The Allen-Bradley 2711P-K6M20D8​ is a PanelView Plus 6 600 series operator terminal manufactured by Rockwell Automation, categorized as a grayscale keypad-based Human Machine Interface (HMI) for industrial automation and machine control. It features a 5.7-inch monochrome TFT display combined with a rugged industrial keypad, purpose-built for reliable visualization and control in space-limited or harsh-environment panel installations.This terminal delivers clear grayscale process graphics, alarm messaging, and tactile navigation through dedicated function and numeric keys, operating on 24V DC power with integrated Ethernet and RS-232 communication. Engineered for seamless interoperability with Allen-Bradley Logix and legacy controller platforms, it brings modern networking and modular upgradability to compact machine-level HMI applications.

In a high-volume contract packaging facility running multiple semi-autonomous cartoning machines, original control panels were cramped and relied on clusters of hard-wired pushbuttons, selector switches, and basic incandescent indicators tied to MicroLogix 1400 PLCs. Operators frequently misadjusted mechanical potentiometers during recipe changes, and diagnosing minor jam faults meant opening panels and tracing I/O wiring—leading to unnecessary downtime and occasional minor electrical incidents. By retrofitting each station with the Allen-Bradley 2711P-K6M20D8​ powered from the panel’s existing 24V DC supply, the integrator deployed clean grayscale HMI screens showing real-time fault descriptions, cycle counters, and password-protected recipe setpoints. The 2711P-K6M20D8​ connected directly to each PLC over RS-232 initially, later migrating to Ethernet/IP via the onboard port—with no panel cutout changes required thanks to form-factor consistency. Machine operators used the tactile keypad for mode selection and alarm acknowledgment even while wearing gloves, while maintenance techs leveraged USB ports and SD storage for fast application backups. Nuisance faults dropped sharply due to clearer diagnostics, average jam recovery time fell by over 35%, and panel wiring complexity was dramatically reduced. This case shows how 2711P-K6M20D8​ solves tangible shop-floor pain points—tight enclosure space, glove-incompatible touch-only interfaces, slow hard-wired troubleshooting—by delivering a rugged, network-ready keypad HMI tailored to real industrial workflows.

Main Parameters Value/DescriptionProduct Model 2711P-K6M20D8Manufacturer Allen-Bradley (Rockwell Automation)Product Category PanelView Plus 6 600 Terminal (5.7″ Grayscale Keypad HMI)Display Type 5.7-inch Grayscale TFT LCD (320 × 240 QVGA, 16-level grayscale for clear process visuals)Input Method Industrial membrane keypad (F1–F10 function keys, numeric, navigation keys; 1M press life, glove-friendly)Input Voltage 18–32 VDC (24V DC nominal, reverse-polarity protected, matches control panel DC buses)Communication Ports (1) Ethernet 10/100 Mbps (EtherNet/IP), (1) RS-232 Serial, (2) USB Host (Type A)Memory 256 MB RAM / 512 MB Nonvolatile Flash (approx. 70+ MB user-accessible for ME apps & data logs)Operating System Windows CE 6.0 (supports FactoryTalk View ME Station, VNC server, ActiveX)Environmental Rating NEMA Type 12/13/4X (indoor), IP66 front panel (sealed against dust, oil mist, washdown)Mounting Method Panel mount with integral clamping levers & compression gasket (standard PV Plus 600 cutout)Dimensions (H×W×D) Approx. 167 × 266 × 68 mm, compact depth for shallow enclosuresh2 Technical Principles and Innovative Values