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)3BSE072270R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE018172R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE076355R1 Read more