Description

The Allen-Bradley 2711-K3A5L1 is a PanelView 300 operator interface terminal designed for industrial monitoring and control applications. This unit features a 3-inch monochrome display and a dedicated keypad for operator input. It provides essential visualization and control capabilities for small-scale automation systems, allowing operators to interact with PLC data, monitor machine status, and manage process variables effectively.

Features

• Compact 3-inch monochrome display for clear data visualization.
• Integrated keypad interface for reliable operator input in industrial environments.
• Equipped with an RS-232 (DH-485) communication port for PLC connectivity.
• Includes a dedicated RS-232 printer port for local data logging.
• Operates on a DC power supply.
• Discontinued by the manufacturer as of June 30, 2012.

Technical Specifications

Installation Guidelines

• Ensure the panel cutout is prepared according to the manufacturer's mounting specifications to maintain the integrity of the enclosure seal.
• Use appropriate grounding practices to minimize electrical noise interference, especially when routing communication cables.
• Keep the terminal away from high-EMI sources such as large contactors, drives, or high-voltage cabling.
• Verify that the DC power supply voltage matches the requirements of the 2711-K3A5L1 before applying power.
• Always power down the system before connecting or disconnecting communication cables to prevent damage to the interface ports.
• Maintain adequate ventilation around the unit to prevent overheating during continuous operation.

FAQ

Is the 2711-K3A5L1 still supported by Allen-Bradley?

No, this unit was officially discontinued by the manufacturer on June 30, 2012. It is typically sourced through surplus or refurbished channels for maintenance of legacy systems.

What communication protocols does this terminal support?

The 2711-K3A5L1 supports DH-485 communication via its RS-232 port, which is standard for many legacy Allen-Bradley PLC architectures.