{"product_id":"abb-ndcu-33cx-rotor-side-converter-drive-control-unit","title":"ABB NDCU-33CX Rotor-Side Converter Drive Control Unit","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe ABB NDCU-33Cx is a drive control unit used for rotor-side converter control in ABB ACS800 wind turbine converter systems. The documented assembly consists of an NIOC-02C board and an AM33C control board. It controls the rotor-side converter and communicates with the associated power modules through a fiber-optic link.\u003c\/p\u003e\n\u003ch3\u003eCore Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: ABB\u003c\/li\u003e\n\u003cli\u003eProduct type: Drive control unit\u003c\/li\u003e\n\u003cli\u003eModel designation: NDCU-33Cx\u003c\/li\u003e\n\u003cli\u003eIncluded boards: NIOC-02C and AM33C\u003c\/li\u003e\n\u003cli\u003eApplication: ACS800 wind turbine converters\u003c\/li\u003e\n\u003cli\u003eConverter position: Rotor-side converter\u003c\/li\u003e\n\u003cli\u003ePower module communication: Fiber-optic link through the applicable branching unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for rotor-side converter control.\u003c\/li\u003e\n\u003cli\u003eCombines the NIOC-02C and AM33C board architecture.\u003c\/li\u003e\n\u003cli\u003eSupports communication with converter power modules through fiber optics.\u003c\/li\u003e\n\u003cli\u003eProvides analog, digital, relay, and DDCS interface connections documented for the control unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich converter does it control?\u003c\/strong\u003e It controls the rotor-side converter in the documented ACS800 wind turbine configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich boards form the unit?\u003c\/strong\u003e The documented NDCU-33Cx consists of NIOC-02C and AM33C boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does it communicate with power modules?\u003c\/strong\u003e It uses a fiber-optic link distributed through the applicable optical branching unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the converter model and rotor-side control arrangement.\u003c\/li\u003e\n\u003cli\u003eRecord board references, fiber connections, and control wiring.\u003c\/li\u003e\n\u003cli\u003eIsolate the converter and follow the ABB service procedure.\u003c\/li\u003e\n\u003cli\u003eInstall the matching NDCU-33Cx assembly and reconnect the fiber-optic interfaces.\u003c\/li\u003e\n\u003cli\u003eVerify communication, control signals, and converter diagnostics.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCheck the full NDCU-33Cx marking and board combination.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with the installed ACS800 converter configuration.\u003c\/li\u003e\n\u003cli\u003eConfirm the NIOC-02C and AM33C hardware versions.\u003c\/li\u003e\n\u003cli\u003eCheck fiber-optic routing and branching unit compatibility before replacement.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":67942023462979,"sku":"NDCU-33CX","price":127.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/NDCU-33CX_f7450ded-48c4-446d-87ab-44606b80a2af.jpg?v=1794381712","url":"https:\/\/www.plcdcspro.com\/products\/abb-ndcu-33cx-rotor-side-converter-drive-control-unit","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}