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Within the Advant 800xA product line, ABB DO840 serves as a Digital Output Module.
From a maintenance perspective, digital output hardware provides the command side of the control path, allowing configured logic to operate compatible external devices while maintaining the output organization defined by the installed system. The original wiring and configuration records should guide application.
ABB Advant and System 800xA environments combine control, I/O, communication, and operator resources. This product supports the hardware function identified by its description within the installed system. The original wiring and configuration records should guide application.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. This is relevant where the installation calls for this specific component class.
Alt# 3BSE020838R1
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