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)3BSE081636R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088386R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE081638R1 Read more