R070 – CI840A PROFIBUS DP-V1 Interface Description Description R070 – CI840A PROFIBUS DP-V1 Interface For redundant communication interface two CI840A, and one TU847 or one TU846 must be ordered. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE081638R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE072270R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE053241R1 Read more