Q127 – DIS850 Digital Input IS Description Description Q127 – DIS850 Digital Input IS Digital Input Intrinsically Safe Signal Conditioning Module for 2-wire devices. Sequence of Events (SOE) enabled. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE081636R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE053242R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088381R1 Read more