{"product_id":"epro-a6824-mms-6000-modbus-axial-shaft-monitor-module","title":"EPRO A6824 MMS 6000 ModBus Axial Shaft Monitor Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEPRO A6824\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision, dual-channel\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAxial Shaft Position and Differential Expansion Monitor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for critical rotating machinery. This module ensures reliable, non-contact measurement of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eshaft axial displacement (thrust)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003erotor-to-casing differential growth\u003c\/strong\u003e, safeguarding turbines, compressors, and pumps from mechanical failure. The module integrates seamlessly with MMS6000 rack systems and supports ModBus communication for easy system integration.\u003c\/p\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\u003e\u003cstrong\u003eDual-Channel Axial Monitoring:\u003c\/strong\u003e\u003cbr\u003eRedundant sensors for thrust monitoring or independent channels for differential expansion measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Trip Logic:\u003c\/strong\u003e\u003cbr\u003eEmergency shutdown triggers in milliseconds if axial displacement exceeds safety thresholds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Gap Sensing:\u003c\/strong\u003e\u003cbr\u003eEddy current probes provide linear displacement measurements, with electronic zeroing for simplified installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Diagnostics:\u003c\/strong\u003e\u003cbr\u003eContinuous sensor supervision, cable health monitoring, and latching alarm memory for transient events.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Integration:\u003c\/strong\u003e\u003cbr\u003eAnalog outputs (0\/4–20 mA) and buffered raw signals for DCS or diagnostic equipment. RS232\/485 interfaces allow full configuration of ranges, delays, and hysteresis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e\u003cbr\u003eOperates in harsh environments with wide temperature range, vibration\/shock resistance, and robust ModBus communication.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eA6824 \/ MMS 6000\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDual-Channel Axial Shaft \u0026amp; Differential Expansion Monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSensor Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEddy Current Sensors (PR6423, PR6424)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMeasurement Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eAxial Thrust, Differential Expansion, Shaft Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2 V\/mm (50.8 mV\/mil) ±1.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAir Gap\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eNominal 5.5 mm (0.22 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eStatic Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e4 mm (0.157 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eTarget Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFerromagnetic steel (42CrMo4 standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMax Shaft Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2500 m\/s (98425 in\/s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e-35°C to 180°C (-31°F to 356°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eTemperature Drift\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u0026lt;0.39% over 4 hours at 200°C (392°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eVibration \u0026amp; Shock\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e5G at 60 Hz, IEC standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e≤ ±1% Full Scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u0026lt;100 ms for alarm triggering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2 × Analog (4–20 mA), 2 × Buffered Raw, 3 × Relays (Alert\/Danger\/OK)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMMS6000 19-inch rack system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eModBus RTU\/ASCII, RS232\/485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThrust Bearing Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrevents axial contact in turbines or compressors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDifferential Expansion Tracking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetects rotor-casing growth during thermal cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMachine Protection Systems:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTriggers rapid shutdown to prevent mechanical damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuffered signals for vibration analyzers or advanced monitoring tools.\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 this module be used for both axial thrust and differential expansion?\u003c\/strong\u003e\u003cbr\u003eA: Yes, dual channels allow independent operation or redundant monitoring depending on application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sensor types are compatible?\u003c\/strong\u003e\u003cbr\u003eA: PR6423 or PR6424 eddy current probes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast does the module react to unsafe shaft movement?\u003c\/strong\u003e\u003cbr\u003eA: Emergency trip relays respond in under 100 milliseconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is the module integrated with control systems?\u003c\/strong\u003e\u003cbr\u003eA: Analog 4–20 mA outputs and RS232\/485 ModBus allow full system integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is electronic zeroing required for sensor installation?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the module supports electronic zeroing to simplify setup and improve accuracy.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"EPRO","offers":[{"title":"Default Title","offer_id":44127108202595,"sku":"A6824","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/EPROA6824-3.jpg?v=1776663823","url":"https:\/\/precisemodule.com\/products\/epro-a6824-mms-6000-modbus-axial-shaft-monitor-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}