{"product_id":"westinghouse-2840a80g05-qbi-card","title":"Westinghouse 2840A80G05 QBI Card","description":"\u003cp\u003eThe \u003cstrong\u003eWestinghouse 2840A80G05\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2840A80G05\u003c\/strong\u003e QBI Card, operates as a dedicated hardware component for digital bus interface execution and signal routing within Westinghouse Q-Line control chassis.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe 2840A80 board platform utilizes group drawing suffix designations to define component loading and interface option configurations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2840A80\u003c\/strong\u003e: Base Quick-Bus Interface (QBI) circuit card design for Westinghouse Q-Line backplane networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG05\u003c\/strong\u003e: Specific group drawing hardware build defining I\/O line termination impedance, backplane address logic, and component revisions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2840A80G05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWestinghouse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Q-Line printed circuit card enclosure format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.8 W maximum (backplane powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCard Type\u003c\/td\u003e\n\u003ctd\u003eQuick-Bus Interface Card (QBI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eWestinghouse Q-Line Architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Alignment\u003c\/td\u003e\n\u003ctd\u003eSubrack card guide insertion with retaining latches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eWestinghouse 2840A80G05\u003c\/strong\u003e processes interface logic for field instrumentation connected to 4-20 mA HART loop protocol networks. High-speed bus communication tracks process states across the backplane while maintaining transparent digital HART pass-through signal routing for field device calibration and remote parameter verification.\u003c\/p\u003e\n\u003cp\u003eTo prevent transient electrical faults from affecting central process logic, the card utilizes integrated channel-to-channel isolation on input\/output buffer stages. Galvanic separation eliminates ground loops between field instrument loops and internal backplane supply rails, preserving signal fidelity across dense Q-Line subrack installations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 2840A80G05 QBI card support hot-swapping during active subrack operation?\u003c\/p\u003e\n\u003cp\u003eA: No, power to the local Q-Line card cage must be switched off prior to card insertion or removal to prevent backplane pin damage and data bus corruption.\u003c\/p\u003e\n\u003cp\u003eQ: How is chassis earth continuity established for the card assembly?\u003c\/p\u003e\n\u003cp\u003eA: Earth grounding is established through card guide metal contacts and completed when the front panel mounting hardware is fully tightened to the subrack frame.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the host Q-Line subrack segment before attempting card insertion or extraction.\u003c\/li\u003e\n\u003cli\u003eAlign the top and bottom edges of the circuit board with the assigned subrack slot card guides.\u003c\/li\u003e\n\u003cli\u003eSlide the card smoothly into the slot until the rear edge connectors seat fully into the backplane socket.\u003c\/li\u003e\n\u003cli\u003eTighten the front panel retaining screws to secure the card and establish grounding to the chassis frame.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":48939966529651,"sku":"2840A80G05","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/4256A84G14_Cocoai_3af27e00-bbb7-495f-8b48-8ef7cb43872f.jpg?v=1790131754","url":"https:\/\/www.dcssupplier.com\/products\/westinghouse-2840a80g05-qbi-card","provider":"DcsSupplier Limited","version":"1.0","type":"link"}