{"product_id":"3500-20-125744-02-bently-nevada-3500-series-rack-interface-module","title":"3500\/20 125744-02 Bently Nevada 3500 Series Rack Interface Module","description":"\u003cp\u003eConfigured for rack-level communication management in the Bently Nevada 3500 monitoring platform, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3500\/20 125744-02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e3500\/20\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRack Interface Module) provides direct physical and serial communication execution. The module functions as the primary communication gateway between the 3500 rack and external configuration, diagnostic, and data acquisition systems through RS232 serial interfaces and Hayes AT-compatible communication protocols.\u003c\/p\u003e\n\u003ch3\u003eConfiguration Overview\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3500\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpare Model\u003c\/td\u003e\n\u003ctd\u003e125744-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRack Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003e3500 System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.84 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.5 x 25 x 24 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.75 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunications Standard\u003c\/td\u003e\n\u003ctd\u003eRS232 Serial Communications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e38.4 k baud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHayes AT-Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e14.4 k baud maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirect Cable Length\u003c\/td\u003e\n\u003ctd\u003e2.1 m maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Communication Distance\u003c\/td\u003e\n\u003ctd\u003e1200 m maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlace of Shipment\u003c\/td\u003e\n\u003ctd\u003eXiamen, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRotor Monitoring Communication Architecture\u003c\/h3\u003e\n\u003cp\u003eWithin a 3500 machinery protection system, the Rack Interface Module serves as the communication endpoint for configuration software, event retrieval, and rack diagnostics. The module supports data exchange required for machinery condition monitoring, including rotor dynamic measurements, vibration monitoring records, and system status information generated by installed monitor modules.\u003c\/p\u003e\n\u003cp\u003eFor eddy-current probe based monitoring systems, communication integrity between the rack and host workstation is necessary for probe scaling verification, alarm configuration management, and gap voltage validation procedures. During commissioning, probe systems are commonly verified against target gap voltages approaching -10 VDC according to standard Bently Nevada installation practices.\u003c\/p\u003e\n\u003ch3\u003eTechnical Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 3500\/20 perform vibration signal processing?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. Signal processing is performed by the installed monitor modules. The 3500\/20 functions as the rack communication interface and system management module.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module communicate through external modems?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes. The module supports Hayes AT-compatible communication devices within the specified baud rate limitations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum direct RS232 cable length?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe specified direct cable length is 2.1 m. Extended communication distances up to 1200 m may be achieved through supported communication hardware and infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the 3500\/20 required for rack configuration?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Rack Interface Module provides the primary communication path used for rack setup, diagnostics, and configuration activities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module require calibration during installation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module itself does not require measurement calibration. Verification is typically limited to communication functionality, rack recognition, and network connectivity.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation Recommendations\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDe-energize the rack before inserting or removing the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify correct slot assignment according to the 3500 rack configuration documentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain separation between communication wiring and high-energy power conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded communication cables where electromagnetic interference is present.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBond cable shields according to plant grounding standards and avoid multiple shield grounding points unless specified by site engineering practices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm communication settings before establishing host connections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect rack connectors and backplane interfaces for contamination or mechanical damage before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerform communication verification and rack status checks after power-up.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Bently Nevada 3500\/20 Rack Interface Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Protective anti-static packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumentation availability subject to shipment configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional rack components and monitor modules supplied separately\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDelivery time: 2-7 days when payment finish\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShipment via DHL, FedEx, or UPS depending on destination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAnti-static industrial packaging with protective cushioning materials\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExport packing suitable for international industrial equipment transportation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndividual module protection against electrostatic discharge during transit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026882973869,"sku":"3500\/20","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/350070m-1_60b7fd3b-6c30-4811-808c-125207818214.jpg?v=1780048977","url":"https:\/\/www.maxwellplc.com\/products\/3500-20-125744-02-bently-nevada-3500-series-rack-interface-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}