{"product_id":"1440-rex00-04rd-allen-bradley-xm-441-expansion-relay-module","title":"1440-REX00-04RD | Allen-Bradley | XM-441 Expansion Relay Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1440-REX00-04RD\u003c\/strong\u003e, specifically identified as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eXM-441 Expansion Relay Module\u003c\/strong\u003e, extends the relay output capabilities of the XM dynamic measurement system. This module provides additional physical relay contacts to trigger alarms, shutdowns, or interlocking logic based on vibration and machinery health data. It integrates seamlessly into the XM monitoring network to ensure local, high-speed machinery protection. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your protection system operates with maximum mechanical integrity and zero prior wear.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1440-REX00-04RD provides robust switching performance for critical industrial protection loops:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eXM-441 (XM Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eExpansion Relay Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelay Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-Channel Independent Relay Outputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting Orientation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail or Panel Mount via Terminal Base\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDedicated XM Expansion Bus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eContact Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Industrial Safety\/Alarm Ratings\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.55 lbs (0.25 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDynamic Measurement and Protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1440-REX00-04RD addresses the complex demands of machinery protection and safety interlocking:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocalized Protection Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module executes relay actions locally on the XM bus. By bypassing the delay of a centralized PLC scan cycle, it triggers machine trips within milliseconds of a detected vibration spike, preventing catastrophic equipment failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModular Scalability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"RD\" configuration allows engineers to expand relay counts without replacing the primary XM-120 or XM-124 vibration monitors. This modularity reduces overall hardware costs and simplifies cabinet wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMI\/RFI Shielding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module’s internal circuitry rejects electromagnetic interference commonly found near large motor drives and turbomachinery. This ensures that electrical noise does not cause \"nuisance trips\" or false alarms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact DIN Rail Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 0.55 lb lightweight design and small footprint permit installation in high-density junction boxes located close to the machine. This proximity reduces the length of expensive shielded cabling required for transducer-to-monitor runs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 1440-REX00-04RD communicate with the master XM module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module connects via the XM system’s side-connector expansion bus. This bus provides both the necessary power and the high-speed logic signals required to trigger the relays based on the master monitor's configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I configure the relays as Normally Open (NO) or Normally Closed (NC)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The XM-441 allows for flexible configuration. You can define the relay state through the XM configuration software to meet specific fail-safe requirements or standard alarm logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"Brand New\" status for this relay module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRelay contacts possess a finite mechanical life. By purchasing a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1440-REX00-04RD, you ensure the internal contacts have zero pitting or oxidation. This guarantees the low contact resistance required for millivolt-level signal interlocking and maximum reliability in emergency shutdown (ESD) systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with all XM-series monitors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1440-REX00-04RD primarily supports the XM-440 master modules. Always verify your master monitor's firmware version to ensure full compatibility with expansion relay logic.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53423290581176,"sku":"1440-REX00-04RD","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1440-REX00-04RD.jpg?v=1777541494","url":"https:\/\/www.globalpetroparts.com\/products\/1440-rex00-04rd-allen-bradley-xm-441-expansion-relay-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}