{"product_id":"3500-72m-bently-nevada-176449-08-stainless-steel-datasheet-manual","title":"3500\/72M Bently Nevada 176449-08 Stainless Steel Datasheet Manual","description":"\u003ch2\u003eBently Nevada 3500\/72M 176449-08 Reciprocating Compressor Monitor\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada 176449-08\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e3500\/72M\u003c\/strong\u003e Reciprocating Compressor Monitor, operates as a dedicated hardware component for continuous rod position and rod drop tracking within the 3500 Machinery Protection System. The module provides direct physical\/electrical execution, converting linear displacement data from proximity probes into real-time metrics to monitor rider band wear on reciprocating machinery.\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\/72M (Part Number: 176449-08)\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\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\u003e1.13 kg (2.5 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25.4 cm x 12.7 cm x 7.62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating 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\u003ePower supplied via main rack backplane; 24 VDC Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonitoring Channels\u003c\/td\u003e\n\u003ctd\u003e4 independent channels per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Output\u003c\/td\u003e\n\u003ctd\u003e0-10 VDC proportional analog output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003eWithin +-1% of full-scale range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003e300-series Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Conditioners\u003c\/td\u003e\n\u003ctd\u003eSupports Proximitor sensor inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Layout\u003c\/td\u003e\n\u003ctd\u003eCompatible with Triple Modular Redundant (TMR) loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMachinery Monitoring \u0026amp; Eddy-Current Probe Calibration\u003c\/h3\u003e\n\u003cp\u003eThe four-channel monitor interfaces directly with external eddy-current Proximitor sensors to manage rod drop and instantaneous position tracking. The internal processing logic requires precise eddy-current probe scaling to convert the raw negative voltage feedback into physical engineering units. During commissioning, engineering steps enforce strict gap voltage validation targeting a nominal -10 VDC baseline, aligning the sensor within the linear calibration curve. This configuration suppresses signal cross-talk across adjacent cylinder lines, allowing the system to isolate true rod deflection from structural high-frequency vibration during the piston stroke.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can a single 3500\/72M module monitor different parameters on different channels concurrently?\u003c\/strong\u003e A: Yes. The 4 independent channels can be configured individually via the 3500 Rack Configuration Software. A single module can process rod drop measurements on channels 1 and 2 while dedicating channels 3 and 4 to instantaneous position or crosshead vibration analysis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What safety actions occur if the module loses its connection to a Proximitor sensor?\u003c\/strong\u003e A: The monitor continuously runs internal hardware diagnostics. If a field wiring open-circuit or probe failure occurs, the channel invalidates the current readings, drives the status to a NOT OK state, and inhibits the specific Alert and Danger relays to prevent a false machinery trip.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion and Fastening\u003c\/strong\u003e: Seat the 176449-08 module into its assigned chassis slot along the card guides. Push firmly until the backplane connectors seat completely, then tighten the integrated stainless steel panel screws to establish a solid ground bond to the rack frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProximitor Cable Shielding\u003c\/strong\u003e: Terminate all Proximitor sensor cable shields at the designated instrumentation ground bar within the monitoring rack enclosure. Do not ground the coaxial shield at both ends to prevent creating circulating ground loops that distort the calibrated gap voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Routing Constraints\u003c\/strong\u003e: Run all sensor transducer extensions inside dedicated, grounded metal conduits. Ensure these lines do not run parallel to heavy AC power wiring or variable speed drive conductors to prevent electromagnetic noise injection into the low-voltage probe lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 Seal Verification\u003c\/strong\u003e: To maintain the IP67 protection class rating in environments with humidity or dust, ensure that all mating connectors are fully torqued and that the stainless steel outer gasket seals tightly against the rear panel faceplate.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":42870829776986,"sku":"3500\/72M 176449-08","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/50.1_43a1108c-dd3c-4bd1-a07a-65ede8e9e527.jpg?v=1772423504","url":"https:\/\/www.spareoil.com\/products\/3500-72m-bently-nevada-176449-08-stainless-steel-datasheet-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}