ABB TU831V1 Extended Module Termination Unit (Extended MTU), 250 V Isolated; Article Code: 3BSE013235R1

Core Official Function TU831V1 is a passive high-voltage S800 I/O termination base designed for ABB System 800xA DCS, serving as the wiring interface between field devices and S800 I/O electronic modules: Provides 16 isolated signal terminals (2 × 8 channels) rated up to 250 V AC/DC for heavy-duty field wiring (valves, actuators, high-voltage sensors) Passively routes ModuleBus communication signals to cascade multiple MTUs on one DIN rail rack Implements hardware slot address encoding for paired I/O modules via position shift circuitry Industrial Application Scenarios Oil & gas process plants, power generation, chemical refineries, pulp & paper, heavy machinery automation, water/wastewater treatment, high-voltage valve control systems 6) Physical Appearance, Dimensions & Hardware Features