TB840 ABB I/O Termination Unit

Description

The TB840 Series ABB I/O Termination Unit includes multiple specialized variants for industrial automation applications, such as the TB840A-AE digital plug-in module and TB840A 3BSE037760R1 S800 I/O communication module. Originating from Switzerland, the base TB840 unit operates at a 24V working voltage with an output frequency of 175, and supports custom processing for tailored industrial needs. The TB840A-AE variant, also branded ABB with model name 200-OE4, features 4 analog output channels with selectable signal ranges including 0-20 mA, 4-20 mA, 0-10 V, and +/-10 V, plus 12-bit resolution. It uses 200-TB3 terminal blocks and is compatible with multiple terminal bases including 200-TB3S, 200-TB3N, and 200-TBNF, with compact dimensions of 53mm depth, 46mm height, 94mm width, and a net weight of 0.2 kg. The TB840A 3BSE037760R1 S800 I/O communication module integrates with the ABB S800 I/O system, a fully distributed, modular process I/O platform that communicates with parent controllers and PLCs via industry-standard fieldbus technology, and is compatible with the ABB System 800xA, a multi-functional control system supporting DCS, electrical control, and safety system operations to enhance industrial process efficiency.