Allen-Bradley 2711-K5A1 PanelView 550 Standard Operator Terminal

Description

The Allen-Bradley 2711-K5A1 is a robust, industrial-grade human-machine interface (HMI) from the PanelView 550 Standard series. Designed for reliable process visualization and machine control, this terminal is engineered to withstand the rigors of demanding factory environments. It serves as a critical localized operational node, providing operators with real-time graphical feedback, diagnostic data, and control capabilities to streamline production and minimize downtime.

Features

• Tactile Input Assembly: Features a durable keypad with 10 programmable function keys (F1-F10), a full numerical keypad, and dedicated navigation buttons for precise operator input.
• Display Technology: Equipped with a 5.5-inch monochrome transflective LCD (blue mode) offering a 256 x 128 resolution for clear visualization of machine states.
• Long-Life Backlight: Integrated LED backlight rated for up to 100,000 hours of continuous operation.
• Communication Connectivity: Includes a built-in Remote I/O (RIO) port for daisy-chain topology and an RS-232 serial port dedicated to printer and alarm logging tasks.
• Rugged Enclosure: Rated NEMA 12/13 and 4X (IP54/IP65) for protection against dust, debris, and liquid splashes in indoor industrial settings.

Applications

The 2711-K5A1 is widely utilized in sectors such as automotive sub-assembly, bulk material handling, and municipal water/wastewater management. It is ideal for applications requiring a compact, reliable interface for monitoring active control loops and managing machine diagnostics.

Technical Specifications

Installation Guidelines

• Mounting: Ensure the panel cutout is clean and free of burrs. Use the provided mounting clips to secure the unit against the enclosure gasket to maintain the NEMA/IP rating.
• Power Wiring: Verify the input voltage is within the 85-264 VAC range before applying power. Ensure a dedicated ground connection is established to prevent electrical noise interference.
• Communication: Use shielded cabling (e.g., Belden 9463 for RIO) and keep signal wires separate from high-voltage power lines to minimize EMI.
• Maintenance: Power down the unit before performing any hardware maintenance or cable connections. Clean the display surface only with a soft, non-abrasive cloth.

FAQ

Is the 2711-K5A1 compatible with modern Ethernet networks?

No, this specific model utilizes Remote I/O (RIO) and RS-232 serial communication. It is designed for legacy Allen-Bradley control architectures and does not support Ethernet/IP natively.

What is the primary function of the RS-232 port?

The RS-232 port on this unit is dedicated to printer operations and real-time process alarm logging, rather than general-purpose PLC communication.