2711-K9C8 | Allen-Bradley | PanelView 900 Standard Operator Terminal

Product Overview

The Allen-Bradley 2711-K9C8 acts as a robust, industrial Human-Machine Interface (HMI) within the legacy PanelView 900 Standard Terminal product line. This keypad-input operator terminal establishes real-time process visualization and control on the plant floor. It interfaces directly with legacy PLC networks via Data Highway Plus (DH+), translating complex controller registers into multi-color graphic screens and text messages for automated machinery operators.

Technical Specifications

Engineering Advantages

• Provides True Tactile Operator Feedback: The rugged front panel incorporates 16 assignable mechanical function keys (F1–F16). This physical keypad arrangement provides positive tactile click response, ensuring error-free input registration even when operators wear heavy, insulated industrial gloves in gritty plant conditions.

• Simplifies Legacy Network Migration: An integrated DH+ port permits native, direct drop-in integration into established Data Highway Plus networks. This connection bypasses the need for costly external protocol converters when interfacing with existing PLC-5 or SLC 500 processor chassis.

• Resists Severe Liquid and Dust Ingress: When flush-mounted into a control panel cutout with the factory-supplied sealing gasket, the front bezel meets NEMA Type 4X, 12, 13, IP54, and IP65 protection standards. This sealing shields the internal logic boards from high-pressure water sprays, oil splashes, and conductive iron dust.

• Accommodates Global Voltage Tolerances: The internal universal power supply regulates incoming AC power ranging anywhere from 85V AC to 264V AC. This broad operating range prevents processor drops, terminal resets, or memory errors during significant brownouts and voltage sags.

FAQs

• Although Rockwell Automation lists the 2711-K9C8 as obsolete, do you sell authentic new stock?

  Yes. We specialize in sourcing factory-original components for critical plant operations. We guarantee this 2711-K9C8 terminal arrives in 100% brand new, original manufacturer condition, complete with factory packaging, documentation, and protective seals intact.

• Can I use the RS-232 serial port to download application screens from a PC?

  No. On this specific configuration, the RS-232 port supports local serial printer functionality only, enabling hardcopy alarm and event logging. You download runtime files from your programming workstation over the primary DH+ network link.

• How do panel builders replace the display illumination source when it dims over time?

  The internal assembly uses the standard, field-replaceable Allen-Bradley 2711-NL2 cold-cathode fluorescent backlight bulb. Technicians can access the bulb compartment from the rear of the terminal chassis without dismantling the core electronic circuit boards.