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Allen Bradley PanelView 550 Keypad Operator Interface 2711-K5A1L1

Allen Bradley PanelView 550 Keypad Operator Interface

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ManufacturerAllen Bradley

Part number2711-K5A1L1

Display Size 5.5 in

Display Type Monochrome LCD (blue mode)

Resolution 128 x 64 pixels

Operator Input Keypad (F1-F10)

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12-month warranty

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Veteran-owned

CAGE: 9NK75

5.5-inch monochrome display Keypad interface RIO and RS-232 communication Real-time clock Panel mount design Legacy system support

Product description

The Allen-Bradley 2711-K5A1L1 is a PanelView 550 operator interface terminal featuring a 5.5-inch monochrome LCD display with a blue mode backlight. It includes a keypad input with 10 function keys (F1-F10) and supports Remote I/O (RIO) communication as well as an RS-232 printer port. This terminal operates on 24V DC input power and has 170 KB of application runtime memory.

This HMI is ideal for legacy automation systems and applications requiring simple operator input and monitoring. It is commonly found in manufacturing environments where older control systems are still in operation, providing essential interface capabilities.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Allen-Bradley 2711-K5A1L1. We provide reliable surplus industrial automation parts, ensuring you can maintain your legacy equipment with competitive pricing and prompt delivery.

Technical specifications

Display Size	5.5 in
Display Type	Monochrome LCD (blue mode)
Resolution	128 x 64 pixels
Operator Input	Keypad (F1-F10)
Communication Ports	1 x Remote I/O (RIO), 1 x RS-232 Printer Port
Input Power	24V DC
Runtime Memory	170 KB
Real-Time Clock	Yes

Common applications

Legacy Automation Systems

Machine Monitoring

Operator Control

Manufacturing

Food & Beverage

Pharmaceutical

Compatible systems

Allen-Bradley PLC-5, SLC 500, and other controllers supporting RIO communication.

Also known as

PanelView 550 2711-K5A1L1 HMI Allen Bradley Keypad Interface

Replaces / compatible with

The 2711-K5A1L1 is a discontinued PanelView 550 terminal. It serves as a direct replacement for other 2711-K5A1L1 units or can be used to upgrade older HMI systems within the PanelView 550 series.

Technical note

Expert tip

This unit is discontinued by the manufacturer, making surplus or refurbished units essential for maintaining legacy systems that rely on PanelView 550 compatibility.

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Frequently asked questions

What communication ports are available on the Allen-Bradley 2711-K5A1L1 operator interface?

The 2711-K5A1L1 features a Remote I/O (RIO) communication port for connecting to PLC networks and an RS-232 printer port for data output.