... RS485 Communication CE, RoHS, ISO9001 BC808-G Intelligent Digital Controller RS485 Size: A:96×96mm D:72×72mm E:48×96mm F ... :96×48mm G:48×48mm H:160×80mm S ... , direct current, resistance can be input freely Modules L2, L4, G, W1, X, X5, K1, K5/K7, S, U24, U12, U10 ...