{"product_id":"149844-01-bently-nevada-3500-system-rotor-kit-motor-speed-control","title":"149844-01 Bently Nevada 3500 System Rotor Kit Motor Speed Control","description":"\u003cp\u003eConfigured for precise rotational velocity regulation in machinery testing platforms, the \u003cstrong\u003eBently Nevada 149844-01\u003c\/strong\u003e (\u003cstrong\u003e149844-01\u003c\/strong\u003e Rotor Kit Motor Speed Control) provides direct physical and electrical execution of speed demand signals.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003e149844-01\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.78 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e28 x 28 x 3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 to 30 VDC peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse Frequency\u003c\/td\u003e\n\u003ctd\u003e1 Hz to 20,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1 % of reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics \u0026amp; Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe RK4 controller utilizes high-frequency pulse counting to regulate rotor velocity, maintaining target speeds through precise adjustment of motor excitation. System performance depends on rigorous gap voltage validation of the speed sensing probes; deviations from -10 VDC targets can introduce phase shift or trigger spurious pulse counts. By incorporating integrated rotor dynamics feedback, the unit suppresses electrical noise across the pulse train, ensuring stable RPM data even in high-density electromagnetic environments. The system effectively manages cross-talk suppression between speed input channels to ensure deterministic control performance.\u003c\/p\u003e\n\u003ch3\u003eOrdering Info\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 149844-01 Rotor Kit Motor Speed Control\u003c\/li\u003e\n\u003cli\u003e1 Technical instruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Connection: Apply a stable 5 to 30 VDC peak signal source to the primary input terminals, ensuring wire runs are twisted-shielded to prevent RFI\/EMI ingestion.\u003c\/li\u003e\n\u003cli\u003eOutput Termination: Wire the 4-20 mA analog output to the control system input, ensuring loop resistance remains within specified limits to maintain signal fidelity.\u003c\/li\u003e\n\u003cli\u003eMounting: Fix the controller to a rigid, vibration-isolated surface to prevent mechanical stress on the PCB components.\u003c\/li\u003e\n\u003cli\u003eGrounding: Terminate all coaxial cable shields at a centralized signal ground reference point to maintain immunity against ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eIs this controller compatible with external PLCs?\u003c\/p\u003e\n\u003cp\u003eYes, the 4-20 mA analog output is designed to interface with standard PLC analog input cards for real-time speed monitoring and closed-loop control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the impact of exceeding the 20,000 RPM limit?\u003c\/p\u003e\n\u003cp\u003eExceeding the rated speed limit will cause the controller to reach its maximum pulse frequency count, resulting in signal saturation and invalid RPM data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the pulse frequency range be adjusted by the user?\u003c\/p\u003e\n\u003cp\u003eNo. The frequency range is factory-set to accommodate standard speed sensor pulse trains and is not subject to field modification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the device support hot-swapping?\u003c\/p\u003e\n\u003cp\u003eNo. Power must be fully disconnected from the control loop before service or removal to prevent electrical surges from damaging the internal circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens if the input voltage drops below 5 VDC?\u003c\/p\u003e\n\u003cp\u003eThe controller will fail to reliably detect pulse transitions, leading to intermittent speed readings or total loss of RPM data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAre there specific requirements for the speed sensor type?\u003c\/p\u003e\n\u003cp\u003eThe input is optimized for proximity-based pulse sensors; sensor output must meet the 5-30 VDC peak voltage swing requirement for reliable triggering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does high humidity affect performance?\u003c\/p\u003e\n\u003cp\u003eThe device is rated for 5-95 % RH; however, non-condensing conditions must be maintained to prevent leakage paths on the PCB assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the 0.1 RPM resolution constant across the range?\u003c\/p\u003e\n\u003cp\u003eYes, the measurement architecture maintains a consistent 0.1 RPM resolution across the full 0-20,000 RPM operating spectrum.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":46026780082349,"sku":"149844-01","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/149844-01_13.jpg?v=1783410849","url":"https:\/\/www.maxwellplc.com\/ga\/products\/149844-01-bently-nevada-3500-system-rotor-kit-motor-speed-control","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}