{"product_id":"power-input-module-bently-nevada-115m7750-01-3500-series","title":"Power Input Module | Bently Nevada 115M7750-01 3500 Series","description":"\u003ch2\u003eBently Nevada 115M7750-01 3500 Series Power Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 115M7750-01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/15\u003c\/strong\u003e High Voltage DC Power Input Module (PIM), operates as a dedicated hardware component for converting station DC supply into regulated backplane voltages within Bently Nevada 3500 Machinery Protection System racks. Accepting an input range of 88 to 140 VDC, this power interface module delivers filtered DC power directly across the rack backplane bus while executing input-to-output galvanic isolation and transient suppression.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3500\/15 (115M7750-01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBently Nevada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e241 mm x 49 mm x 242 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEfficiency \u0026gt;=85% typical (2.5 A maximum input current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88 to 140 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-5% load and line regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Ripple\/Noise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;=500 mV p-p\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 kVDC (Input to Output), 1 kVDC (Output to Chassis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Circuitry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOvercurrent, over-temperature, reverse polarity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAPI 670, CE, UL, ATEX compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eRotor Dynamics and Gap Voltage Validation Parameters\u003c\/h3\u003e\n\u003cp\u003eThe 115M7750-01 Power Input Module conditions incoming DC power feeds to eliminate line ripple that could degrade dynamic signal monitoring in adjacent 3500 slots. By delivering ripple-free DC power to Proximitor sensor interface cards, the unit ensures stable eddy-current probe scaling (200 mV\/mil or 7.87 V\/mm) and maintains precise probe gap voltage validation (-10 VDC targets) across all installed monitoring channels. Integrated electromagnetic interference (EMI) filtering suppresses cross-talk and high-frequency noise transients, maintaining clean power rails so secondary vibration modules can accurately analyze shaft centerline displacement and rotor dynamics without false signal artifacts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can maintenance personnel hot-swap the 115M7750-01 PIM while the 3500 rack remains energized?\u003c\/p\u003e\n\u003cp\u003eA: Yes, in dual-redundant power configurations, personnel can hot-swap a single 115M7750-01 module while the rack continues operating on the secondary PIM supply without disrupting machinery protection monitoring.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 115M7750-01 accept AC input voltage directly from plant mains?\u003c\/p\u003e\n\u003cp\u003eA: No, this module accepts high-voltage DC input exclusively (88 to 140 VDC). AC supply applications require the AC-specific version of the 3500\/15 Power Input Module.\u003c\/p\u003e\n\u003cp\u003eQ: Does the 115M7750-01 require manual voltage tuning upon field insertion?\u003c\/p\u003e\n\u003cp\u003eA: No, the module arrives factory-calibrated for standard backplane power distributions, although front-panel access allows fine-tuning adjustments up to +\/-15% to compensate for specific rack load configurations.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eWhen installing or replacing the Bently Nevada 115M7750-01 Power Input Module in a 3500 chassis, follow these standard field procedures:\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the incoming station DC supply voltage measures within the rated 88 to 140 VDC range before making electrical connections.\u003c\/li\u003e\n\u003cli\u003eAlign the module card edges with the designated power supply slot guides at the left side of the 3500 rack chassis.\u003c\/li\u003e\n\u003cli\u003eSlide the assembly firmly into the slot until the rear connectors seat securely into the backplane power bus.\u003c\/li\u003e\n\u003cli\u003eTighten the top and bottom captive mounting screws to 0.6 N m torque to ensure solid mechanical grounding to the chassis frame.\u003c\/li\u003e\n\u003cli\u003eSecure high-voltage DC supply wiring to the rear terminal connections, ensuring correct polarity and applying strain relief to prevent mechanical stress on terminals.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":43092611235930,"sku":"115M7750-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/292_d7a9ac59-ee32-4ee3-aec7-eec9210665d8.jpg?v=1774250691","url":"https:\/\/www.spareoil.com\/products\/power-input-module-bently-nevada-115m7750-01-3500-series","provider":"SpareOil Automation","version":"1.0","type":"link"}