B&R X20DI2377 X20 Digital 2xI, 24V, Sink,2 Count.,3 W.

DC digital input slice module - cabinet I/O - ATEX compliant - ABB / B&R / BR / BandR (X20 series) - 2I/O [2DI (1 x digital input (24Vdc Sink / 50kHz counter / 3-wire connection) + 1 x digital input (24Vdc Sink / 50kHz counter / 187.5kHz...48MHz / 3-wire connection))] - Plug-in mounting - Rated for -25...+60°C ambient - order id #0x1B8E / #7054