{"product_id":"allen-bradley-2711-k3a2l1-operator-interface-panelview-300","title":"Allen-Bradley 2711-K3A2L1 Operator Interface PanelView 300","description":"\u003cp\u003eConfigured for real-time process monitoring in industrial communication networks, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 2711-K3A2L1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e2711K3A2L1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperator Interface) provides direct physical and electrical execution of operator commands via an integrated keypad and monochrome display.\u003c\/p\u003e\n\u003ch3\u003eModel Identification Summary\u003c\/h3\u003e\n\u003cp\u003eThe 2711-K3A2L1 is a compact operator terminal designed for integration into control environments requiring DH-485 data exchange. The model utilizes a standardized keypad interface to execute setpoint adjustments and status monitoring functions within the Allen-Bradley control ecosystem.\u003c\/p\u003e\n\u003ch3\u003eTechnical Hardware 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-K3A2L1\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\u003eUnited States\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\u003e0.5 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\u003e19.6 x 8 x 14 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\u003eRefer to technical manual for specific site conditions\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\u003eDC Power Supply\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\u003e3 inch Monochrome\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 \/ RS-232 Printer Port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFirmware and Deterministic Network Compliance\u003c\/h3\u003e\n\u003cp\u003eThe hardware supports firmware flash compatibility, facilitating periodic updates to the operating system and communication stack to maintain synchronization with host controllers. Communication throughput on the DH-485 network is subject to bus length and node density constraints. System designers must ensure that the backplane bus communication velocity and network cabling topology comply with documented deterministic requirements to prevent packet loss or excessive jitter during high-demand polling cycles.\u003c\/p\u003e\n\u003ch3\u003eOrder Configuration Contents\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e1 x 2711-K3A2L1 Operator Terminal Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Mounting hardware kit (clips)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Terminal block for DC power input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNote: Programming cable and configuration software are separate components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Protocols\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePanel Cutout\u003c\/strong\u003e: Verify the mounting surface thickness and panel cutout dimensions against the mechanical drawings to ensure an airtight seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding\u003c\/strong\u003e: Terminate the chassis ground connection to a common earth point to reduce electrical noise susceptibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCable Routing\u003c\/strong\u003e: Isolate communication signal wiring from motor drive and power distribution cables to minimize induced electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Termination\u003c\/strong\u003e: Ensure the DC power source meets local electrical code requirements and is isolated from potential ground loops.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eShipment Logistics\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDelivery time: 3-5 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\u003eUnits are secured in anti-static industrial packaging to ensure protection against ESD and mechanical transit stresses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Operational FAQs\u003c\/h3\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the terminal support hot-swapping on the DH-485 network?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, the unit must be powered down before connecting or disconnecting from the communication bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is firmware integrity validated?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIntegrity is maintained through the terminal's internal checksum routines during the boot sequence and firmware update processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes communication timeouts?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTimeouts are typically caused by improper network termination, excessive bus length, or misconfigured node addresses in the communication setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the keypad overlay user-replaceable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eField repair of the keypad membrane is not recommended; the unit should be replaced if mechanical failure occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the display brightness controlled?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBrightness and contrast are adjusted through the terminal's software configuration menus rather than physical potentiometers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the RS-232 port be used for HMI-to-PLC communication?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RS-232 port is primarily configured for printer output; consult the manual for specific limitations regarding PLC connectivity on this port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the expected service life?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eService life is heavily dependent on ambient operating temperature and backlight duty cycle; regular cleaning and environmental control are required to maximize operational hours.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066472288429,"sku":"2711-K3A2L1","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/2711-K3A2L1-1.jpg?v=1780452172","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-2711-k3a2l1-operator-interface-panelview-300","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}