{"product_id":"3500-62-bently-nevada-3500-series-datasheet-technical-manual","title":"3500\/62 Bently Nevada 3500 Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eBently Nevada 3500\/62-04-00 Process Variable Monitor\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 3500\/62-04-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/62\u003c\/strong\u003e Process Variable Monitor, operates as a dedicated hardware component for process signal integration and alarm evaluation within the 3500 Series Machinery Protection System.\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\/62-04-00\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 (Baker Hughes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.45 kg (1.0 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24.4 mm x 241.3 mm x 99.1 mm (0.96 in x 9.50 in x 3.90 in)\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 deg C to 65 deg C (-22 deg F to 149 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 channels per monitor module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC, 1 to 5 VDC, 0 to 5 VDC, or -10 to +10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 Ohm (Current mode) \/ 20 MOhm (Voltage mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e500 Vrms channel-to-channel and channel-to-chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA\/D Conversion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWithin +\/-0.33% of full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUpdate Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 ms all channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTermination Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal Termination matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEddy-Current Probe Scaling \u0026amp; Cross-Talk Suppression\u003c\/h3\u003e\n\u003cp\u003eWhile the module interfaces with standard industrial transmitter signals like pressure and temperature, it utilizes internal 16-bit A\/D conversion pipelines to map voltage ranges up to -10 VDC. The analog front-end implements cross-talk suppression filters across the 6 channels to ensure that static voltage levels from proximity probe drivers or proportional sensors do not corrupt adjacent measurement registers.\u003c\/p\u003e\n\u003cp\u003eThe internal termination architecture routes the raw 4-20 mA or voltage loops directly to high-impedance sensing paths. Data variables are updated synchronously at 100 ms intervals, allowing the internal rack logic to evaluate auxiliary conditions against alarm setpoints while maintaining absolute signal separation under 500 Vrms isolation limits.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 3500\/62-04-00 monitor be removed from the 3500 rack while the machinery protection system is live?\u003c\/strong\u003e \u003cstrong\u003eA: Yes.\u003c\/strong\u003e The module supports hot-swapping under power within the 3500 chassis. However, removing the active monitor immediately disables its 6 input channels and disrupts corresponding protective voting logic, which can trigger downstream trip actions if not bypassed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can a single module process a mix of 4-20 mA current and -10 to +10 VDC voltage inputs simultaneously?\u003c\/strong\u003e \u003cstrong\u003eA: Yes.\u003c\/strong\u003e Each of the 6 channels is independently configurable via the 3500 Rack Configuration Software. The input circuitry shifts between its 250 Ohm current shunt resistor and 20 MOhm voltage impedance paths based on the software parameter selection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the technical behavior of the module if an input line encounters an open-circuit fault?\u003c\/strong\u003e \u003cstrong\u003eA: The hardware detects current drop\u003c\/strong\u003e below the programmable low-scale limit (e.g., \u0026lt;3.6 mA on a 4-20 mA loop). It enters a Not OK state, drives the channel status indicator LED, and bypasses the faulted channel from participating in protective trip logic to avoid false machinery shutdowns.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot and Terminal Alignment:\u003c\/strong\u003e Power down the system if required by local operations or insert directly into an available slot of a live 3500 rack. Ensure the rear internal termination module aligns accurately with the backplane connectors before tightening the front panel thumbscrews.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Shielding and Transmit Traces:\u003c\/strong\u003e Route all 4-20 mA and voltage lines using twisted, shielded instrumentation pairs. Ground the cable shields at a single point, preferably at the 3500 rack chassis earth ground bar, to eliminate potential ground loop currents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Voltage Conduit Segregation:\u003c\/strong\u003e Keep all process variable input lines separated from high-voltage AC power distribution wiring and heavy motor starter links to prevent inductive noise coupling into the 16-bit digitization path.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42870830268506,"sku":"3500\/62-04-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/408._1a380481-6f3b-489a-97d9-6ad557f24cc1.jpg?v=1772426629","url":"https:\/\/www.spareoil.com\/products\/3500-62-bently-nevada-3500-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}