{"product_id":"2711-k3a2l1-panelview-300-allen-bradley-standard-operator-terminal","title":"Allen-Bradley 2711-K3A2L1 PanelView 300 Monochrome Keypad Terminal","description":"\u003cp\u003eThe Allen-Bradley 2711-K3A2L1 is a PanelView 300 series operator interface terminal designed for industrial automation applications. This monochrome display unit features a keypad interface for operator input and is powered by a DC power supply. Although this model was discontinued by the manufacturer on June 30, 2012, it remains a critical component in legacy control systems requiring DH-485 communication connectivity.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3-inch monochrome display for clear process visualization.\u003c\/li\u003e\n\u003cli\u003eIntegrated keypad for reliable operator input in industrial environments.\u003c\/li\u003e\n\u003cli\u003eSupports DH-485 communication protocol for integration with Allen-Bradley controllers.\u003c\/li\u003e\n\u003cli\u003eIncludes an RS-232 printer port for local data logging and reporting.\u003c\/li\u003e\n\u003cli\u003eDesigned for DC power input.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis operator terminal is typically used in manufacturing and process control environments for monitoring machine status, adjusting setpoints, and managing alarm conditions in systems utilizing DH-485 networks.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e2711-K3A2L1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eMonochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e3-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Method\u003c\/td\u003e\n\u003ctd\u003eKeypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eDH-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Port\u003c\/td\u003e\n\u003ctd\u003eRS-232 Printer Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC\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 template to maintain the required NEMA\/IP seal rating.\u003c\/li\u003e\n\u003cli\u003eUse shielded communication cables for DH-485 connections to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eVerify that the DC power source meets the voltage requirements specified on the terminal nameplate before connection.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation around the unit to prevent overheating during continuous operation.\u003c\/li\u003e\n\u003cli\u003eAlways disconnect power before installing or removing the terminal from the control panel.\u003c\/li\u003e\n\u003cli\u003eHandle with care to avoid damage to the display screen and keypad membrane.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the 2711-K3A2L1 still supported by the manufacturer?\u003c\/strong\u003e\u003cbr\u003eNo, this model was discontinued on June 30, 2012. It is typically sourced through surplus or refurbished channels for legacy system maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat communication protocols does this terminal support?\u003c\/strong\u003e\u003cbr\u003eThis unit supports DH-485 communication and includes an RS-232 port specifically for printer connectivity.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53940769358008,"sku":"2711-K3A2L1","price":76.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/wm_1_bbd1b875-db65-4586-89c9-6f9c488a1024.jpg?v=1787072523","url":"https:\/\/www.globalpetroparts.com\/products\/2711-k3a2l1-panelview-300-allen-bradley-standard-operator-terminal","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}