{"product_id":"allen-bradley-2711-b5a3l2-operator-interface-terminal","title":"Allen-Bradley 2711-B5A3L2 PanelView 550 Operator Interface Terminal","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 2711-B5A3L2 is a PanelView 550 operator interface terminal designed for robust human-machine interface (HMI) applications in demanding industrial environments. This unit facilitates real-time process monitoring, diagnostic tracking, and manual control by establishing reliable data links with programmable logic controllers. It serves as a compact, electronic replacement for traditional physical control panels, helping to optimize operator workflows and reduce system downtime in sectors such as automotive manufacturing, chemical processing, and water treatment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Input Interface:\u003c\/strong\u003e Combines an analog resistive touchscreen with a 10-key mechanical function keypad (F1-F10) for reliable operation in high-vibration environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Specifications:\u003c\/strong\u003e Features a 5.5-inch monochrome blue-mode LCD with 256 x 128 pixel resolution and a long-life 100,000-hour LED backlight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Connectivity:\u003c\/strong\u003e Equipped with an integrated DH-485 port for network synchronization and a dedicated RS-232 serial port for local printer logging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory and Storage:\u003c\/strong\u003e Includes 170 KB of application runtime memory and 240 KB of nonvolatile memory, with an ATA memory card slot for supplemental storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRugged Design:\u003c\/strong\u003e Rated for NEMA 12\/13 and 4X (indoor) as well as IP54\/IP65 environmental protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis operator terminal is suitable for integration into various industrial automation systems, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAutomotive assembly line control\u003c\/li\u003e\n\u003cli\u003eChemical and food processing plant monitoring\u003c\/li\u003e\n\u003cli\u003eWater and wastewater treatment facility management\u003c\/li\u003e\n\u003cli\u003eGeneral machine-level diagnostics and control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2711-B5A3L2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003ePanelView 550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e256 x 128 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eDH-485, RS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA 12\/13, 4X (Indoor), IP54, IP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the unit is mounted in a panel with adequate clearance for ventilation and cable routing. Follow the cutout dimensions provided in the user manual to maintain the NEMA\/IP seal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Proper chassis grounding is essential to minimize EMI\/RFI interference. Use the provided grounding studs to connect to a low-impedance earth ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded communication cables for DH-485 and RS-232 connections. Keep signal cables separated from high-voltage power lines to prevent signal noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e This device contains sensitive electronic components. Use standard ESD (Electrostatic Discharge) precautions during installation and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Verify the 24 VDC supply voltage is within nominal limits before applying power. Always power down the unit before connecting or disconnecting communication cables.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 2711-B5A3L2 still in production?\u003c\/h3\u003e\u003cp\u003eNo, this model is classified as discontinued\/obsolete by the manufacturer. We provide these units as spare parts for legacy system maintenance.\u003c\/p\u003e\u003ch3\u003eCan I replace the backlight on this unit?\u003c\/h3\u003e\u003cp\u003eYes, the backlight is field-replaceable using the 2711-NL1 replacement module.\u003c\/p\u003e\u003ch3\u003eDoes this terminal support external memory?\u003c\/h3\u003e\u003cp\u003eYes, the unit includes an integrated ATA memory card slot for additional storage and application backup.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50919577190652,"sku":"2711-B5A3L2","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_da5d7e10-996a-4108-b4a7-4792dfad7d4a.jpg?v=1785906591","url":"https:\/\/www.electronicplc.com\/products\/allen-bradley-2711-b5a3l2-operator-interface-terminal","provider":"Electronic PLC","version":"1.0","type":"link"}