Product Details
Product Overview
The Allen Bradley 2711-K3A10L1 functions as a compact, rugged Human Machine Interface (HMI) within the PanelView 300 Standard series. It provides a specialized interface for machine-level control, utilizing a monochrome transflective LCD to ensure high visibility even in varied lighting conditions. This terminal integrates directly into DeviceNet networks, enabling efficient data exchange with programmable controllers. We offer this unit as 100% Brand New and Original, providing a critical replacement solution for maintaining legacy systems with factory-certified hardware.
Technical Specifications
The 2711-K3A10L1 delivers reliable performance through the following hardware parameters:
| Feature | Specification |
| Manufacturer | Allen Bradley |
| Product Line | PanelView 300 |
| Display Type | Monochrome Transflective LCD |
| Backlight | 100,000-hour LED |
| Resolution | 128 x 64 Pixels |
| Input Type | Tactile Keypad (F1–F8, Numeric, Cursor) |
| Communication | DeviceNet & RS-232 (Printer Port) |
| Memory | 240 KB Non-volatile (Objects/Text/Bitmaps) |
| Input Voltage | 24V DC (18–32V DC range) |
| Enclosure Rating | NEMA 4X (Indoor), 12, 13; IP65 |
| Weight | 1.50 lbs (0.68 kg) |
Engineering Advantages
The 2711-K3A10L1 addresses specific technical challenges in harsh industrial environments:
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Superior Backlight Longevity: The 100,000-hour LED backlight exceeds standard CCFL lifespans. This ensures the display remains bright and readable for over a decade of continuous operation, significantly reducing maintenance intervals.
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Tactile Feedback for Gloved Operation: The stainless-steel domed keys provide clear tactile feedback. This design allows operators to navigate menus and enter numeric data accurately while wearing heavy industrial gloves, a common limitation of touchscreen models.
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Robust Environmental Sealing: Carrying NEMA 4X and IP65 ratings, the front bezel resists high-pressure washdowns, oil, and corrosive debris. This enables installation in food processing or metalworking environments where contaminants are prevalent.
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Integrated Network Diagnostics: Two dedicated status indicators (Green for COMM, Red for Fault) provide instant visual confirmation of network health. Engineers troubleshoot connectivity issues at a glance without needing to bridge into the DeviceNet trunk.
FAQs
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How do I connect this terminal to a PC for programming?
You require the 1761-CBL-PM02 communication cable and PanelBuilder32 software. While the unit communicates via DeviceNet on the plant floor, the RS-232 port facilitates local configuration and application uploads.
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Can this model replace an older 2711-K3A5L1 (DH-485) unit?
Physically, the units fit the same panel cutout. However, since the 2711-K3A10L1 utilizes the DeviceNet protocol, you must update your network architecture and PLC communication logic to accommodate the shift from DH-485 to DeviceNet.
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What is the significance of the "Transflective" display?
Transflective technology uses both backlighting and ambient light. In bright environments, the display reflects ambient light to increase contrast, whereas in dark areas, the LED backlight provides the necessary illumination. This prevents the "washout" effect common in standard LCDs.
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Does the 240 KB memory limit the complexity of my screens?
The memory specifically holds application objects, text, and bitmaps. By using simple vector graphics rather than high-resolution bitmaps, you can maximize this space to support dozens of functional control screens and alarm summaries.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
PLC vs. HMI: Distinguishing the Brain from the Interface in Industrial Automation
In the realm of industrial automation, distinguishing between a Programmable Logic Controller (PLC) and a Human-Machine Interface (HMI) is fundamental. While both devices work in tandem, they serve distinct purposes. The PLC acts as the "brain" of the operation, executing logic, whereas the HMI serves as the "eyes," allowing operators to monitor and interact with the system. Understanding this synergy is essential for any professional designing robust factory automation solutions.
Selecting the Right Industrial Automation Solution for Modern Manufacturing
Choosing an effective industrial automation system starts with a thorough process audit. You must identify tasks that are repetitive, labor-intensive, or prone to human error. Not every process requires high-level automation; therefore, prioritize operations that directly impact throughput and quality. By scoping your needs accurately, you avoid over-investing in unnecessary technology. A balanced approach ensures that your capital expenditure aligns with measurable gains in operational efficiency.
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.