{"product_id":"allen-bradley-2711-k5a2-operator-interface-panelview-550-hmi","title":"Allen-Bradley 2711-K5A2 Operator Interface PanelView 550 HMI","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 2711-K5A2\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2711-K5A2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperator Interface, operates as a dedicated hardware component for localized process visualization and command execution within DH-485 industrial network platforms.\u003c\/p\u003e\n\u003ch3\u003eModel Identification Data\u003c\/h3\u003e\n\u003cp\u003eThe 2711-K5A2 is a monochrome terminal belonging to the PanelView 550 series. This hardware unit features a 5.5-inch display and an integrated keypad for operator input. It utilizes 240 KB of nonvolatile memory and 170 KB of RAM for runtime application storage and execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\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\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2711-K5A2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.2 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e27.9 x 17.8 x 10.2 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Industrial Range\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot specified (120\/240 VAC Input)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDisplay\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.5 in Monochrome\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eKeypad\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDH-485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMemory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e240 KB NV \/ 170 KB RAM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIndustrial Control Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis device maintains synchronization with PLC architectures through the DH-485 protocol, ensuring deterministic data exchange. The system architecture supports standard backplane bus communication velocity for this series, allowing for reliable register status polling without additional latency. Firmware flash compatibility is limited; specific application requirements must be pre-loaded into the nonvolatile memory via the dedicated configuration port.\u003c\/p\u003e\n\u003ch3\u003eOrdering and Scope of Delivery\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eAllen-Bradley 2711-K5A2 terminal unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePackage excludes DH-485 communication cables, mounting clips, and configuration software unless explicitly listed.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Field Directives\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePower Isolation: De-energize the 120\/240 VAC power source before mounting the unit to prevent electrical hazards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure Sealing: Verify that the panel cutout dimensions are correct to allow for proper gasket compression and environmental protection against contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrounding: Secure the chassis ground terminal to an industrial earth point to mitigate electromagnetic interference (EMI) that may cause signal jitter on the DH-485 link.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eESD Mitigation: Use a grounded wrist strap when handling the terminal to prevent electrostatic discharge to the internal logic and display controller components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics and Transit Standards\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDelivery time: 2-7 days when payment finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDispatched via DHL\/FEDEX\/UPS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAll hardware is shipped utilizing anti-static industrial packaging to provide protection against physical shock and electrostatic discharge during international transit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat indicates a backlight failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA darkened screen despite active power input suggests a failure of the internal backlight inverter or bulb; this component is not field-serviceable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the unit operate in hazardous environments?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe terminal must be installed in a cabinet rated for the specific hazardous location Class and Division to ensure compliance with safety standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes DH-485 communication timeouts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTimeouts typically result from incorrect network termination resistors or duplicate node addresses on the DH-485 daisy chain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the application memory accessed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApplication runtime memory is accessed via the configuration software; ensure the project file size does not exceed the 240 KB limit of the nonvolatile storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the device firmware field-upgradable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe PanelView 550 firmware is static; terminal functionality is determined by the project file version developed within the configuration environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066472452269,"sku":"2711-K5A2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/2711-K5A2-1.jpg?v=1780451411","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-2711-k5a2-operator-interface-panelview-550-hmi","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}