Description

The Allen-Bradley 2711-K3A17L1 is a PanelView 300 Standard Operator Terminal designed for industrial human-machine interface (HMI) applications. This compact unit features a 3-inch monochrome transflective LCD display with an integrated LED backlight, providing clear visibility in various lighting conditions. It is engineered for reliable performance in demanding environments, utilizing a keypad-based input method for precise operator control.

Features

• 3-inch monochrome transflective LCD display with LED backlight.
• Integrated keypad assembly featuring 8 function keys (F1 through F8), dedicated cursor keys, and numeric entry keys.
• RS-232 (DF1) communication port for seamless integration with PLC controllers.
• 240 KB nonvolatile memory for application storage.
• 170 KB of dedicated application runtime memory.
• Compact design suitable for space-constrained control panels.

Technical Specifications

Installation Guidelines

• Ensure the panel cutout is prepared according to the manufacturer's mounting template to maintain the integrity of the enclosure seal.
• Use shielded communication cables for the RS-232 port to minimize electromagnetic interference (EMI).
• Verify that the power supply provides a stable 24V DC source within the 18-32V DC range before connecting.
• Ensure proper grounding of the terminal chassis to a common earth ground to prevent electrical noise issues.
• The terminal should be installed in an environment that meets the specified operating temperature and humidity ratings to ensure longevity.
• Always power down the device before connecting or disconnecting communication cables or power leads.

FAQ

What type of communication does the 2711-K3A17L1 support?

This model is equipped with an RS-232 (DF1) communication port, which allows it to communicate directly with Allen-Bradley controllers and other compatible devices using the DF1 protocol.

Can this terminal be used for color graphics?

No, the 2711-K3A17L1 features a monochrome transflective LCD display. It is designed for text-based and simple graphical interface applications.

What is the primary input method for this device?

The device uses a physical keypad assembly, which includes 8 function keys (F1-F8), cursor navigation keys, and a numeric keypad for data entry.