The Allen-Bradley 2711-K5A9 is an operator interface terminal from the PanelView 550 series, designed to provide reliable control and monitoring for industrial automation systems. This unit features a 5.5-inch monochrome LCD with blue mode display, offering a resolution of 256 x 128 pixels. The interface is equipped with a durable stainless-steel domed membrane keypad, including ten programmable function keys (F1 through F10) to facilitate efficient operator interaction in legacy control environments.

Features

• 5.5-inch monochrome blue mode LCD display.
• Integrated keypad with ten programmable function keys for versatile control.
• 170 KB of internal application runtime memory.
• Supports DH-485 communication protocol via RS-232.
• Dedicated RS-232 printer port for local reporting.
• Battery-backed real-time clock and advanced alarm management capabilities.

Applications

This terminal is suitable for legacy control applications requiring robust HMI functionality. It is compatible with various Allen-Bradley controller platforms, including SLC 5/03, SLC 5/04, and SLC 5/05 (via Channel 0), as well as Logix platform controllers, making it an effective solution for maintaining or upgrading existing automation architectures.

Technical Specifications

Installation Guidelines

• Ensure the panel cutout is prepared according to manufacturer specifications to maintain the integrity of the enclosure seal.
• Use shielded communication cables for RS-232 connections to minimize electromagnetic interference (EMI).
• Verify that the power supply voltage is within the specified 85-264 VAC range before applying power.
• Maintain adequate clearance around the unit to ensure proper ventilation and cooling during operation.
• Handle the unit with standard ESD precautions when performing maintenance or installation.
• Power down the system before connecting or disconnecting communication cables to prevent damage to the interface ports.

FAQ

Is this unit compatible with modern Logix controllers? Yes, the 2711-K5A9 supports communication with Logix platform controllers when configured correctly for the DH-485 protocol.

What type of power input does this terminal require? The unit operates on an AC power supply with an input range of 100-240V AC (85-264 VAC).