{"product_id":"westinghouse-2840a38g01-pc-board","title":"Westinghouse 2840A38G01 PC Board","description":"\u003cp\u003eThe \u003cstrong\u003eWestinghouse 2840A38G01\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2840A38G01\u003c\/strong\u003e PC Board with Backplane, operates as a dedicated hardware component for backplane bus communication and subrack power routing within Westinghouse Q-Line control systems.\u003c\/p\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\u003e2840A38G01\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\u003e0.26 kg (0.57 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Q-Line subrack backplane module footprint\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\u003ePassive power distribution and bus routing assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Type\u003c\/td\u003e\n\u003ctd\u003ePC Board with Backplane Assembly\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\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDirect chassis subrack mounting via structural standoffs\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 2840A38G01\u003c\/strong\u003e backplane board routes power and data lines interlinking I\/O cards configured for 4-20 mA HART loop protocol networks. Onboard bus traces distribute power rail voltages to individual slots while maintaining high-frequency data signal paths required for non-intrusive HART digital telemetry acquisition.\u003c\/p\u003e\n\u003cp\u003eTo prevent inter-channel cross-talk and earth potential loops across installed subrack modules, the backplane design maintains structural channel-to-channel isolation pathways between field wiring pin fields and central bus logic. Galvanic separation across slot connectors isolates field voltage transients, protecting adjacent cards mounted on the same chassis assembly.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 2840A38G01 backplane contain active processing microconductors?\u003c\/p\u003e\n\u003cp\u003eA: No, the 2840A38G01 functions as a passive printed circuit backplane assembly dedicated to signal bus routing, slot power distribution, and mechanical card alignment.\u003c\/p\u003e\n\u003cp\u003eQ: What precautions should be taken when replacing the backplane assembly?\u003c\/p\u003e\n\u003cp\u003eA: Main rack supply power must be fully isolated, and all installed Q-Line subrack cards removed before unmounting the backplane from the chassis structure.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize all primary subrack power feeds and field power loops before mounting or servicing the backplane assembly.\u003c\/li\u003e\n\u003cli\u003eSecure the printed circuit backplane board into the Q-Line chassis frame using the designated mounting standoffs and grounding hardware.\u003c\/li\u003e\n\u003cli\u003eVerify that all edge connectors and slot keying alignment tracks are free of dust, debris, or mechanical distortion prior to inserting I\/O cards.\u003c\/li\u003e\n\u003cli\u003eEnsure the subrack grounding bus is bonded directly to the main cabinet earth ground bar with a heavy-gauge copper conductor.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":48939969314931,"sku":"2840A38G01","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-09-23_10-55-23_537370c1-3140-4036-b71b-d7c22be5ee6b.png?v=1790132209","url":"https:\/\/www.dcssupplier.com\/products\/westinghouse-2840a38g01-pc-board","provider":"DcsSupplier Limited","version":"1.0","type":"link"}