Allen-Bradley 2711-K3A17L1 HMI Keypad Terminal – Obsolete PanelView 300 Spare Part

Technical Dossier

Product Details And Specifications

Allen-Bradley 2711-K3A17L1 HMI Keypad Terminal – Obsolete PanelView 300 Spare Part

When a PanelView 300 keypad terminal fails on an active production line, the consequences are immediate and measurable. The 2711-K3A17L1 is no longer manufactured by Rockwell Automation. Sourcing a direct replacement through standard distribution channels is not possible. The alternative — a full HMI platform migration — carries engineering costs, PLC program re-mapping, operator retraining, and production downtime that routinely exceed six figures. For facilities running PLC-5, SLC 500, or MicroLogix-based control architectures, this single component is the difference between a line that runs and a line that does not.

DriveKNMS maintains verified stock of the 2711-K3A17L1. This is not a catalog listing with a lead time. This is physical inventory, inspected and available for immediate dispatch.

Technical Specifications

Solving the Discontinued Hardware Crisis

The PanelView 300 series was a cornerstone of Allen-Bradley's operator interface lineup throughout the 1990s and into the 2000s. Thousands of units were installed across food and beverage, automotive, water treatment, and discrete manufacturing facilities worldwide. Rockwell Automation has long since discontinued both the hardware and its associated software support under RSView.

The 2711-K3A17L1 specifically serves as the operator input device in these legacy HMI stations. Without it, the operator has no means to interact with the control system — no setpoint entry, no mode selection, no alarm acknowledgment. In a fully automated cell, this renders the entire station inoperable regardless of whether the PLC, drives, and I/O modules are functioning correctly.

Upgrading to a current-generation PanelView Plus or PanelView 800 is not a drop-in exercise. It requires new communication drivers, revised application logic in FactoryTalk View, updated cable assemblies, and in many cases, modifications to the control panel enclosure. For a single-line facility with one or two HMI stations, this engineering scope is difficult to justify economically — particularly when the underlying PLC-5 or SLC 500 system itself is also approaching end-of-support.

The financially rational path for most operations is to maintain the existing architecture with verified spare parts for as long as the production economics support it. A single 2711-K3A17L1 held in reserve can defer a six-figure upgrade project by three to five years. A small buffer stock of two to three units extends that window further, covering both failure events and the time required to plan a structured migration on the facility's own schedule rather than under emergency conditions.

Condition & Reliability Assurance

Obsolete parts sourced from secondary markets carry real risk. Age-related degradation is not always visible on the surface. DriveKNMS applies a five-step inspection protocol to every 2711-K3A17L1 unit before it leaves our facility:

• Electrolytic Capacitor Assessment: Capacitors are the most common failure point in aged electronics. Each unit is inspected for bulging, leakage, and ESR deviation from specification.
• Firmware Version Verification: The installed firmware is confirmed against known compatible versions for PLC-5 and SLC 500 communication. Units with corrupted or mismatched firmware are quarantined.
• Pin and Connector Inspection: All communication port pins are examined under magnification for corrosion, bending, and oxidation. Affected contacts are cleaned or the unit is rejected.
• Keypad Membrane Functional Test: Every key is actuated and verified for consistent electrical response. Membrane degradation is a known failure mode in stored units.
• Power-On Functional Verification: Where test equipment permits, units are powered and verified to initialize correctly before dispatch.

Key Features for System Maintenance

The 2711-K3A17L1 is a direct hardware replacement for any existing PanelView 300 keypad terminal of the same part number. There is no firmware re-flashing required on the replacement unit for standard installations. The existing application file loaded on the original terminal does not need to be re-authored. Communication parameters configured in the original system remain valid.

This means a maintenance technician with basic familiarity with the system can execute the swap without specialist engineering support. There is no requirement to engage a system integrator, no need to modify the PLC program, and no risk of introducing new variables into a stable control architecture. The replacement restores the station to its prior operating state.

For facilities that have standardized on PLC-5 or SLC 500 platforms across multiple lines, maintaining a shared spare parts inventory that includes the 2711-K3A17L1 is a straightforward asset protection measure. The cost of holding two units in reserve is a fraction of the cost of a single unplanned production stoppage.

FAQ

What warranty applies to a discontinued part?
DriveKNMS provides a 90-day warranty against functional defects on all inspected units. This covers failure under normal operating conditions and excludes physical damage incurred after delivery.

How do I confirm the unit is genuine and not counterfeit?
All units sourced by DriveKNMS are verified against Allen-Bradley labeling standards, date codes, and physical construction characteristics. We do not source from unverified brokers. Provenance documentation is available on request.

Should I buy more than one unit?
For any facility where this terminal is installed in a critical position — meaning its failure stops production — holding a minimum of one spare on-site is standard practice. For multi-line facilities or those with long lead times for engineering support, two to three units is a defensible inventory position. The cost of the spare is fixed; the cost of the downtime is not.

Can you source other PanelView 300 components?
Yes. DriveKNMS specializes in obsolete and hard-to-find Allen-Bradley and Rockwell Automation components. Contact us with your full part number for availability.

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