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Description
Application Scenarios
At a beverage bottling plant in the Pacific Northwest, operators relied on hardwired push buttons to manage filler capping stations, leading to frequent misconfigurations during SKU changes. By deploying the 2711-K3A10L1 at each station, engineers enabled real-time display of torque settings, cycle counts, and fault codes—directly pulled from the SLC 5/03 controller via DH485. The numeric keypad allowed instant parameter adjustments without stopping the line, while the compact footprint fit seamlessly into existing enclosures. Within six months, changeover errors dropped by 90%, and maintenance calls for “phantom jams” vanished—showcasing how the 2711-K3A10L1 brings intelligence to legacy machinery with minimal retrofit effort.
Parameter
Main Parameters Value/Description
Product Model 2711-K3A10L1
Manufacturer Rockwell Automation (Allen Bradley)
Product Category Keypad Operator Interface Terminal / HMI
Display Type Monochrome LCD with anti-glare coating
Display Size 3.8 inches (viewable area: 96 x 64 mm)
Display Lines 10 lines of text (20 characters per line)
Input Interface 10 programmable function keys + full numeric keypad + navigation arrows
Communication Ports DH485 (primary for SLC/PLC 5), RS-232 (printer or serial peripheral)
Power Supply 24 VDC nominal (operating range: 18–32 VDC)
Mounting Method Panel mount with NEMA/IP-rated gasket (IP65/NEMA Type 12/13/4X when sealed properly)
Operating Temperature 0°C to +55°C
Firmware Version Typically Rev 4.10 (field-upgradable via PanelBuilder 32)
Technical Principles and Innovative Values
- Innovation Point 1: The 2711-K3A10L1 uses deterministic polling over DH485 to maintain tight synchronization with SLC processors, ensuring sub-second data updates even in electrically noisy environments like motor-driven conveyors.
- Innovation Point 2: Its dual-layer silicone keypad offers >1 million actuation cycles and glove-friendly tactile feedback—ideal for washdown zones in food processing or cold-storage facilities.
- Innovation Point 3: Built-in screen contrast adjustment compensates for ambient lighting variations, maintaining readability from dim backrooms to sunlit loading docks without external hoods.
- Innovation Point 4: Local tag mapping allows a single function key to trigger context-sensitive actions (e.g., “Start” on one screen, “Acknowledge Alarm” on another), maximizing usability within hardware constraints.
Application Cases and Industry Value
In a pharmaceutical tablet press line undergoing FDA compliance upgrades, the Allen Bradley 2711-K3A10L1 replaced analog meters and toggle switches. Each terminal displayed batch counters, pressure thresholds, and audit-ready event logs with timestamps. Operators used password-protected screens to adjust compression force within validated ranges, while the DH485 link ensured all changes were mirrored in the central SLC 5/04 controller. Over two years, the facility passed three consecutive audits with zero non-conformities related to manual intervention—validating the 2711-K3A10L1 as a bridge between operational simplicity and regulatory rigor.
Related Product Combination Solutions
Enhance system functionality with these compatible models:
- 2711-K3A5L1: Shorter 5-line display variant for space-constrained panels
- 2711-K3A17L1: Extended 17-line version for complex messaging
- 1747-PIC: DH485-to-PC interface for application development and diagnostics
- 2711-NC13: Replacement keypad membrane for field servicing
- 1747-L532: SLC 5/03 processor with native DH485 support
- 2711-NV4: Anti-glare overlay to reduce screen reflections
- 9324-RLD001: RSLogix 500 software for logic programming
- 1761-NET-AIC: Isolated communication adapter for noise-prone networks
