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)3BSC630049R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE038226R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE076939R1 Read more