{"product_id":"speed-phase-module-new-bently-nevada-128228-01","title":"Speed \u0026 Phase Module |  New Bently Nevada 128228-01","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 128228-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision Keyphasor* module designed for the 3500 Machinery Protection System. This module provides the essential phase reference signals required for advanced vibration vector analysis, synchronous data acquisition, and rotational diagnostics. By processing raw inputs from proximity probes or magnetic pickups, the 128228-01 generates a clean timing pulse once per revolution. This reference enables the 3500 system to determine precise shaft speed and phase-locked vibration data for turbines, compressors, and large industrial motors. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring full compliance with API 670 phase reference requirements.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 128228-01 utilizes industrial-grade filtering to convert transducer signals into stable, TTL-level timing pulses.\u003c\/p\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\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128228-01\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3500 Machinery Protection System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProximity Probes, Seismic Sensors, Magnetic Pickups\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePhase Reference and Rotational Speed Determination\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTTL-level Timing Pulse to System Backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull Electrical Isolation (Input to System)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–30°C to +65°C (–22°F to +149°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard 3500 Series Rack Internal Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 x 50 x 150 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Fidelity Phase Tracking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 128228-01 converts raw transducer signals into a precise digital timing pulse. This pulse allows the monitoring system to calculate vibration vectors, which are critical for distinguishing between mechanical unbalance, shaft misalignment, and resonance-related faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExceptional Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated industrial-grade filtering and shielding protect the module from electromagnetic interference (EMI). This ensures a stable timing reference even when the input signal comes from sensors located near large motor starters or high-voltage switchgear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Speed Determination:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module facilitates real-time speed monitoring across a wide range of rotational frequencies. It provides the 3500 backplane with instantaneous updates, enabling the system to trigger speed-based alarms or shutdowns with millisecond accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGalvanic Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRobust electrical isolation separates the field-side transducer inputs from the 3500 rack’s sensitive processing electronics. This barrier prevents ground loops and field transients from compromising the integrity of the entire machinery protection system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless Diagnostics Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module enables the synchronous sampling necessary for Orbit plots, Polar plots, and Bode plots. By providing a fixed phase reference, the 128228-01 allows diagnostic software to perform deep-dive analysis into rotor dynamics and transient behavior during machine startup and shutdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary role of the 128228-01 Keyphasor module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt generates the \"Once-Per-Turn\" pulse that acts as the timing baseline for the entire 3500 rack. Without this module, the system cannot perform vector-based vibration analysis or determine the phase angle of machine vibration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module accept inputs from both proximity and seismic sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Depending on the specific system configuration and I\/O pairing, the 128228-01 can process signals from proximity probes (used for phase) and seismic sensors to provide a comprehensive view of machine health.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 128228-01 compatible with all Bently Nevada 3500 racks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 128228-01 is a standard component within the 3500 Machinery Protection System. It installs into a dedicated slot and must be paired with the appropriate I\/O module to provide the physical terminal connections for field wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a magnetic pickup as the input source?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. The module accommodates various transducer types, including magnetic pickups and non-contact proximity probes, provided the sensor generates a detectable pulse once per shaft revolution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":44083700793443,"sku":"128228-01","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/99.2_f7cc6125-4c33-4349-9a45-0dd1172249b1.jpg?v=1774595995","url":"https:\/\/www.autocontrolglobal.com\/products\/speed-phase-module-new-bently-nevada-128228-01","provider":"AutoControl Global","version":"1.0","type":"link"}