{"product_id":"westinghouse-2840a10g03-q-line-qmc-card","title":"Westinghouse 2840A10G03 Q-Line QMC Card","description":"\u003cp\u003eConfigured for real-time control arbitration and master communications in Westinghouse Q-Line architectures, the \u003cstrong\u003eWestinghouse 2840A10G03\u003c\/strong\u003e (\u003cstrong\u003e2840A10G03\u003c\/strong\u003e QMC Card) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBase Part Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eGroup\/Suffix\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eModule Designation\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSystem Function\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2840A10\u003c\/td\u003e\n\u003ctd\u003eG03\u003c\/td\u003e\n\u003ctd\u003eQMC Card\u003c\/td\u003e\n\u003ctd\u003eQ-Line Master Controller \u0026amp; System Bus Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e2840A10G03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWestinghouse \/ Emerson\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\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003eQMC Card (Q-Line Master Controller Card)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eWestinghouse Q-Line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.85 lbs (0.39 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Q-Line Rack Slot Size\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\u003e4.2 W at 5 VDC \/ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Cold Junction Compensation\u003c\/h3\u003e\n\u003cp\u003eIntegrated within Q-Line backplane assemblies, the master card manages high-speed peripheral bus communication and determinism across local racks. Signal conditioning circuits feature multi-channel isolation barriers to eliminate ground differential noise and preserve logic state accuracy. For analog sub-assemblies linked through the system bus, the module supports standardized loop signal processing and cold junction compensation (CJC) referencing to maintain cycle-accurate telemetry data transfer.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is hot-swapping allowed for the 2840A10G03 QMC Card?\u003c\/p\u003e\n\u003cp\u003eA: No, power to the Q-Line rack must be completely de-energized prior to removing or inserting the master control card to avoid bus arbitration failure and component damage.\u003c\/p\u003e\n\u003cp\u003eQ: How is backplane bus communication velocity maintained during multi-rack operations?\u003c\/p\u003e\n\u003cp\u003eA: Integrated bus driver logic synchronizes clock signals across the rack backplane, eliminating signal skew and maintaining low-latency data exchange with surrounding I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eTurn off all backplane power supplies and confirm zero voltage across the Q-Line rack bus prior to module installation.\u003c\/li\u003e\n\u003cli\u003eWear an ESD-grounded wrist strap to protect sensitive integrated circuits from static discharge.\u003c\/li\u003e\n\u003cli\u003eAlign the QMC card with the designated rack guide tracks and gently insert until the backplane edge connector fully seats.\u003c\/li\u003e\n\u003cli\u003eSecure top and bottom faceplate retention screws to ensure mechanical stability and proper chassis grounding.\u003c\/li\u003e\n\u003cli\u003eVerify that all interconnect cables and bus jumpers are firmly attached before reapplying system power.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":66735241166963,"sku":"2840A10G03","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/7379A21G05QAV2_Cocoai_26a29518-197b-4ef2-b539-6657854d7f46.jpg?v=1790662649","url":"https:\/\/www.dcssupplier.com\/products\/westinghouse-2840a10g03-q-line-qmc-card","provider":"DcsSupplier Limited","version":"1.0","type":"link"}