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- Allen Bradley
- 2711P-K4M20D
- PanelView Plus 400 Operator Interface
- USA
- 185 x 90 x 152 mm
- 0.562 kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
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- 24-Hour Service
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Allen Bradley 2711P-K4M20D PanelView Plus 400 is a compact industrial operator interface designed for real-time human-machine interaction in automation systems. It provides operators with a reliable keypad-based interface combined with a graphical display, enabling efficient monitoring and control of industrial processes.
This model is widely used in compact control systems where space efficiency, stable communication, and dependable operation are required.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 2711P-K4M20D |
| Product Type | PanelView Plus 400 Operator Interface |
| Dimensions | 185 × 90 × 152 mm |
| Weight | 0.562 kg |
| Display Type | Grayscale TFT (FSTN) |
| Display Size | 3.8 inch |
| Resolution | 320 × 240 pixels |
| Input Method | Keypad (function, numeric, navigation keys) |
| Communication Ports | Ethernet, RS-232, USB |
| Power Supply | 18–30 V DC (24 V DC nominal) |
| Power Consumption | ~25 W |
| Memory | 64 MB (variant dependent) |
| Mounting Type | Panel / flush mount |
| Operating Temperature | 0°C to 50°C |
| Protection Rating | NEMA 4X / IP65 front |
| Application | Industrial HMI / operator control systems |
Function and Working Principle
The 2711P-K4M20D functions as a human-machine interface (HMI) that translates PLC data into a readable operator format and converts operator inputs into control commands.
Core Functions:
- Real-time process visualization
- Machine status monitoring
- Alarm and event display
- Operator command input via keypad
- Data exchange with PLC systems
Working Principle:
The unit communicates with Allen Bradley PLC controllers via Ethernet or serial communication. Process variables are displayed on the screen, while operator inputs through the keypad are transmitted back to the controller for execution.
Role in Industrial Control Systems
The PanelView Plus 400 series plays a key role in industrial automation by acting as the interaction layer between operators and control systems.
It enables:
- Local machine operation control
- Real-time process supervision
- Fault and alarm handling
- System status visualization
This improves operational safety and reduces dependency on direct PLC programming access.
Industrial Applications
The 2711P-K4M20D is commonly used in:
- Manufacturing automation systems
- Packaging machinery
- Food and beverage production lines
- Water treatment systems
- Small-scale process control units
- Industrial machine panels with limited installation space
Its compact design makes it suitable for applications where full-size HMIs are not required.
Installation and System Integration
Proper installation ensures stable and long-term operation:
- Installed in control cabinet panels
- Connected to PLC systems via Ethernet or RS-232
- Powered by 24V DC industrial supply
- Configured using FactoryTalk View ME software
- Requires correct grounding and industrial wiring standards
Correct integration ensures reliable communication and responsive operator control.
Compatible System Components
The 2711P-K4M20D is typically used with:
- Allen Bradley CompactLogix PLC systems
- MicroLogix controller series
- FactoryTalk View ME software environment
- Industrial Ethernet switches
- I/O expansion modules
- PanelView Plus power supply units
These components form a complete Allen Bradley automation architecture.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| 2711P-K4C5D8 | PanelView Plus 6 400 | Full touchscreen control | Compact automation systems |
| 2711P-K4M20A | PanelView Plus 400 variant | Similar architecture | Legacy system replacement |
| 2711P-K6C5D8 | PanelView Plus 600 | Larger display size | Enhanced visualization needs |
| 2711P-T4C5D1 | Touch interface HMI | Lower cost option | Basic machine control |
| PanelView Plus 7 Compact | Modern HMI platform | Improved performance | System upgrades |
Key Advantages
- Compact and lightweight industrial design
- Stable keypad-based operation for harsh environments
- Reliable communication with Allen Bradley PLC systems
- Low power consumption and efficient operation
- Rugged front panel rated for industrial environments
- Suitable for legacy automation system maintenance
Technical FAQs
Q1: What is the main function of the 2711P-K4M20D?
It is used to provide operator control and visualization for industrial automation systems.
Q2: Does it use a touchscreen?
No, it uses a keypad interface combined with a grayscale display.
Q3: Which PLC systems is it compatible with?
It works with Allen Bradley PLC-5, MicroLogix, and CompactLogix systems.
Q4: Is it still widely used?
Yes, it is commonly found in legacy industrial control systems.
Q5: What software is used for configuration?
FactoryTalk View Machine Edition (ME) is typically used.
Conclusion
The Allen Bradley 2711P-K4M20D PanelView Plus 400 is a compact and reliable operator interface designed for industrial control environments. With its keypad-based operation, stable communication interfaces, and durable design, it remains a widely used HMI solution in legacy and compact automation systems. Its simplicity, durability, and compatibility with Allen Bradley PLC systems make it a dependable choice for industrial operators and maintenance engineers.