Product Overview
The Allen-Bradley 2711P-K4M5D is a PanelView Plus 400 operator terminal engineered for centralized, real-time monitoring and control of industrial machinery. As a Human Machine Interface (HMI), it delivers a compact, reliable solution for visualizing and managing automated processes. This discontinued model remains a valuable spare part for existing systems, ensuring continuity in your operations.
Key Features & Benefits
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Compact Grayscale Display: 3.8-inch FSTN passive matrix screen with 320 x 240 resolution offers clear visibility for process data.
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Flexible Keypad Input: Eight fully programmable function keys (F1-F8), numeric keys, and navigation controls allow efficient operator interaction, even with gloves.
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Dependable Communication: RS-232 port supporting DF1 and DH485 protocols enables point-to-point connectivity with PLCs and other devices.
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Robust Power Design: Operates on 18-30 VDC (nominal 24 VDC), suitable for industrial power systems.
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Time-Stamped Data: Battery-backed real-time clock with ±2 minutes/month accuracy supports event logging and data integrity.
Technical Specifications
| Parameter |
Value |
| Manufacturer |
Rockwell Automation |
| Brand |
Allen-Bradley |
| Part Number |
2711P-K4M5D |
| Product Line |
PanelView Plus 400 |
| Product Family |
PanelView Plus Terminals |
| Product Type |
Operator Terminals |
| Display Size |
3.8 inches |
| Display Color |
Grayscale |
| Display Type |
Grayscale passive matrix, film compensated super-twist nematic (FSTN) |
| Display Area |
77 x 58 mm (3.0 x 2.3 in.) |
| Resolution |
320 x 240 pixels |
| Input Type |
Keypad |
| Function Keys |
Eight (8) F1-F8 |
| Communication Ports |
RS-232; USB |
| Communication Protocols |
DF1; DH485 |
| Input Voltage Range |
18-30 VDC; 24 VDC nominal |
| Input Power |
DC |
| Memory |
64 MB |
| Application Memory |
5 MB (Series A); 10 MB (Series B) |
| Real Time Clock |
Battery-backed clock |
| Clock Accuracy |
±2 minutes per month |
| Series |
A, B, C, D, E |
| Product Lifecycle Status |
Discontinued/Obsolete |
Industry Applications
The 2711P-K4M5D excels in environments where reliable, straightforward operator interface is critical. Typical applications include:
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Machine Control: Monitor and control production line equipment, providing real-time status and alarm notification.
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Process Monitoring: Display process variables such as temperature, pressure, and flow, allowing operators to adjust parameters quickly.
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Packaging Systems: Integrate with PLCs to manage packaging machinery, improving efficiency and reducing downtime.
Installation & Setup Guidance
Proper installation ensures reliable operation. Follow these guidelines:
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Mounting: Panel-mount the terminal with the specified cutout dimensions (123 mm height x 156 mm width). The overall dimensions are 150 mm H x 185 mm W x 90 mm D.
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Environment: Install in a Pollution Degree 2 industrial environment. Maintain ambient temperature between 0°C and 55°C; use cooling fans if necessary and a heater if temperatures fall below 0°C.
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Power: Connect a DC power supply within 18-30 VDC (nominal 24 VDC). Ensure power is OFF during installation.
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Communication: Use the RS-232 port for point-to-point communication (max distance 15 meters) with DF1 protocol.
Maintenance & Reliability
Although discontinued, the 2711P-K4M5D remains a dependable component when maintained properly. Regular inspection of the keypad and display ensures long-term performance. The battery-backed clock requires periodic battery replacement to maintain time accuracy. Keep the enclosure clean and ensure proper ventilation to avoid overheating. With routine care, this HMI can continue to serve your control system for years.
Selection Guide & Purchasing Advice
Before purchasing a replacement or spare, verify the exact part number 2711P-K4M5D and confirm compatibility with your existing system. Check the series (A through E) as application memory varies (5 MB for Series A, 10 MB for Series B). Since this model is obsolete, sourcing genuine parts from a trusted supplier is essential. PLC Source PRO offers quality automation spares to keep your operations running.