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Auxiliary PowerThe <strong>AC890</strong> allows you toconfigure the drive using thekeypad or pc without applyingmain powerpc configurationAux24Vsupply+24v+24v0v0vYou can safely check theoperation of the whole systemby supplying just the 24V DCControl power!(An external 24VDC Control Supplywill power the unit for configurationpurposes. It is not required when the3-phase supply is present)
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