ABB DO840 Digital Output Unit

Description

The ABB DO840 Digital Output Unit is a digital output module belonging to the S800 IO series, designed for industrial automation applications. It supports flexible power supply options, including 24V, 48V, 120V, 125V, and 230V, to match diverse industrial power systems. Users can select from multiple channel configurations, with 8, 16, or 32 digital output channels available to meet varying load control requirements. A key variant offers 16 channels with 24VDC output and redundant functionality for enhanced system reliability. This unit features a compact, modular design that simplifies installation and configuration, allowing seamless integration into existing control setups. It delivers stable digital signal output to control industrial actuators, such as valves, motors, and relays, in scenarios requiring precise on/off control. Built for durability, it maintains high reliability and stability during long-term operation, and is engineered to adapt to common industrial operating environments. Its official order number is 3BSE008508R1.