R325 – AI825 Analog Input 4 ch Description Description R325 – AI825 Analog Input 4 ch -20..20mA, -10..10V, 14bit + sign. Individually galvanic isolated channels. Use Module Termination Unit TU811, TU813, TU831. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE082895R1 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