{"product_id":"ndbu-95-63985252d-abb-branching-unit-drives-series","title":"NDBU-95 63985252D ABB Branching Unit Drives Series","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB NDBU-95\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNDBU-95\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDDCS Branching Unit, operates as a dedicated hardware component for optical signal fan-out and multi-channel drive network distribution within ABB Drives architectures.\u003c\/p\u003e\n\u003ch3\u003eSystem Classification \u0026amp; Part Cross-Reference\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary Product Model:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNDBU-95\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpare Part Designation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e63985252D\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFunctional Topology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1-to-9 Channel Plastic Optical Fiber (POF) Splitter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCoating Variant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNDBU 95-COAT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNDBU-95\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eABB\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.7 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e26.3 x 9.5 x 5.3 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Master Channel \/ 9 Branch Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTransmission Medium\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePlastic Fiber Optic Cable\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOptical Bus Topology \u0026amp; Deterministic Drive Execution\u003c\/h3\u003e\n\u003cp\u003eThe NDBU-95 branching unit splits incoming Distributed Drives Communication System (DDCS) optical signals across up to nine downstream drive channels without altering data telegram structures. Supporting high backplane bus communication velocity across fiber topologies, the module maintains firmware flash compatibility with master controllers such as the AC800M or legacy drive controller platforms. Optical routing eliminates electromagnetic susceptibility across long cable runs, maintaining deterministic signal propagation without inducing transmission delays or noise corruption.\u003c\/p\u003e\n\u003ch3\u003ePackage Delivery Contents\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x ABB NDBU-95 DDCS Branching Unit (63985252D)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSite Installation \u0026amp; Fiber Routing Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMount the unit securely to the interior enclosure mounting plate using standard DIN fasteners.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure plastic optical fiber (POF) cables maintain a minimum bending radius to prevent optical attenuation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClean POF connector end-faces prior to inserting them into master or branch transceiver sockets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePush optical connectors firmly into place until mechanical snaps engage cleanly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eKeep unused optical ports sealed with protective dust caps to prevent ambient dirt accumulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Clarifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the NDBU-95 require external power input for optical signal splitting?\u003c\/p\u003e\n\u003cp\u003eDepending on the specific system configuration, internal active transceiver electronics derive operating power from connected master controller interfaces or external 24 VDC auxiliary loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan plastic optical fiber (POF) be interchanged with hard-clad silica (HCS) fiber on this unit?\u003c\/p\u003e\n\u003cp\u003eNo. The transceivers on the NDBU-95 are specifically calibrated for plastic fiber optic (POF) cable attenuation and wavelength characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum number of drive channels can one NDBU-95 module serve?\u003c\/p\u003e\n\u003cp\u003eThe unit features 9 individual branch channels, allowing a single master DDCS port to distribute signals to 9 separate follower drive units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs live hot-swapping of fiber cables permitted on active DDCS networks?\u003c\/p\u003e\n\u003cp\u003eUnplugging active optical channels will disrupt drive communication loops, generating instant communication fault trips on the master controller.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat primary transmission protocol does the NDBU-95 branching unit route?\u003c\/p\u003e\n\u003cp\u003eThe unit routes high-speed DDCS (Distributed Drives Communication System) serial optical telegrams between master controllers and variable speed drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are field signal connections physically secured to the unit frame?\u003c\/p\u003e\n\u003cp\u003ePlastic optical fiber cables attach via snap-in optical connectors that plug directly into the board-mounted transmitter and receiver housings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the transport envelope specifications for the NDBU-95?\u003c\/p\u003e\n\u003cp\u003eThe unit package measures 26.3 x 9.5 x 5.3 cm with an overall shipping weight of 0.7 kg.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the unit require manual software or parameter configuration during replacement?\u003c\/p\u003e\n\u003cp\u003eNo. The NDBU-95 acts as a hardware-level optical distribution node, requiring no local software parameter setup or IP address assignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021160108205,"sku":"NDBU-95 63985252D","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/abb_ndbu-95_63985252d_3.jpg?v=1787449465","url":"https:\/\/www.maxwellplc.com\/ru\/products\/ndbu-95-63985252d-abb-branching-unit-drives-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}