Allen-Bradley 2711-B5A1 Operator Terminal – Obsolete PanelView 550 Spare Part
Allen-Bradley 2711-B5A1 is listed for PanelView RFQ review. Confirm quantity, condition and destination before quotation.
Model: PanelView 1000 Color Keypad
Product Overview
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Datasheet Preview
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Commercial Path
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Technical Dossier
The Allen-Bradley PanelView 1000 series (Rockwell Automation catalog prefix: 2711) is a 10.4-inch operator interface terminal platform deployed extensively across global heavy industry verticals including petrochemical refineries, nuclear power generation facilities, offshore oil & gas platforms, and continuous-process chemical plants. With a screen diagonal of 10.4 inches and support for both keypad and touch input configurations, the PanelView 1000 established itself as a standard HMI node within Allen-Bradley PLC-5, SLC 500, and early ControlLogix architectures. Installed base counts in the hundreds of thousands of units globally, making long-term spare parts availability a critical operational concern for plant maintenance engineers.
The PanelView 1000 platform was introduced in the early 1990s as part of Rockwell Automation's broader 2711 HMI family, which spanned screen sizes from 550 to 1400. The original 2711-Kxx and 2711-Txx variants communicated via DH+, DH-485, and RS-232 DF1 protocols, tightly coupled to PLC-5 and SLC 500 backplane architectures. A subsequent hardware revision introduced enhanced EL (electroluminescent) and color STN LCD display technologies, reflected in the C-suffix model designations (e.g., 2711-K10C15L1 for color keypad). Communication options expanded to include DeviceNet and Remote I/O in later catalog variants. The series entered end-of-life (EOL) status under Rockwell's product lifecycle policy, with the recommended migration path being the PanelView Plus 1000 (2711P-T10Cxx) and PanelView Plus 7 Standard platforms. Despite EOL status, the 2711 series remains in active service at facilities with long capital replacement cycles, creating sustained demand for certified replacement units and tested spare modules.
The following catalog numbers represent verified Allen-Bradley PanelView 1000 (2711) series part numbers, organized by input type and communication interface:
Color Keypad Terminals
2711-K10C15L1: 10.4-in color STN keypad, DH+/RS-232 DF1, 24VDC
2711-K10C15L2: 10.4-in color STN keypad, DH+/RS-232 DF1, 120VAC
2711-K10C15L3: 10.4-in color STN keypad, DH+/RS-232 DF1, 240VAC
2711-K10C8L1: 10.4-in color STN keypad, DH-485/RS-232, 24VDC
2711-K10C8L2: 10.4-in color STN keypad, DH-485/RS-232, 120VAC
Color Touch Screen Terminals
2711-T10C15L1: 10.4-in color STN touch, DH+/RS-232 DF1, 24VDC
2711-T10C15L2: 10.4-in color STN touch, DH+/RS-232 DF1, 120VAC
2711-T10C15L3: 10.4-in color STN touch, DH+/RS-232 DF1, 240VAC
2711-T10C8L1: 10.4-in color STN touch, DH-485/RS-232, 24VDC
2711-T10C8L2: 10.4-in color STN touch, DH-485/RS-232, 120VAC
Monochrome Keypad Terminals
2711-K10G15L1: 10.4-in monochrome EL keypad, DH+/RS-232 DF1, 24VDC
2711-K10G15L2: 10.4-in monochrome EL keypad, DH+/RS-232 DF1, 120VAC
2711-K10G8L1: 10.4-in monochrome EL keypad, DH-485/RS-232, 24VDC
Monochrome Touch Screen Terminals
2711-T10G15L1: 10.4-in monochrome EL touch, DH+/RS-232 DF1, 24VDC
2711-T10G15L2: 10.4-in monochrome EL touch, DH+/RS-232 DF1, 120VAC
2711-T10G8L1: 10.4-in monochrome EL touch, DH-485/RS-232, 24VDC
Each 2711 series unit processed by DriveKNMS undergoes a structured test protocol specific to the HMI platform's hardware architecture. Display verification covers full-screen pixel mapping for STN color panels (checking for dead pixel clusters exceeding OEM tolerance thresholds) and EL panel luminance uniformity. Communication port testing validates DH+ token-passing behavior, DH-485 multi-drop addressing, and RS-232 DF1 full-duplex framing using protocol analyzers configured to Allen-Bradley specification. Keypad membrane continuity is verified across all function keys, numeric keys, and navigation keys using automated matrix scanning. Power supply regulation is tested at rated input voltage (24VDC ±10%, 120VAC ±10%, 240VAC ±10%) under simulated load. Units are burned in for a minimum of 24 hours prior to final inspection and packaging.
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