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The ABB FEN-21 68679303 is a resolver interface module for ABB drive feedback systems. It is used to receive resolver feedback for motor speed and position control. The ABB FEN-21 68679303 is identified by its complete ordering code and documented hardware function. Confirm the installed system, module revision, connector arrangement and supported interface before replacement. Install the ABB FEN-21 68679303 only in the approved ABB drive option slot. Follow the manufacturer's system documentation for power isolation, grounding, wiring, configuration and commissioning.
This FEN-21 module receives resolver feedback for motor speed and position control in ABB drives.
Match the F-series interface, option slot, resolver wiring and drive configuration before installation.
Isolate the drive, label feedback conductors, restore the module and verify scaling, direction and position feedback.
Confirm the complete article number FEN-21 68679303, the description “Resolver Interface Module” and the installed configuration. The supplied unit marking, revision and associated interfaces should agree before replacement.
Match the documented system (F-series encoder interfaces), connection or mounting arrangement and service scope. Do not substitute by physical similarity alone.