital electrical meters and temperature controller, humiture controller, and so on. We have the strong technology support ...