LON-Digital input 4port (230V)

The LF-DI230 LON is suitable for detecting 230 V AC switch states, for example, switches or buttons for light control. The input terminals 1L to 4L are wired with 1N to 4N terminals to 230 V AC via switches or contacts.
TP/FT-10 free topology twisted pair (ISO/IEC 14908-2),
supply voltage 20 V to 28 V AC/DC