The ABB DO820 (3BSE008514R1) is an 8-channel digital output module from the S800 I/O family, designed to provide robust and reliable control for demanding industrial automation applications . Featuring electromechanical relay outputs with Normally Open (NO) contacts, this module bridges the gap between your control system and high-power field devices.
As part of the ABB S800 I/O system, the DO820 interfaces seamlessly with AC800M controllers and System 800xA via the ModuleBus. Its individually isolated channels and comprehensive diagnostic capabilities make it a trusted choice for discrete output control in process industries, power generation, and factory automation.
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