{"product_id":"2711-b5a20-genuine-allen-bradley®-panelview-550-monochrome-keypad","title":"2711-B5A20 | Genuine Allen Bradley® PanelView 550 Monochrome\/Keypad","description":"\u003cp\u003e\u003cstrong\u003eDescription: \u003cbr\u003e\u003c\/strong\u003eThe PanelView 550 Monochrome\/Keypad \u003cstrong\u003e2711-B5A20\u003c\/strong\u003e is a type of operator interface terminal (HMI) made by Allen-Bradley (Rockwell Automation). It is used in industrial control systems to allow operators to monitor, control, and interact with machinery and automated processes. The PanelView 550 is an HMI with a 5.5-inch monochrome display and a built-in keypad. Instead of a touchscreen, operators use physical buttons to navigate menus, enter values, and control machines.\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003ePart Number\u003c\/strong\u003e: 2711-B5A20, 2711B5A20\u003cbr\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003cspan\u003e: New\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eManufacture\/Brand\u003c\/strong\u003e\u003cspan\u003e: Allen Bradley\u003c\/span\u003e\u003cstrong data-start=\"160\" data-end=\"176\"\u003e\u003cbr\u003e\u003cbr\u003eSpecifications 2711-B5A20:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"w-full details mb-12\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eOperator Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProduct Line\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003ePanelview 550\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eUPC\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e611320035681\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProduct Family\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003ePanelView Standard Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDisplay Size\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e5.5 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDisplay Color\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eMonochrome LCD blue mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eInput Type\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eTouchscreen \/ Keypad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eNo. of touch pixels\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCommunication\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eRS-232 (DF1) Communication and RS-232 Printer\/Download Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eNo. of Function keys\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eTen (10) F1-F10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eInput Power\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e100-240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eReal Time Clock (RTC)\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eBattery-backed clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDisplay Type\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eMonochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eMemory\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e170 KB application runtime\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDisplay Area\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e120 x 60 mm (4.75 x 2.38 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBacklight\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e2711-NL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eResolution\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e256 x 128 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCommunication Cable\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e2711-NC13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eApplication memory\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e240K bytes (application screens) Series E or later; 112K bytes (application screens) prior to series E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCommunication ports\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eRS232 (DF1); RS232 (printer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eInput Voltage range\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e85-264VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSeries\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eA,B,C,D,E,F,G,H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e0…55 ° C (32…131 ° F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-y border-gray-70 first:border-t-0 last:border-b-0\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eHeat Dissipation\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e29 W (69 BTU\/HR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003e\u003c\/strong\u003e\u003cstrong data-start=\"585\" data-end=\"597\"\u003ePurpose of using 2711-B5A20\u003cspan\u003e:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong data-start=\"560\" data-end=\"585\" style=\"font-size: 0.875rem;\"\u003e1. Machine Monitoring\u003c\/strong\u003e\n\u003cp data-start=\"586\" data-end=\"625\"\u003eDisplays real-time information such as:\u003c\/p\u003e\n\u003cul data-start=\"626\" data-end=\"693\"\u003e\n\u003cli data-start=\"626\" data-end=\"647\"\u003e\n\u003cp data-start=\"628\" data-end=\"647\"\u003eStatus indicators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"648\" data-end=\"658\"\u003e\n\u003cp data-start=\"650\" data-end=\"658\"\u003eAlarms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"659\" data-end=\"677\"\u003e\n\u003cp data-start=\"661\" data-end=\"677\"\u003eProcess values\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"678\" data-end=\"693\"\u003e\n\u003cp data-start=\"680\" data-end=\"693\"\u003eSystem data\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"695\" data-end=\"722\"\u003e\u003cstrong data-start=\"699\" data-end=\"722\"\u003e2. Operator Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"723\" data-end=\"750\"\u003eThe keypad allows users to:\u003c\/p\u003e\n\u003cul data-start=\"751\" data-end=\"840\"\u003e\n\u003cli data-start=\"751\" data-end=\"771\"\u003e\n\u003cp data-start=\"753\" data-end=\"771\"\u003eAdjust setpoints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"772\" data-end=\"796\"\u003e\n\u003cp data-start=\"774\" data-end=\"796\"\u003eStart\/stop equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"797\" data-end=\"819\"\u003e\n\u003cp data-start=\"799\" data-end=\"819\"\u003eAcknowledge alarms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"820\" data-end=\"840\"\u003e\n\u003cp data-start=\"822\" data-end=\"840\"\u003eNavigate screens\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"842\" data-end=\"876\"\u003e\u003cstrong data-start=\"846\" data-end=\"876\"\u003e3. Communication With PLCs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"877\" data-end=\"922\"\u003eConnects to Rockwell Automation PLCs such as:\u003c\/p\u003e\n\u003cul data-start=\"923\" data-end=\"959\"\u003e\n\u003cli data-start=\"923\" data-end=\"934\"\u003e\n\u003cp data-start=\"925\" data-end=\"934\"\u003eSLC 500\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"935\" data-end=\"949\"\u003e\n\u003cp data-start=\"937\" data-end=\"949\"\u003eMicroLogix\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"950\" data-end=\"959\"\u003e\n\u003cp data-start=\"952\" data-end=\"959\"\u003ePLC-5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"961\" data-end=\"1010\"\u003eVia DH-485, RS-232, or other supported protocols.\u003c\/p\u003e\n\u003cp data-start=\"1012\" data-end=\"1045\"\u003e\u003cstrong data-start=\"1016\" data-end=\"1045\"\u003e4. Durable Industrial Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1046\" data-end=\"1078\"\u003eDesigned for harsh environments:\u003c\/p\u003e\n\u003cul data-start=\"1079\" data-end=\"1151\"\u003e\n\u003cli data-start=\"1079\" data-end=\"1096\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1096\"\u003eManufacturing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1097\" data-end=\"1115\"\u003e\n\u003cp data-start=\"1099\" data-end=\"1115\"\u003eAssembly lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1129\"\u003e\n\u003cp data-start=\"1118\" data-end=\"1129\"\u003ePackaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1130\" data-end=\"1151\"\u003e\n\u003cp data-start=\"1132\" data-end=\"1151\"\u003eMaterial handling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"585\" data-end=\"703\"\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSigns of a\u003c\/strong\u003e \u003cstrong\u003eBad\u003c\/strong\u003e \u003cstrong\u003ePanel Monitor Cluster Gauge 2711-B5A20\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp data-end=\"436\" data-start=\"410\"\u003e\u003cstrong data-end=\"436\" data-start=\"414\"\u003e1. Screen Problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"630\" data-start=\"437\"\u003e\n\u003cli data-end=\"485\" data-start=\"437\"\u003e\n\u003cp data-end=\"485\" data-start=\"439\"\u003eBlank screen (no power or backlight failure)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"511\" data-start=\"486\"\u003e\n\u003cp data-end=\"511\" data-start=\"488\"\u003eDim or fading display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"545\" data-start=\"512\"\u003e\n\u003cp data-end=\"545\" data-start=\"514\"\u003eFlickering or unstable screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"582\" data-start=\"546\"\u003e\n\u003cp data-end=\"582\" data-start=\"548\"\u003eBurn-in or dark spots on the LCD\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"630\" data-start=\"583\"\u003e\n\u003cp data-end=\"630\" data-start=\"585\"\u003eLines across the screen or missing graphics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"664\" data-start=\"632\"\u003e\u003cstrong data-end=\"664\" data-start=\"636\"\u003e2. Keypad Not Responding\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"794\" data-start=\"665\"\u003e\n\u003cli data-end=\"704\" data-start=\"665\"\u003e\n\u003cp data-end=\"704\" data-start=\"667\"\u003eSome buttons don’t register presses\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"741\" data-start=\"705\"\u003e\n\u003cp data-end=\"741\" data-start=\"707\"\u003eButtons double-register or stick\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"765\" data-start=\"742\"\u003e\n\u003cp data-end=\"765\" data-start=\"744\"\u003eFull keypad failure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"794\" data-start=\"766\"\u003e\n\u003cp data-end=\"794\" data-start=\"768\"\u003eMembrane worn or cracked\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"831\" data-start=\"796\"\u003e\u003cstrong data-end=\"831\" data-start=\"800\"\u003e3. Slow or Frozen Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"920\" data-start=\"832\"\u003e\n\u003cli data-end=\"858\" data-start=\"832\"\u003e\n\u003cp data-end=\"858\" data-start=\"834\"\u003eHMI freezes on boot-up\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"885\" data-start=\"859\"\u003e\n\u003cp data-end=\"885\" data-start=\"861\"\u003eSlow response to input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"920\" data-start=\"886\"\u003e\n\u003cp data-end=\"920\" data-start=\"888\"\u003eSystem stuck on loading screen\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"953\" data-start=\"922\"\u003e\u003cstrong data-end=\"953\" data-start=\"926\"\u003e4. Communication Errors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1131\" data-start=\"954\"\u003e\n\u003cli data-end=\"992\" data-start=\"954\"\u003e\n\u003cp data-end=\"992\" data-start=\"956\"\u003eLoss of communication with the PLC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1024\" data-start=\"993\"\u003e\n\u003cp data-end=\"1024\" data-start=\"995\"\u003eIntermittent comms dropouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1131\" data-start=\"1025\"\u003e\n\u003cp data-end=\"1049\" data-start=\"1027\"\u003eError messages like:\u003c\/p\u003e\n\u003cul data-end=\"1131\" data-start=\"1052\"\u003e\n\u003cli data-end=\"1070\" data-start=\"1052\"\u003e\n\u003cp data-end=\"1070\" data-start=\"1054\"\u003e\u003cem data-end=\"1068\" data-start=\"1054\"\u003e\"Comm Error\"\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1099\" data-start=\"1073\"\u003e\n\u003cp data-end=\"1099\" data-start=\"1075\"\u003e\u003cem data-end=\"1097\" data-start=\"1075\"\u003e\"PLC not responding\"\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1131\" data-start=\"1102\"\u003e\n\u003cp data-end=\"1131\" data-start=\"1104\"\u003e\u003cem data-end=\"1129\" data-start=\"1104\"\u003e\"Communication Timeout\"\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1158\" data-start=\"1133\"\u003e\u003cstrong data-end=\"1158\" data-start=\"1137\"\u003e5. Random Reboots\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1293\" data-start=\"1159\"\u003e\n\u003cli data-end=\"1186\" data-start=\"1159\"\u003e\n\u003cp data-end=\"1186\" data-start=\"1161\"\u003eUnit restarts by itself\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1293\" data-start=\"1187\"\u003e\n\u003cp data-end=\"1293\" data-start=\"1189\"\u003ePower cycling during operation\u003cbr data-end=\"1222\" data-start=\"1219\"\u003eOften caused by failing power supply components or internal capacitors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1334\" data-start=\"1295\"\u003e\u003cstrong data-end=\"1334\" data-start=\"1299\"\u003e6. Alarm or Data Display Issues\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1463\" data-start=\"1335\"\u003e\n\u003cli data-end=\"1365\" data-start=\"1335\"\u003e\n\u003cp data-end=\"1365\" data-start=\"1337\"\u003eIncorrect values displayed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1382\" data-start=\"1366\"\u003e\n\u003cp data-end=\"1382\" data-start=\"1368\"\u003eMissing data\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1463\" data-start=\"1383\"\u003e\n\u003cp data-end=\"1463\" data-start=\"1385\"\u003eNo updating of process information\u003cbr data-end=\"1422\" data-start=\"1419\"\u003eIndicates memory or communication faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1503\" data-start=\"1465\"\u003e\u003cstrong data-end=\"1503\" data-start=\"1469\"\u003e7. Burned Smell or Overheating\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1622\" data-start=\"1504\"\u003e\n\u003cli data-end=\"1539\" data-start=\"1504\"\u003e\n\u003cp data-end=\"1539\" data-start=\"1506\"\u003eInternal components overheating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1560\" data-start=\"1540\"\u003e\n\u003cp data-end=\"1560\" data-start=\"1542\"\u003eWarm front panel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1622\" data-start=\"1561\"\u003e\n\u003cp data-end=\"1622\" data-start=\"1563\"\u003eSmell of electrical burning (bad capacitors or power board)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1660\" data-start=\"1624\"\u003e\u003cstrong data-end=\"1660\" data-start=\"1628\"\u003e8. Dead or Weak Power Supply\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1766\" data-start=\"1661\"\u003e\n\u003cli data-end=\"1684\" data-start=\"1661\"\u003e\n\u003cp data-end=\"1684\" data-start=\"1663\"\u003eUnit won’t power on\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1733\" data-start=\"1685\"\u003e\n\u003cp data-end=\"1733\" data-start=\"1687\"\u003eRequires multiple attempts before turning on\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1766\" data-start=\"1734\"\u003e\n\u003cp data-end=\"1766\" data-start=\"1736\"\u003eFlickers when power is applied\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1805\" data-start=\"1768\"\u003e\u003cstrong data-end=\"1805\" data-start=\"1772\"\u003e9. Fault Codes or Boot Errors\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1869\" data-start=\"1806\"\u003eSome units display boot-time error messages or fail self-tests.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"97\" data-end=\"476\"\u003e\u003cstrong data-start=\"97\" data-end=\"151\"\u003eAbout the Manufacturer – Allen Bradley:\u003c\/strong\u003e\u003cbr data-start=\"151\" data-end=\"154\"\u003e\u003c\/p\u003e\n\u003cp data-start=\"169\" data-end=\"532\"\u003e\u003cstrong data-end=\"71\" data-start=\"54\"\u003eAllen-Bradley\u003c\/strong\u003e is a leading brand of \u003cstrong data-is-only-node=\"\" data-end=\"140\" data-start=\"94\"\u003eindustrial automation and control products\u003c\/strong\u003e, owned by \u003cstrong data-end=\"174\" data-start=\"151\"\u003eRockwell Automation\u003c\/strong\u003e. The company designs and manufactures programmable logic controllers (PLCs), human-machine interfaces (HMIs), sensors, motor controllers, and other automation components used in manufacturing, process control, and industrial systems worldwide. Allen-Bradley is known for its reliability, innovation, and integration with advanced industrial control solutions.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50308015882487,"sku":"2711-B5A20","price":2399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/7080\/3959\/files\/s-l1600-2025-11-27T011030.486.webp?v=1764198733","url":"https:\/\/forcetruckparts.com\/products\/2711-b5a20-genuine-allen-bradley%c2%ae-panelview-550-monochrome-keypad","provider":"Force Truck Parts","version":"1.0","type":"link"}