{"product_id":"bently-nevada-3500-50m-tachometer-module","title":"Module tachymètre Bently Nevada 3500\/50M","description":"\u003cp style=\"color: #2d3748;\"\u003eThe \u003cstrong\u003eBently Nevada 3500\/50M\u003c\/strong\u003e is a 2-channel instrument engineered for machinery protection that processes electrical signals from proximity probes or magnetic pickups to evaluate critical shaft parameters. This microprocessor-based module continuously tracks absolute shaft rotative speed, rotor acceleration, or operational phase direction, automatically validating digital measurements against programmable internal setpoints to actuate alert and danger statuses across the 3500 rack network interface.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eIntegrated Phase Synchronization:\u003c\/strong\u003e Configurable to condition transducer source waveforms and supply verified Keyphasor pulses directly across the passive backplane, eliminating the technical necessity for an independent Keyphasor controller card.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003ePeak Hold Operational Registers:\u003c\/strong\u003e Internal memory matrices autonomously log and capture peak rotative velocity, extreme reverse velocity parameters, and absolute cumulative reverse rotation counts.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eDual Transducer Compatibility:\u003c\/strong\u003e Direct multi-mode operational hardware matches impedance standards for standard eddy current proximity systems and self-generating magnetic sensor pickups.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eDedicated Hardware Watchdogs:\u003c\/strong\u003e Onboard circuit logic continuously updates independent front-panel OK, TX\/RX, and Bypass status indicators to give immediate physical health confirmation.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eAdjustable Alarm Time Delays:\u003c\/strong\u003e Supports discrete field configuration for Alarm 1 interval structures (1 to 60 seconds in 1-second increments) and Alarm 2 mechanisms (1 to 60 seconds in 0.1-second increments).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px;\"\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTurbomachinery Diagnostics:\u003c\/strong\u003e Continuous velocity monitoring and acceleration assessment on industrial steam turbines, heavy gas turbines, and process centrifugal compressors.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eReverse Rotation Mitigation:\u003c\/strong\u003e Real-time detection of process backflow conditions in high-capacity fluid pumping systems and multi-stage gas expander trains.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eStartup and Coast-Down Profiling:\u003c\/strong\u003e Tracking critical rotor acceleration rates during transient operations through machine critical speeds.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003cstrong\u003eTurning Gear Interlocking:\u003c\/strong\u003e Safe zero-speed confirmation loops to allow automation systems to authorize automatic turning gear clutch engagement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eOrdering Information\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%;\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eOption Code\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eSelection Parameter Detail\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\" colspan=\"2\"\u003e3500\/50-AA-BB Base Assembly\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eAA - 01\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eI\/O Module with Internal Terminations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eAA - 02\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eI\/O Module with External Terminations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eAA - 04\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eI\/O Module with Internal Barriers and Internal Terminations\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eBB - 00\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHazardous Area Approval: None\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eBB - 01\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHazardous Area Approval: CNRTLus (Class I, Division 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold; padding-left: 20px;\"\u003eBB - 02\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eHazardous Area Approval: ATEX\/IECEx\/CSA (Class I, Zone 2)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%;\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eParameter Category\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eEngineering Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSignal Input Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAccepts up to 2 transducer signals\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Voltage Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+10.0 V to -24.0 V (internally limited)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Impedance Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e20 kOhm (standard), 40 Ohm (TMR), 7.15 kOhm (Internal Barrier)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e5.8 Watts typical\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eTransducer Supply Output\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 Vdc, 40 mA maximum current per channel\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eAnalog Recorder Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+4 to +20 mA proportional; 0 to +12 Vdc across 0 to 600 Ohm load\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eFull Scale Maximum Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e99,999 rpm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMaximum Tracking Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e20 kHz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMinimum Tracking Frequency\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eProximity: 0.0167 Hz (1 rpm for 1 event\/rev); Magnetic Pickups: 3.3 Hz\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRPM Measurement Accuracy\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnder 100 rpm: plus\/minus 0.1 rpm; 100 to 10,000 rpm: plus\/minus 1 rpm; Over 10,000 rpm: plus\/minus 0.01% of true speed\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMain Board Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStandard I\/O Board Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMain Board Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.82 kg (1.8 lb)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStandard I\/O Board Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.20 kg (0.44 lb)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature Limits\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-20 Celsius to +65 Celsius (T4 thermal threshold classification)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBently Nevada (A Baker Hughes Company)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUnited States\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1.48 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e315 mm x 295 mm x 90 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 5px;\"\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 20px; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e This instrument is restricted to machinery asset health monitoring and logical warning annunciation tasks only. DO NOT deploy the 3500\/50M module as a standalone device or embedded component in primary emergency overspeed trip loops. It does not possess the structural response speed or protective design redundancy needed for definitive emergency engine or turbine shutdown control. Remove all primary rack power input channels before physically working with backplane components.\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 15px; display: flex; align-items: flex-start;\"\u003e\n  \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/span\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWear a functional electrostatic discharge (ESD) strap connected to the metal chassis framework before handling the main processing boards to mitigate internal semiconductor layer failures.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 15px; display: flex; align-items: flex-start;\"\u003e\n  \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/span\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAlign and secure the Tachometer Main Module into any full-height front slot placement inside the 3500 rack structure, driving the guide paths home until the seat triggers completely.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 15px; display: flex; align-items: flex-start;\"\u003e\n  \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/span\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eSlide the matching Tachometer I\/O Module into the identical slot coordinate at the back of the card rack. Fully tighten the physical retaining screws into the rear mounting plate.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 15px; display: flex; align-items: flex-start;\"\u003e\n  \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e4\u003c\/span\u003e\n  \u003cp style=\"color: #2d3748; margin: 0;\"\u003eTerminate the field sensor cables directly into the rear I\/O compression blocks. If configuring low-speed alerts, zero speed updates, or reverse direction detection protocols, avoid magnetic pickups as their low-voltage envelope below threshold targets will impair speed measurement accuracy.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666541441387,"sku":"3500\/50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-3500-50-discrete-internal-barrier-i-o-module-nfgwlk4n5ui_05382e1f-085d-4aa4-9808-0c89cdcff61b.jpg?v=1765440472","url":"https:\/\/www.plcprotech.com\/fr\/products\/bently-nevada-3500-50m-tachometer-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}