{"product_id":"allen-bradley-2711-t9a2-panelview-900-operator-interface","title":"Allen-Bradley 2711-T9A2 PanelView 900 Operator Interface","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 2711-T9A2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2711-T9A2\u003c\/strong\u003e Operator Interface, operates as a dedicated hardware component for process monitoring and operator input execution within DH-485 control networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2711\u003c\/strong\u003e: PanelView Standard Terminal Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-T9\u003c\/strong\u003e: 9-inch display with analog resistive touch screen interface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Monochrome display screen type (640 x 480 pixel resolution)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e: DH-485 communication port (RS-485 level interface)\u003c\/li\u003e\n\u003c\/ul\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\u003e2711-T9A2\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\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\u003e7.00 lbs (3.18 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard PanelView 900 panel-cutout enclosure dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e100 to 240 VAC input (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003e9-inch monochrome display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Resolution\u003c\/td\u003e\n\u003ctd\u003e640 x 480 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperator Input\u003c\/td\u003e\n\u003ctd\u003eTouch screen (analog resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eDH-485 serial communication port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFirmware Flash Compatibility and Deterministic Network Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe 2711-T9A2 terminal processes graphical objects and alarm states via internal logic execution synchronized across DH-485 token-passing networks. Communication driver routines maintain firmware flash compatibility with SLC 500 and MicroLogix controller registers to ensure deterministic data update intervals. Onboard signal conditioning shields low-voltage display electronics and touch-detection circuitry from electrical noise on the industrial network bus.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 2711-T9A2 terminal be hot-swapped while line power is applied to the main cabinet?\u003c\/p\u003e\n\u003cp\u003eA: No. The 100 to 240 VAC primary power supply input must be de-energized and lock-out procedures verified before removing or replacing the terminal unit from the panel cut-out.\u003c\/p\u003e\n\u003cp\u003eQ: What protocol does the primary communication port on the 2711-T9A2 support?\u003c\/p\u003e\n\u003cp\u003eA: The primary port operates strictly on the DH-485 communication protocol over an RS-485 physical layer, designed for direct peer-to-peer or multi-drop connection with compatible Allen-Bradley PLCs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate main AC supply lines and confirm zero voltage at terminal connections before wiring the 100 to 240 VAC power block.\u003c\/li\u003e\n\u003cli\u003eEnsure the panel sealing gasket is properly seated around the enclosure cutout before tightening the mounting clamps to preserve NEMA\/IP ingress ratings.\u003c\/li\u003e\n\u003cli\u003eAttach a dedicated chassis grounding conductor from the protective earth stud on the terminal housing to the cabinet central copper ground bar.\u003c\/li\u003e\n\u003cli\u003eMaintain proper line termination resistors at the physical ends of the DH-485 network cable run to eliminate signal reflections.\u003c\/li\u003e\n\u003cli\u003eMaintain minimum ventilation spacing behind and above the rear housing to facilitate natural thermal dissipation inside the panel enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52625724604696,"sku":"2711-T9A2","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/2711-T9C8_Cocoai_666c3d1e-ec8a-4421-9c70-49d821231c39.jpg?v=1788862868","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-2711-t9a2-panelview-900-operator-interface","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}