The Allen-Bradley 2711-B5A8 is a high-performance operator terminal within the PanelView 550 Standard product line. Designed for demanding industrial environments, this AC-powered HMI provides real-time process monitoring, alarm data synchronization, and manual control inputs. It serves as a consolidated interface for automated systems, replacing complex physical pushbutton arrays with a streamlined electronic layout to improve operational efficiency and reduce downtime.
Features
Hybrid input interface featuring both an analog resistive touchscreen and a 10-key mechanical function keypad (F1-F10).
5.5-inch monochrome blue-mode LCD display with 256 x 128 pixel resolution.
Integrated Data Highway Plus (DH+) communication port for robust plant-floor networking.
Dedicated RS-232 serial port for local printer connectivity and data logging.
Solid-state LED backlight rated for 100,000 hours of service.
Dual-memory architecture with 170 KB for application runtime and 240 KB for nonvolatile storage.
Applications
This operator terminal is engineered for continuous operation in critical industrial sectors, including oil and gas refining, chemical processing, water management, and automated packaging lines.
Technical Specifications
Model
2711-B5A8
Product Line
PanelView 550
Display Size
5.5 inches
Display Type
Monochrome blue-mode LCD
Resolution
256 x 128 pixels
Input Method
Keypad and Touchscreen
Communication
DH+ Port, RS-232 Printer Port
Power Input
85-264 VAC, 47-63 Hz
Operating Temperature
0 to 55 deg C
Memory
170 KB Runtime / 240 KB Nonvolatile
Installation Guidelines
Ensure the unit is installed in a NEMA-rated enclosure suitable for the environmental conditions of the facility.
Verify that the power supply matches the 85-264 VAC range before connection.
Maintain proper clearance around the unit to ensure adequate ventilation and cooling.
Use shielded cables for communication interfaces to minimize EMI interference.
Always disconnect power before installing or removing the module from the panel cutout.
Handle with care to avoid damage to the touchscreen matrix and LCD display.
FAQ
Is this unit still supported?
The 2711-B5A8 is classified as a discontinued or obsolete product by the manufacturer. Maintenance and replacement strategies should account for its legacy status.
What cables are required for the printer port?
The RS-232 printer port typically utilizes the 2711-NC13 communication cable for local data logging applications.
