{"product_id":"allen-bradley-2711-b6c9l1-standard-operator-terminal","title":"Allen-Bradley 2711-B6C9L1 Standard Operator Terminal","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 2711-B6C9L1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e2711-B6C9L1\u003c\/strong\u003e Operator Interface, operates as a dedicated hardware component for human-machine visualization and dual keypad\/touch input execution within RS-232 (DH-485) communication networks.\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\u003e2711-B6C9L1\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\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\u003e2.00 kg (4.41 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e185 mm x 285 mm x 106 mm (7.28 in. x 11.22 in. x 4.17 in.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e24 W maximum (24 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC (24 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003e5.7-inch Active Matrix Color TFT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Resolution\u003c\/td\u003e\n\u003ctd\u003e320 x 234 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperator Input\u003c\/td\u003e\n\u003ctd\u003eKeypad (F1-F10 Function Keys) \u0026amp; Analog Resistive Touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232 Communication Port (DH-485 Protocol), RS-232 Printer Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Memory\u003c\/td\u003e\n\u003ctd\u003e240 KB Application Flash Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eNEMA 12, 13, 4X (Indoor) \/ IP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; Deterministic Network Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 2711-B6C9L1 PanelView 600 terminal communicates over RS-232 serial channels utilizing DH-485 protocol to exchange deterministic tag data, alarm bits, and user setpoints directly with SLC 500, MicroLogix, and ControlLogix systems. The primary serial interface maintains predictable point-to-point and multi-drop communication velocity, while an independent RS-232 printer port handles asynchronous alarm event logging and report printing. Onboard firmware flash compatibility supports rapid application project downloads via PanelBuilder32 software, maintaining reliable I\/O density scaling and scan synchronization across industrial automation environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What power input range is required to operate the 2711-B6C9L1 operator terminal?\u003c\/p\u003e\n\u003cp\u003eA: The 2711-B6C9L1 requires a 24 VDC nominal external supply, operating reliably within an input voltage window of 18 VDC to 32 VDC.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 2711-B6C9L1 terminal be removed or reinstalled while 24 VDC power is energized?\u003c\/p\u003e\n\u003cp\u003eA: No. Main 24 VDC power feeds and RS-232 communication cables must be completely isolated before disconnecting or installing the terminal to avoid electrical contact arcing and logic corruption.\u003c\/p\u003e\n\u003cp\u003eQ: How are operator screen layouts and configured system parameters retained during a power loss?\u003c\/p\u003e\n\u003cp\u003eA: System application graphics, tag maps, and user settings are written directly to internal nonvolatile flash memory, securing application files indefinitely without requiring a battery.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eCut a rectangular mounting opening measuring 167 mm x 264 mm (6.57 in. x 10.39 in.) in a NEMA 4X or IP65 enclosure door. Position the 2711-B6C9L1 through the panel cutout, ensuring the sealing gasket rests flush against the panel face to maintain environmental sealing.\u003c\/p\u003e\n\u003cp\u003eSecure the terminal housing using the provided mounting clips, tightening the screws evenly in an alternating sequence to a torque specification of 1.1 Nm to 1.4 Nm (10 in-lbs to 12 in-lbs). Terminate the 24 VDC power leads using copper wire rated for 75 deg C or higher, observing correct terminal polarity (+24 VDC and DC Common). Bond the terminal grounding stud directly to the cabinet main earth grounding bus with a low-impedance copper strap.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52836513382680,"sku":"2711-B6C9L1","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/2711-B6C8_Cocoai_3c67eae1-12c6-41e2-a2c7-b6ef7c7b01d9.jpg?v=1791512158","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-2711-b6c9l1-standard-operator-terminal","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}