{"product_id":"epro-mma3311-022-100-shaft-vibration-monitor-module","title":"Epro MMA3311\/022-100 Shaft Vibration Monitor Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMA3311\/022-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a compact shaft vibration monitoring unit from Epro (Emerson MMA3000 series), developed for machinery protection in low-channel applications. It is designed to measure relative shaft vibration using eddy current proximity probe technology and convert the signal into standardized outputs for control and protection systems.\u003c\/p\u003e\n\u003cp\u003eThis module is typically deployed on turbines, compressors, pumps, and fan systems where continuous shaft condition monitoring is required within a compact architecture.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eMeasurement Principle\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe device evaluates shaft vibration based on non-contact eddy current displacement measurement. The raw probe signal is conditioned internally, filtered, and converted into proportional electrical outputs for further processing in PLC or DCS systems.\u003c\/p\u003e\n\u003cp\u003eIts configuration allows adaptation to different machine dynamics through adjustable filtering and alarm parameters.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMA3311\/022-100\u003c\/strong\u003e\u003cbr\u003eManufacturer: Epro (Emerson MMA3000 Series)\u003cbr\u003eProduct Type: Shaft Vibration Monitoring Module\u003c\/p\u003e\n\u003cp\u003eSensor Input Type:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEddy current displacement probes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible series: PR6422, PR6423, PR6424, PR6425, PR6426\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMeasurement Type: Relative shaft vibration\u003c\/p\u003e\n\u003cp\u003eFrequency Response:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-pass filter: 5 Hz \/ 10 Hz \/ 15 Hz selectable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-pass filter: 50 Hz to 1500 Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOutput Signals:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e4–20 mA analog current loop\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfigurable alarm relays\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdditional programmable function outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfiguration Method: Software-based parameter setup for scaling, alarms, and output logic\u003c\/p\u003e\n\u003cp\u003eElectrical Interface: Harting industrial connector system\u003c\/p\u003e\n\u003cp\u003eMechanical Characteristics:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCompact housing for space-limited installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShock resistance up to 20 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePower Supply: 24 V DC\u003c\/p\u003e\n\u003cp\u003eMounting Style: Cabinet or machine-mounted installation\u003c\/p\u003e\n\u003cp\u003eEnvironmental Design: Industrial-grade construction for vibration, heat, and EMI resistance\u003c\/p\u003e\n\u003cp\u003eStandards Compliance: Designed for API 670 aligned machinery protection systems\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDedicated relative shaft vibration measurement for rotating equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible software configuration for multiple machine types\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable analog and alarm outputs for protection system integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact design optimized for low-channel monitoring setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh mechanical durability for harsh industrial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with standard eddy current probe infrastructure\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\u003eSmall gas and steam turbines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCentrifugal and process compressors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial pump systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFans and auxiliary rotating equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact machinery protection and condition monitoring systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of vibration does this module measure?\u003c\/strong\u003e\u003cbr\u003eIt measures relative shaft vibration using eddy current displacement probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich sensors are supported?\u003c\/strong\u003e\u003cbr\u003eIt supports PR6422 to PR6426 eddy current probe series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan system parameters be changed after installation?\u003c\/strong\u003e\u003cbr\u003eYes, all measurement ranges, filters, and alarms are software configurable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for large monitoring systems?\u003c\/strong\u003e\u003cbr\u003eNo, it is designed for compact or low-channel machinery applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support alarm output functions?\u003c\/strong\u003e\u003cbr\u003eYes, it provides configurable relay and alarm outputs in addition to 4–20 mA signal.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43242827874394,"sku":"MMA3311\/022-100","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/MMS3120022-0002.jpg?v=1776674676","url":"https:\/\/www.plcmasters.com\/uk\/products\/epro-mma3311-022-100-shaft-vibration-monitor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}