{"product_id":"honeywell-2mlr-dbst-twisted-pair-expansion-driver-module","title":"Honeywell 2MLR-DBST Twisted Pair Expansion Driver Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLR-DBST\u003c\/strong\u003e is an \u003cstrong\u003eelectrical expansion driver module\u003c\/strong\u003e using \u003cstrong\u003etwisted pair (TP\/CAT5)\u003c\/strong\u003e media for the \u003cstrong\u003eMasterLogic-200R (ML200R)\u003c\/strong\u003e redundant PLC system. It enables high-speed, short-range communication between the main CPU rack and distributed I\/O extension bases via standard \u003cstrong\u003eCAT5 twisted pair cable\u003c\/strong\u003e. Supporting up to \u003cstrong\u003e31 extension stations\u003c\/strong\u003e with automatic address error detection, it provides a cost-effective, easy-to-wire solution for modular control architectures.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Electrical Expansion Driver Module (UTP\/CAT5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200R (Redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Media:\u003c\/strong\u003e TP\/CAT5 (Twisted Pair, Electrical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Transmission Distance:\u003c\/strong\u003e 100 meters between extension bases\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStation Number Range:\u003c\/strong\u003e 1–31 (Station 0 not allowed)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoader Connection:\u003c\/strong\u003e USB extension drive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Position:\u003c\/strong\u003e CPU0 connector on extension base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 24V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e Galvanic isolation between main and remote bases\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 150 mm x 100 mm x 30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.1 kg (100 g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL508, CSA, TUV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard CAT5 cabling\u003c\/strong\u003e — uses inexpensive, readily available twisted pair cable, reducing material cost by 70% compared to fiber optic solutions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 meter range\u003c\/strong\u003e — ideal for control rooms where remote I\/O racks are in adjacent rooms or within the same building\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e31 station capacity\u003c\/strong\u003e — supports up to 31 extension bases per main rack, enabling massive I\/O expansion without additional CPUs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic address error detection\u003c\/strong\u003e — prevents configuration mistakes by detecting duplicate or invalid station addresses during startup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB loader connection\u003c\/strong\u003e — built-in USB port enables direct programming and diagnostics access to the expansion network without additional adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic isolation\u003c\/strong\u003e — protects the main CPU rack from ground potential differences and electrical faults on remote bases\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBuilding automation central plant to air handling unit (AHU) I\/O\u003c\/li\u003e\n\u003cli\u003eFactory automation with I\/O racks on the same production floor\u003c\/li\u003e\n\u003cli\u003eWater treatment plant control room to pump house (\u0026lt;100 m)\u003c\/li\u003e\n\u003cli\u003ePharmaceutical packaging line control\u003c\/li\u003e\n\u003cli\u003eFood \u0026amp; beverage processing with clean electrical environments\u003c\/li\u003e\n\u003cli\u003eAny application requiring CPU redundancy without long-distance fiber\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall in main rack\u003c\/strong\u003e — mount the 2MLR-DBST in the expansion driver slot of the ML200R main base (2MLR-M02P or 2MLR-M06P).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall paired module in expansion base\u003c\/strong\u003e — mount a corresponding 2MLR-DBST in the CPU0 slot of each 2MLR-E08P or 2MLR-E12P expansion base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect CAT5 cable\u003c\/strong\u003e — use standard shielded CAT5e or CAT6 cable to connect the main rack DBST to the expansion base DBST. Maximum length is 100 meters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet station address\u003c\/strong\u003e — use the rotary switches or SoftMaster to set a unique station address (1–31) for each expansion base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply 24V power\u003c\/strong\u003e — connect DC 24V to the DBST power terminals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify link status\u003c\/strong\u003e — check the LINK and RUN LEDs on both modules. A solid green LED indicates proper communication.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLR-DBST and 2MLR-DBSF?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e2MLR-DBST\u003c\/strong\u003e uses \u003cstrong\u003etwisted pair (UTP\/CAT5)\u003c\/strong\u003e for I\/O expansion up to 100 meters. The \u003cstrong\u003e2MLR-DBSF\u003c\/strong\u003e uses \u003cstrong\u003efiber optic (FO)\u003c\/strong\u003e for expansion up to 15 km. Choose DBST for short-distance copper runs in clean environments; choose DBSF for long-distance or high-EMI applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLR-DBST and 2MLR-DBDF?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e2MLR-DBST\u003c\/strong\u003e is a \u003cstrong\u003esingle-path\u003c\/strong\u003e expansion driver. The \u003cstrong\u003e2MLR-DBDF\u003c\/strong\u003e is a \u003cstrong\u003edual redundant\u003c\/strong\u003e expansion driver with fiber optic for fully redundant dual-ring configurations. For maximum availability, use DBDF in pairs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use standard Ethernet switches with this module?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNo.\u003c\/strong\u003e The 2MLR-DBST uses a \u003cstrong\u003eproprietary high-speed serial protocol\u003c\/strong\u003e over CAT5 cable, not standard Ethernet. Do not connect to Ethernet switches or routers — doing so will cause communication failure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What CAT5 cable specification is required?\u003c\/strong\u003e\u003cbr\u003e\nA: Use \u003cstrong\u003eshielded CAT5e or CAT6\u003c\/strong\u003e cable with a maximum length of 100 meters. Unshielded cable may experience EMI issues in industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003e2MLR-DBST\u003c\/strong\u003e when your remote I\/O cabinet is \u003cstrong\u003ewithin 100 meters\u003c\/strong\u003e and the electrical environment is \u003cstrong\u003eclean\u003c\/strong\u003e (low VFD\/welding interference).\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003e\u0026gt;100 m or high-EMI\u003c\/strong\u003e, choose \u003cstrong\u003e2MLR-DBSF\u003c\/strong\u003e with fiber optic.\u003c\/li\u003e\n\u003cli\u003eAlways use \u003cstrong\u003eshielded CAT5e or CAT6 cable\u003c\/strong\u003e — unshielded cable is not recommended for industrial environments.\u003c\/li\u003e\n\u003cli\u003eVerify your \u003cstrong\u003etotal expansion base count\u003c\/strong\u003e does not exceed 31 stations per main rack.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003efully redundant dual-ring\u003c\/strong\u003e architectures, pair the DBST with \u003cstrong\u003e2MLR-DBDF\u003c\/strong\u003e on the alternate path or upgrade to fiber.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959388823736,"sku":"2MLR-DBST","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLR-DBST.png?v=1787197658","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mlr-dbst-twisted-pair-expansion-driver-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}