{"product_id":"allen-bradley-2711-b5a8l3-panelview-550-hmi-terminal","title":"Allen-Bradley 2711-B5A8L3 PanelView 550 Operator Terminal","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 2711-B5A8L3 is a robust operator terminal from the PanelView 550 series, designed to provide reliable human-machine interface (HMI) capabilities in demanding industrial environments. This unit features a hybrid input design, combining a resistive touchscreen with a tactile keypad, allowing for versatile control and monitoring of automated processes. It is engineered for long-term deployment in sectors such as water treatment, chemical processing, and automated manufacturing, where it serves to streamline operator interaction and reduce system downtime.\u003c\/p\u003e\u003ch3\u003eHardware Features\u003c\/h3\u003e\u003cp\u003eThe 2711-B5A8L3 utilizes a 5.5-inch monochrome blue-mode LCD display, offering a clear 256 x 128 pixel resolution suitable for process visualization. The input system includes 10 dedicated function keys (F1-F10) alongside a touchscreen matrix with 128 active cells, ensuring operational reliability even in high-vibration settings. For networking and data management, the terminal is equipped with a Data Highway Plus (DH+) communication port for deterministic plant-floor connectivity and an RS-232 serial port for local printer logging.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2711-B5A8L3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e5.5-inch Monochrome Blue-Mode LCD\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\u003eInput Method\u003c\/td\u003e\n\u003ctd\u003eKeypad (10 Function Keys) and Touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e170 KB Runtime \/ 240 KB Nonvolatile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eDH+ Port, RS-232 Printer Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (18-32 VDC range)\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\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the panel cutout is prepared according to the manufacturer's mounting specifications to maintain the NEMA\/IP rating of the enclosure.\u003c\/li\u003e\n\u003cli\u003eVerify that the DC power supply is within the 18-32 VDC range before connection to prevent damage to the internal circuitry.\u003c\/li\u003e\n\u003cli\u003eUse shielded cables for DH+ and RS-232 communications to minimize electromagnetic interference (EMI) in high-noise industrial areas.\u003c\/li\u003e\n\u003cli\u003eAlways power down the terminal before connecting or disconnecting communication cables or performing maintenance.\u003c\/li\u003e\n\u003cli\u003eHandle the unit with care to avoid damage to the resistive touchscreen overlay and the LCD backlight assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this terminal still in production?\u003c\/strong\u003e No, the 2711-B5A8L3 is classified as a discontinued or obsolete product by the manufacturer. We provide these units as spare parts for legacy system maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary communication protocol for this unit?\u003c\/strong\u003e This model features a dedicated Data Highway Plus (DH+) port, which is the standard for high-speed deterministic networking in legacy Allen-Bradley architectures.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51000397627644,"sku":"2711-B5A8L3","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_0407fcc6-adaa-4d1d-897c-2dababf8f3eb.jpg?v=1787250190","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-2711-b5a8l3-panelview-550-hmi-terminal","provider":"Electronic PLC","version":"1.0","type":"link"}