{"product_id":"buy-3500-25-01-01-00-bently-nevada-internal-termination-i-o","title":"Buy 3500\/25-01-01-00 | Bently Nevada Internal Termination I\/O","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3500\/25 (Part Number 3500\/25-01-01-00)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as the specialized phase reference center for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500 Machinery Protection System\u003c\/strong\u003e. This half-height module accepts signals from proximity probes or magnetic pickups to determine the rotational position of a shaft. It processes these raw inputs into conditioned Keyphasor signals and distributes them to other monitor modules within the rack backplane. This synchronization enables advanced diagnostic functions, including filtered vibration measurements, orbit plots, and precise speed tracking. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original in Factory Packing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: 3500\/25-AA-BB-CC\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eOption Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\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\u003e01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNumber of Channels\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSingle half-height 2-channel Keyphasor card\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e01\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eType of I\/O Module\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O module with Internal Terminations\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e00\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAgency Approval\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot required (Standard Industrial)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Value\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\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Independent Keyphasor Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTransducer Types\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProximity Probes, Magnetic Pickups\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 24 V (TTL Compatible)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.017 Hz to 60 kHz (1 to 3,600,000 RPM)\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\u003eConditioned digital pulse for rack backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.1% of input frequency\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\u003e0°C to +60°C (32°F to +140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e–40°C to +85°C (–40°F to +185°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20%–95% non-condensing\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\u003e0.9 kg (Shipping weight 2.0 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\u003ePrecision Phase Synchronization:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3500\/25 provides a high-accuracy timing pulse that synchronizes vibration data with the mechanical rotation of the shaft. This allows engineers to identify phase-related faults such as unbalance, misalignment, and mechanical looseness.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Frequency Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWith a frequency range reaching 60 kHz, the module supports ultra-high-speed assets, including gas turbines and centrifugal compressors. It maintains signal integrity and pulse accuracy even at maximum rotational velocities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Configuration Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe dual-channel architecture allows for redundant Keyphasor inputs. If one sensor fails, the system can automatically utilize the second channel to maintain continuous phase reference and prevent a loss of diagnostic data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternal Termination Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 01 I\/O option features internal terminations, allowing for direct field wiring to the rear of the rack. This eliminates the need for external terminal blocks, reducing cabinet complexity and potential signal interference points.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Signal Distribution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOnce the module conditions the input signal, it places the Keyphasor pulse on the 3500 rack backplane. Every vibration, position, and speed monitor in the rack accesses this pulse simultaneously, ensuring system-wide timing consistency.\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 difference between a standard Keyphasor and the \"Enhanced\" version?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Enhanced 3500\/25 module offers improved signal processing, higher frequency capabilities (up to 60 kHz), and greater flexibility in accepting a wider range of input voltages compared to older legacy versions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for overspeed protection?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the 3500\/25 measures speed and provides phase reference, dedicated overspeed protection usually requires the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3500\/53 Electronic Overspeed Detection System\u003c\/strong\u003e. However, the 3500\/25 frequently provides the speed data used for secondary monitoring and alarm logic.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module occupy a full-height or half-height slot?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 3500\/25 is a half-height module. It requires a 3500 half-height rack slot. If you install it in a full-height slot, you must use a specialized mounting chassis designed for half-height modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I configure the threshold voltage for the pulse?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou set the trigger thresholds and hysteresis values using the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 3500 Rack Configuration Software\u003c\/strong\u003e. This allows you to fine-tune the module to ignore signal noise and only trigger on the actual Keyphasor notch or event.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43190524575834,"sku":"3500\/25","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/429.1_b67e8e4a-42f1-41b8-bff1-1ad3469b39c7.jpg?v=1775616164","url":"https:\/\/www.spareoil.com\/products\/buy-3500-25-01-01-00-bently-nevada-internal-termination-i-o","provider":"SpareOil Automation","version":"1.0","type":"link"}