{"product_id":"epro-mms3120-022-100-dual-channel-vibration-transmitter","title":"Epro MMS3120\/022-100 Dual Channel Vibration Transmitter","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Emerson EPRO\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMS3120\/022-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a dual-channel vibration monitoring module developed for continuous condition monitoring and protection of rotating machinery within the MMS3000 system. It processes vibration and displacement signals from field sensors and converts them into standardized outputs for integration with PLC and DCS platforms.\u003c\/p\u003e\n\u003cp\u003eDesigned for high-reliability environments, the module supports both absolute and relative vibration measurement depending on the connected sensor type. It is widely used in critical equipment such as turbines, compressors, pumps, and gear-driven systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMMS3120\/022-100\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eperforms real-time signal acquisition, conditioning, and evaluation across two independent measurement channels. Each channel can be configured separately or used together for comparative or redundant monitoring.\u003c\/p\u003e\n\u003cp\u003eThe module incorporates onboard diagnostics to continuously verify sensor integrity, signal quality, and internal electronics status. Alarm and trip outputs are generated when predefined thresholds are exceeded, enabling direct integration into machinery protection schemes.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eMeasurement Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMeasurement modes:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVibration velocity (mm\/s)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisplacement (µm peak-to-peak)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaximum value selection between channels (configurable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eMeasurement ranges:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVelocity: up to 100 mm\/s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDisplacement: up to 500 µm (extended range depends on sensor type)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency response: 0.5 Hz to 10 kHz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMeasurement accuracy: typically ±1% of full scale\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResolution: up to 0.01 µm (depending on configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSensor Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSeismic vibration sensors (e.g., PR9268 series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEddy-current proximity probes (e.g., PR6422 \/ PR6423 series)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible configuration allows mixed sensor types depending on application requirements\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupply voltage:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e24 V DC (18–31.2 V DC operating range)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDual redundant inputs supported for high-availability systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eAnalog outputs:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTwo independent 0\/4–20 mA outputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional 0–10 V signal output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eDigital \/ relay outputs:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 5 configurable outputs (Alert, Danger, OK, Trip)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eCommunication interfaces:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRS-485 (Modbus RTU)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptional fieldbus modules (e.g., Profibus DP or Ethernet variants)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature: –20 °C to +70 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHousing protection: IP65 (industrial enclosure version)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for continuous operation in high-vibration industrial environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for installation in harsh process areas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMechanical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDimensions: 127.5 × 125.8 × 80 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlternative housing formats available depending on system configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1.2 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLower weight variants available for board-level integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eMounting options:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDIN rail installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePanel mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMMS3000 rack integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDual-channel independent monitoring architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated microprocessor for advanced signal processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eContinuous self-diagnostics for sensor and module status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAPI 670-aligned machinery protection functionality\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRedundant power input support for critical systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible communication and integration with SCADA\/PLC 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 turbine vibration monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompressor radial and axial vibration analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump and fan condition monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGearbox vibration and bearing condition tracking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation and petrochemical plant machinery protection\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\u003eQ: Can the module handle different sensor types simultaneously?\u003c\/strong\u003e\u003cbr\u003eA: Yes, depending on configuration, it supports both seismic and eddy-current sensors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it support redundant power supply?\u003c\/strong\u003e\u003cbr\u003eA: Yes, dual 24 V DC inputs are supported for high-reliability systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What communication protocols are available?\u003c\/strong\u003e\u003cbr\u003eA: Standard RS-485 Modbus RTU is included, with optional fieldbus support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for safety-critical applications?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is designed in line with API 670 requirements for machinery protection.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43222509092954,"sku":"MMS3120\/022-100","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/MMS3120022-1002.jpg?v=1776329524","url":"https:\/\/www.plcmasters.com\/products\/epro-mms3120-022-100-dual-channel-vibration-transmitter","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}