{"product_id":"allen-bradley-2711-b5a1l1-panelview-550-standard-operator-terminal","title":"Allen Bradley 2711-B5A1L1 PanelView 550 Standard Operator Terminal","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 2711-B5A1L1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a versatile Human-Machine Interface (HMI) within the PanelView Standard 550 series, specifically designed for legacy industrial networks. This terminal provides dual-mode interaction, combining a physical keypad with an analog resistive touchscreen to give operators maximum flexibility in machine-level control. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Original\u003c\/strong\u003e, offering a critical replacement for obsolete infrastructure without the need for expensive software migrations.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 2711-B5A1L1 utilizes a specialized blue-mode monochrome display to provide high-contrast visualization in factory environments:\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\u003eDisplay Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5-inch Monochrome LCD (Blue Mode)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Input: Keypad and Touchscreen\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\u003eRemote I\/O (RIO) and RS-232 Printer Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC (18–32V DC Operating Range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApplication Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e170 KB Application Runtime\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eReplacement Backlight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2711-NL1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupported Series\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSeries A through H\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\u003e2.81 lbs (1.28 kg)\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\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNative Remote I\/O (RIO) Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis terminal connects directly to Allen Bradley PLC-5 or SLC 500 controllers via the blue hose Remote I\/O network. It processes block transfers and discrete I\/O bits natively, eliminating the need for complex protocol converters or network bridges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Input Operational Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy offering both a touchscreen and a tactile keypad, the 2711-B5A1L1 solves the common industrial problem of failed touch membranes. If the touchscreen becomes unresponsive due to surface contamination, the operator maintains full machine control via the physical function keys.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDC Power Stability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 24V DC power requirement facilitates installation in remote panels or mobile skids where AC power remains unavailable. It draws minimal current, reducing the heat load inside small, non-ventilated enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMonochrome High-Contrast Clarity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe blue-mode LCD ensures readability under varied lighting conditions. This display technology avoids the color-washout issues common in older passive-matrix color screens, providing clear status updates for alarm monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this 2711-B5A1L1 unit 100% Brand New?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand ships in its original factory packaging with intact seals. This ensures maximum backlight life and membrane integrity compared to refurbished or used surplus units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace a 2711-B5A1 (AC version) with this 2711-B5A1L1?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \"L1\" suffix indicates\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24V DC power\u003c\/strong\u003e. You can replace an AC model only if you provide a dedicated 24V DC power source. The physical dimensions and communication protocols remain identical between the AC and DC versions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat software do I need to program this terminal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must use\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePanelBuilder32\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esoftware. Use the RS-232 port or the Remote I\/O pass-through feature to download your existing\u003cspan\u003e \u003c\/span\u003e\u003ccode\u003e.PVA\u003c\/code\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003ccode\u003e.PBP\u003c\/code\u003e\u003cspan\u003e \u003c\/span\u003eapplication files to the hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting precautions should I follow?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 2711-B5A1L1 includes a sealing gasket to meet NEMA environmental ratings. Ensure the panel cutout remains within the specified tolerances and tighten the mounting studs evenly to prevent moisture ingress or touchscreen misalignment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52863082168629,"sku":"2711-B5A1L1","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/2711-K5A15_8af13d15-8098-4825-b398-8fe273074d9e.png?v=1778469993","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-2711-b5a1l1-panelview-550-standard-operator-terminal","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}