{"product_id":"epro-a6740-mms-6000-16-channel-output-relay-module","title":"EPRO A6740 MMS 6000 16-Channel Output Relay 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\u003eA6740\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEPRO\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(MMS 6000 series) is a high-reliability, 16-channel\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOutput Relay and Case Expansion Monitoring Module\u003c\/strong\u003e. It is engineered to provide accurate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecasing displacement measurement\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand versatile relay control for industrial machinery. The module is ideal for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esteam turbines, compressors, and large rotating equipment\u003c\/strong\u003e, offering precise monitoring of thermal growth and machine protection logic during startup, operation, and shutdown phases.\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 Measurement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports two independent channels for redundant or dual-sided turbine casing monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e16 Configurable Relays:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSelectable as Normally Open (NO) or Normally Closed (NC), with adjustable energization and time delay up to 30 seconds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Logic Functions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports AND, OR, 2-out-of-3, and complex logic expressions up to 30 per module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAccepts LVDTs or inductive displacement transducers for high-resolution casing expansion measurement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Outputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo 0\/4–20 mA analog outputs for DCS integration; relay outputs for alarms and fault detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCan be replaced without interrupting operation of the MMS 6000 rack\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Industrial Design:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGalvanically isolated inputs\/outputs, IP00 module rating, IP20 front panel, vibration and shock resistant\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\u003eA6740 \/ 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\"\u003e16-Channel Output Relay \u0026amp; Case Expansion Monitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMechanical SPDT relays per API 670\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRelay Control Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e13–32 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eContact Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e48 V DC, 1 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eRelay Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eNO\/NC, Normally Energized\/Non-Energized, 0–30 s delay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eLogic Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eOff, AND, OR, 2-out-of-3, AND AND OR; up to 30 expressions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eSensor Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLVDT or inductive displacement transducers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eConfigurable (e.g., 0–50 mm, 0–100 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eOutput Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2 × 0\/4–20 mA; 2 Alarm Relays + 1 OK-Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e+24 V DC, max 6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e60 × 128.4 × 160 mm (W × H × L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e~320 g (0.705 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eEnvironmental Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eOperating: 0–65°C; Storage: -40–70°C; Relative Humidity: 5–95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eShock \u0026amp; Vibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIEC 68-2; 0.15 mm 10–55 Hz, 19.6 m\/s² 55–150 Hz, 9.98 g peak, 16 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eEMC Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEN50081-1 \/ EN50082-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eConfiguration Security\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003ePassword-protected\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\u003eTurbine Case Expansion Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMeasures axial and radial growth during startup or shutdown\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMachine Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDetects uneven expansion (“crabbing”) to prevent mechanical stress or rubbing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAlarm \u0026amp; Control Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurable relay outputs for alert, danger, or maintenance triggers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Safety Systems:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDual-channel design ensures continuous monitoring even if one sensor fails\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 A6740 module operate without interrupting other MMS 6000 modules?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it is hot-swappable and can be replaced without downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What sensors are compatible with this module?\u003c\/strong\u003e\u003cbr\u003eA: Linear Variable Differential Transformers (LVDTs) and inductive displacement transducers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How precise is the measurement?\u003c\/strong\u003e\u003cbr\u003eA: Typically ±1% of full scale, capable of detecting millimeter-level casing movements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the relay logic be customized?\u003c\/strong\u003e\u003cbr\u003eA: Yes, up to 30 logic expressions can be defined, including AND, OR, 2-out-of-3, and complex sequences.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What types of outputs are available?\u003c\/strong\u003e\u003cbr\u003eA: Two analog 0\/4–20 mA outputs plus 16 configurable relays for alert, danger, and OK monitoring.\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":44126946492515,"sku":"A6740","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/EPROA6740-3.jpg?v=1776663390","url":"https:\/\/precisemodule.com\/products\/epro-a6740-mms-6000-16-channel-output-relay-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}