{"product_id":"allen-bradley-2711p-k4c5d-keypad-module","title":"Allen-Bradley 2711P-K4C5D Keypad Module","description":"\u003cp\u003eConfigured for high-speed operator interaction in DF1 and DH-485 serial networks, the \u003cstrong\u003eAllen-Bradley 2711P-K4C5D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2711P-K4C5D\u003c\/strong\u003e Operator Terminal, provides direct physical\/electrical execution of machine parameters and real-time process monitoring.\u003c\/p\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\u003e2711P-K4C5D\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 Type\u003c\/td\u003e\n\u003ctd\u003e3.5-inch Color Active Matrix TFT LCD (320 x 240 pixels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Method\u003c\/td\u003e\n\u003ctd\u003eKeypad (8 Function Keys F1-F8, Numeric Keys)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232, USB (2 Ports)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e18-30 VDC (24 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e25 W maximum (1 A at 24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Memory\u003c\/td\u003e\n\u003ctd\u003e64 MB RAM \/ 64 MB System Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReal-Time Clock\u003c\/td\u003e\n\u003ctd\u003eBattery-backed (+\/- 2 minutes per month)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\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\u003e1.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e152 mm x 185 mm x 90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSerial Network Backplane and Deterministic Messaging\u003c\/h3\u003e\n\u003cp\u003eThe terminal utilizes high-velocity backplane communication components to process point-to-point DF1 and multi-node DH-485 serial protocols directly via the built-in RS-232 interface. Supporting variable I\/O density scaling through local PLC register mapping, the hardware offloads display rendering from the host controller. Flash firmware compatibility ensures stable execution of application files across Series A through E hardware revisions while maintaining high-speed screen updates under continuous operational polling.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the mechanical actuation rating of the front membrane function keys?\u003c\/p\u003e\n\u003cp\u003eA: The stainless-steel poly-domed membrane keypad and function keys (F1 through F8) are rated for up to 1,000,000 actuations at an operating force of 340 g.\u003c\/p\u003e\n\u003cp\u003eQ: Can the RS-232 communication port operate simultaneously with external USB peripherals?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the RS-232 serial port handles dedicated controller communication (DF1\/DH-485) while the USB peripheral ports independently support external keyboards, mice, or flash memory storage devices.\u003c\/p\u003e\n\u003cp\u003eQ: What is the operational input voltage window for the 24 VDC power connection?\u003c\/p\u003e\n\u003cp\u003eA: The terminal operates within a DC voltage range of 18 to 30 VDC, drawing a maximum power consumption of 25 W at 24 VDC nominal input.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCut the enclosure door panel cutout precisely to 123 mm x 156 mm before securing the unit into a NEMA Type 12, 13, 4X or IP65 environment.\u003c\/li\u003e\n\u003cli\u003eMaintain a minimum clearance of 50 mm around all sides of the housing to ensure adequate convection airflow and avoid internal overheating.\u003c\/li\u003e\n\u003cli\u003eConnect the functional ground screw on the rear chassis to the enclosure central ground bar using 14 AWG (2.5 mm sq) stranded copper wire.\u003c\/li\u003e\n\u003cli\u003eRoute RS-232 serial communication wiring and 24 VDC power lines in dedicated wireways, keeping them separated from high-voltage AC circuits and drive output leads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":66927927165043,"sku":"2711P-K4C5D","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/2711P-B7C4A1_1200x1200_____Cocoai_fd387aa6-5793-4c1c-a0a0-93f8938baab1.jpg?v=1792394024","url":"https:\/\/www.dcssupplier.com\/products\/allen-bradley-2711p-k4c5d-keypad-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}