{"product_id":"bently-nevada-125744-02-3500-series-rack-interface-module","title":"Bently Nevada 125744-02 3500 Series Rack Interface Module","description":"\u003ch2\u003eBently Nevada 125744-02 3500 Series Rack Interface Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 125744-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/20\u003c\/strong\u003e Rack Interface Module, operates as a dedicated hardware component for rack-level configuration management and internal data arbitration within 3500 Series Machinery Protection System networks.\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\u003e3500\/20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eBently Nevada (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e125744-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRack Interface Module (RIM)\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\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e241 mm x 24.4 mm x 242 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\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\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eProprietary Bently Nevada Protocol, RS232, RS422\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003eUp to 38.4 kbaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Interface\u003c\/td\u003e\n\u003ctd\u003eHigh-speed parallel backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMachinery Monitoring \u0026amp; Cross-Talk Suppression\u003c\/h3\u003e\n\u003cp\u003eThe module coordinates backplane operations across the high-speed parallel bus to maintain phase-coherent data collection. It manages gap voltage validation targets across multiple channels, ensuring that eddy-current probe scaling coefficients remain stable without thermal drift. Advanced cross-talk suppression algorithms isolate high-frequency dynamic rotor dynamics signals from adjacent slots, preventing administrative serialization routines from disrupting time-critical trip multiply commands or primary machine protection loops.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 3500\/20 RIM be hot-swapped while the machinery protection system is live?\u003c\/p\u003e\n\u003cp\u003eA: No. Removing or inserting the 125744-02 module while the rack backplane is energized can interrupt internal configuration streaming and cause momentary communication faults across the entire 3500 rack. Power down the rack before executing physical replacement.\u003c\/p\u003e\n\u003cp\u003eQ: What happens to the protection functions if the 125744-02 fails or is disconnected?\u003c\/p\u003e\n\u003cp\u003eA: The primary protection monitors operate on autonomous internal circuits. If the RIM fails, machinery protection and physical relay trips remain active, but software parameter configuration, System 1 static\/dynamic data buffering, and rack-level diagnostic reporting will halt.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eAlways locate the module in the dedicated full-height slot immediately to the right of the rack power supply modules.\u003c\/li\u003e\n\u003cli\u003eAlign the printed circuit board with the upper and lower chassis guides, then press firmly until the rear connector seats into the internal parallel backplane bus.\u003c\/li\u003e\n\u003cli\u003eTighten the two integrated captive screws on the front panel to secure the hardware; do not use power tools, as torque limits can damage the faceplate.\u003c\/li\u003e\n\u003cli\u003eRoute all serial RS232 and RS422 data cables through separate dedicated industrial wire trays, keeping a minimum clearance from high-voltage motor wiring to prevent electromagnetic induction.\u003c\/li\u003e\n\u003cli\u003eTerminate all communication cable shields at the designated rack ground point using an approved low-impedance termination block.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42870885482586,"sku":"3500\/20 125744-02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/404.jpg?v=1772422114","url":"https:\/\/www.spareoil.com\/products\/bently-nevada-125744-02-3500-series-rack-interface-module","provider":"SpareOil Automation","version":"1.0","type":"link"}