Title: Allen-Bradley PanelView 550 2711-B5A8L1X HMI Terminal – 5.7-inch Monochrome Keypad/Touchscreen Operator Interface

Product Overview:
The Allen-Bradley PanelView 550 2711-B5A8L1X is a robust and reliable Human Machine Interface (HMI) terminal designed for industrial automation applications. As part of the PanelView Standard 550 series, this operator interface features a crisp 5.7-inch monochrome (grayscale) display, providing clear visualization of critical process data and machine status. It offers dual input capabilities with both an integrated keypad and a responsive touchscreen, ensuring flexible and precise operator interaction in diverse industrial environments. Equipped with an RS-232 (DF1) communication port, the 2711-B5A8L1X facilitates seamless and reliable serial communication with Allen-Bradley PLCs, making it an ideal solution for enhancing machine control, monitoring, and data acquisition. Powered by AC voltage, this PanelView terminal is engineered for durability and consistent performance, contributing to improved operational efficiency and reduced downtime in manufacturing and process control settings.

Key Features & Benefits:

5.7-inch Monochrome (Grayscale) Display: Provides clear, high-contrast visuals for critical data and alarms, ensuring readability even in challenging industrial lighting conditions.
Dual Input Method (Keypad & Touchscreen): Offers versatile operator control, allowing for precise data entry via the integrated keypad or intuitive navigation through the touchscreen, accommodating various operational preferences and gloved hands.
RS-232 (DF1) Communication Port: Enables reliable and direct serial communication with a wide range of Allen-Bradley programmable logic controllers (PLCs), including SLC 5/03, SLC 5/04, SLC 5/05, and PLC-5 families, for efficient data exchange.
AC Powered Operation: Designed for standard industrial AC power supplies (85-264V AC), simplifying installation and integration into existing electrical infrastructures.
Robust Industrial Design: Built to withstand harsh industrial environments, featuring a durable enclosure and front panel ratings (NEMA 4X, 12; IP65) that protect against dust, water, and vibrations.
Enhanced Operator Productivity: Simplifies machine operation and monitoring through an intuitive interface, reducing training time and minimizing human error.
Comprehensive Diagnostics: Provides real-time status updates, alarm management, and diagnostic information, enabling quick identification and resolution of operational issues.
PanelBuilder32 Software Compatibility: Programmed using the widely adopted PanelBuilder32 software, allowing for easy application development, configuration, and maintenance.
Standard Memory (256KB): Sufficient non-volatile memory for storing complex applications, screens, and data logs, ensuring reliable operation without data loss.

Applications:

The Allen-Bradley PanelView 550 2711-B5A8L1X is suitable for a broad spectrum of industrial applications requiring reliable operator interface and control, including:
Manufacturing and Assembly Lines: Machine control, production monitoring, and status display.
Process Control: Chemical processing, water and wastewater treatment, oil and gas, and food and beverage industries.
Material Handling: Conveyor systems, automated storage and retrieval systems (AS/RS), and packaging machinery.
Building Automation: HVAC control, energy management, and security system interfaces.
Energy Management: Power distribution monitoring and control in industrial facilities.
Discrete Manufacturing: Control of presses, robotics, and specialized machinery.
Any industrial environment where operators need to interact with PLC-controlled systems for data visualization, input, and process management.

Technical Specifications:

Part Number: 2711-B5A8L1X
Alternate Part Number: 2711B5A8L1X
Series: PanelView Standard 550
Display Size: 5.7 inches
Display Type: Monochrome (Grayscale) LCD
Resolution: 320 x 240 pixels (QVGA)
Input Method: Keypad and Analog Resistive Touchscreen
Keypad Features: 10 Function Keys (F1-F10), Numeric Keypad, Navigation Keys
Communication Port: RS-232 (DF1 Protocol)
Application Memory: 256 KB Non-Volatile Memory
Backlight Life: Approximately 50,000 hours (at half brightness)
Input Voltage: 85-264V AC, 47-63 Hz
Power Consumption: Max 60 VA (approx. 30W)
Operating Temperature: 0°C to 50°C (32°F to 122°F)
Storage Temperature: -25°C to 70°C (-13°F to 158°F)
Relative Humidity: 5% to 95% non-condensing
Enclosure Rating: NEMA 4X, 12; IP65 (Front Panel)
Software Compatibility: PanelBuilder32
Weight: Approximately 1.8 kg (3.97 lbs)