{"product_id":"2711-k5a9l1-panelview-550-allen-bradley-operator-terminal","title":"Allen-Bradley 2711-K5A9L1 PanelView 550 Operator Terminal","description":"\u003cp\u003eThe Allen-Bradley 2711-K5A9L1 is a PanelView 550 series operator terminal designed for reliable human-machine interface (HMI) control in industrial automation environments. This unit provides a robust solution for monitoring and managing machine operations through a 5.5-inch monochrome blue-mode LCD display and a tactile 10-key keypad input, facilitating efficient interaction with legacy PLC and SLC control systems.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e5.5-inch monochrome blue-mode LCD display for clear status visualization.\u003c\/li\u003e\n\u003cli\u003eIntegrated 10-key keypad (F1-F10) for direct operator input and control.\u003c\/li\u003e\n\u003cli\u003e170 KB of internal application runtime memory.\u003c\/li\u003e\n\u003cli\u003eSupports RS-232 (DH-485) communication for seamless integration with Allen-Bradley controllers.\u003c\/li\u003e\n\u003cli\u003eDedicated RS-232 printer port for local data logging and reporting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis terminal is suitable for industrial applications requiring direct serial communication with PLC and SLC controllers. It is commonly utilized in legacy manufacturing environments for process monitoring, alarm management, and system configuration.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2711-K5A9L1\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\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e5.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome blue-mode LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Method\u003c\/td\u003e\n\u003ctd\u003e10-key keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e170 KB application runtime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS-232 (DH-485), 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the terminal is mounted in a panel or enclosure that provides adequate protection against environmental contaminants.\u003c\/li\u003e\n\u003cli\u003eVerify that the supply voltage is 24 VDC and correctly polarized before connecting to the power terminals.\u003c\/li\u003e\n\u003cli\u003eUse shielded communication cables for RS-232 connections to minimize electromagnetic interference (EMI) from high-voltage equipment.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation around the unit to ensure the operating temperature remains within the 0 to 55 degC range.\u003c\/li\u003e\n\u003cli\u003eAlways disconnect power before performing any wiring or maintenance tasks on the terminal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the 2711-K5A9L1 still in production?\u003c\/strong\u003e No, this unit is considered a discontinued legacy product. We provide refurbished or surplus units to support existing infrastructure.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat communication protocols are supported?\u003c\/strong\u003e This model supports RS-232 (DH-485) for controller communication and a standard RS-232 interface for printer connectivity.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51027674923260,"sku":"2711-K5A9L1","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_9effe756-633e-4aff-adb9-29f6f203ac2b.jpg?v=1787933638","url":"https:\/\/www.electronicplc.com\/products\/2711-k5a9l1-panelview-550-allen-bradley-operator-terminal","provider":"Electronic PLC","version":"1.0","type":"link"}