{"product_id":"epro-a6140-shaft-vibration-monitor-module","title":"Epro A6140 Shaft Vibration Monitor Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Emerson EPRO AMS 6500 series\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA6140\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dual-channel vibration monitoring module designed for high-integrity rotating machinery protection. It is engineered for continuous measurement of absolute shaft vibration by correlating proximity probe displacement signals with casing-mounted seismic sensor inputs. The module operates within the AMS 6500 platform and is widely applied in critical asset protection systems requiring API 670-aligned monitoring performance.\u003c\/p\u003e\n\u003cp\u003eThis plug-in module is field-replaceable and supports hot-swapping, enabling maintenance without interrupting system operation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMeasurement Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module integrates two independent measurement paths:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eChannel 1 processes shaft relative motion using an eddy-current proximity probe system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChannel 2 evaluates casing vibration through a seismic or piezoelectric accelerometer input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCombined processing mode calculates absolute shaft vibration for enhanced diagnostic accuracy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSignal fusion logic enables correlation between shaft displacement and structural vibration, improving fault detection sensitivity in high-speed rotating equipment.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003eMechanical Data\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModule width: 30 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHeight: 128.4 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDepth: 160 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 0.32 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePlug-in rack-mounted design compatible with AMS 6500 chassis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eElectrical Characteristics\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupply voltage: 24 V DC (system backplane dependent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGalvanic isolation between field inputs and system electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHot-swappable architecture with protected backplane communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow power consumption optimized for continuous monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eEnvironmental Ratings\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature: –40 °C to +70 °C (typical industrial configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHumidity tolerance: 5% to 95% non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMechanical shock resistance: up to 10 g, 11 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration tolerance: up to 1 mm p-p (low frequency range)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProtection class: IP20 (rack installation environment)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInput Channel Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003eChannel 1 – Eddy Current Displacement Input\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSensor type: Non-contact eddy-current proximity probe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput impedance: \u0026gt;100 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating signal range: –1 V to –23 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMeasurement bandwidth: approx. 1 Hz to 2 kHz configurable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOutput sensitivity range: 0–400 mV p-p up to 0–2000 mV p-p\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProbe excitation supply: –26.7 V DC, up to 35 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eChannel 2 – Seismic \/ Accelerometer Input\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSensor type: Piezoelectric or seismic accelerometer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput impedance: \u0026gt;100 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput signal range: –5 V to +15 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDynamic input range: 311 mV p-p to 9.5 V p-p\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency response: 5 Hz to 1 kHz \/ 1.6 kHz selectable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConstant current excitation: 0–8 mA at 30 V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSignal Processing \u0026amp; Functional Modes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRMS, peak, and peak-to-peak measurement modes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndependent dual-channel operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAbsolute vibration computation via combined processing mode\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable filtering for low-frequency shaft dynamics and high-frequency casing vibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable alarm thresholds (Alert \/ Danger levels per channel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous self-diagnostics with front-panel status indication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for AMS 6500 machinery protection architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFully compatible with turbine, compressor, and pump monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReal-time communication with control and shutdown logic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports redundant monitoring configurations in critical asset systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam and gas turbines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial turbo-machinery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed rotating shafts in power generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCritical process pumps requiring API 670 protection compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is measured by the A6140 module?\u003c\/strong\u003e\u003cbr\u003eA: It measures both shaft displacement and casing vibration, then combines both signals to derive absolute shaft vibration behavior.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the module suitable for safety shutdown systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is designed for machinery protection applications compliant with API 670 practices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module be replaced without system shutdown?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports hot-swapping within the AMS 6500 rack system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sensor types are supported?\u003c\/strong\u003e\u003cbr\u003eA: Eddy-current proximity probes and seismic or piezoelectric accelerometers.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43222174629978,"sku":"A6140","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/A6140.jpg?v=1776322922","url":"https:\/\/www.plcmasters.com\/products\/epro-a6140-shaft-vibration-monitor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}