Overview
The Allen-Bradley 2711-B5A20 is a PanelView 550 Standard Operator Terminal from Rockwell Automation’s discontinued Bulletin 2711 family. This operator terminal is powered by an external 85-264V AC supply voltage and has a 5.5-inch display with embedded Ethernet communication and RS232 printer ports. This product is primarily used to implement factory-floor level monitoring and control and capable of directly interfacing with controllers and other devices via the embedded Ethernet communication interface.
Key Features
- 5.5-inch monochrome LCD Blue Mode display with effective display area of 120 x 60 mm (4.75 x 2.38 in.) and resolution of 256 x 128 pixels
- Ten (10) Function keys and a Touchscreen operator interface
- Ethernet communication port and RS-232 Printer Port
- Internal backlight with replacement part number 2711-NL1
- IEC IP54, IEC IP65, UL, CUL, C-Tick, CE, Class I Division 2, Class I Zone 2, Class II Division 2, and Class III Division 1 certified
Technical Specifications
- Display Type: 5.5-inch Monochrome LCD, Touchscreen + Keypad
- Resolution: 256 x 128 pixels
- Input Voltage: 85–264V AC, 47–63 Hz
- Memory (RAM): 170 KB
- Memory (Non-Volatile): 240 KB
- Communications: EtherNet/IP, RS-232 Printer Port
- Operator Input: 10 Function Keys (F1–F10), Directional Keys, Touch-Sensitive Membrane
- Dimensions: 14 x 11 x 8 inches (shipping)
- Weight: Approximately 6 lbs
- Mounting: NEMA Type 12, 13, or 4X enclosures (indoor-rated)
- Product Family: PanelView 550 Standard Operator Terminal
- Lifecycle Status: Discontinued (as of December 31, 2012)
Typical Applications
The 2711-B5A20 is ideal for legacy industrial automation systems requiring:
- Factory-floor monitoring and control interfaces
- Direct communication with programmable logic controllers (PLCs) via EtherNet/IP
- Retrofit and upgrade projects in existing plants
- Small-to-medium HMI applications in NEMA 12/13/4X enclosures
- Alarm printing and documentation via RS-232 printer port
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix controllers (via EtherNet/IP)
- Allen-Bradley ControlLogix controllers (via EtherNet/IP)
- Rockwell Automation EtherNet/IP-enabled devices
- Linear Ethernet topology networks (external switches recommended for ring topology)
- External printers via RS-232 serial connection
Replaces / Drop-In Replacement For
The 2711-B5A20 is a specific model within the PanelView 550 series. Related touchscreen models in the same family include:
- 2711-B5A5 (PanelView 550 variant)
- 2711-B5A8 (PanelView 550 variant)
For legacy systems, verify exact compatibility and communication protocol requirements with your system integrator before ordering.
Works With
- EtherNet/IP industrial networking protocol
- Rockwell Automation Studio 5000 / RSLogix 5000 (application development)
- RS-232 serial communication for printer integration
- Windows-based HMI development environments compatible with PanelView Standard terminals
