Isolated safety barrier/two_in and two_out switching value input, transistor output isolated safety barrier

Switching input isolation type safety barrier, receiving dry contacts from hazardous areas or NAMUR type DIN19234 input conforming to proximity switch standard, and transmitting to the safe area transistor output through safety barrier isolation, it has the functions of input disconnection detection alarm indication and input and output inversion setting. This product requires independent power supply and isolation of power supply, input and output.