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- Allen Bradley
- 2711-M3A19L1
- PanelView 300 Micro User Interface
- USA
- 133 x 48 x 111 mm
- 0.284 kg
- Xiamen, China
- New & In Stock
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- 1 Year
- 1-3 Working Days
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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 2711-M3A19L1 is a compact PanelView 300 Micro Operator Interface (HMI) designed for small-scale industrial automation and machinery. It provides operators with a keypad-based interface for basic monitoring, displaying process data, and sending control commands to PLC systems.
This unit is part of the PanelView 300 Micro series, ideal for cost-sensitive or space-limited applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Model | 2711-M3A19L1 |
| Product Type | PanelView 300 Micro Operator Interface |
| Display Size | 3-inch monochrome LCD |
| Resolution | 128 × 64 pixels |
| Input Type | Keypad (function keys + navigation keys) |
| Communication | RS-232 (DF1 protocol) |
| Power Supply | 18–32 V DC (24 V DC nominal) |
| Application Memory | ~170 KB runtime / ~240 KB nonvolatile |
| Backlight | LED (non-replaceable) |
| Mounting Type | Panel mount |
| Dimensions | 133 × 48 × 111 mm |
| Weight | 0.284 kg |
Function and Working Principle
The 2711-M3A19L1 operates as a basic human-machine interface (HMI). Its functions include:
- Displaying real-time machine data and process values
- Sending operator commands to PLCs via RS-232 DF1 protocol
- Showing alarms, warnings, and simple system messages
- Supporting small-scale or legacy machine control operations
It acts as a low-complexity operator terminal, bridging the operator and PLC in small automation systems.
Key Features
- Compact 3-inch monochrome display
- Rugged keypad interface for industrial use
- RS-232 DF1 communication support
- LED backlight for readability
- Low power consumption
- Suitable for OEM machines and small machinery
- Durable for industrial environments
Industrial Applications
- Small manufacturing and assembly machines
- Conveyor systems
- Packaging equipment
- Legacy PLC-controlled machinery
- Process monitoring for small-scale systems
- OEM machine automation
Role in Industrial Systems
The 2711-M3A19L1 serves as the operator interface, responsible for:
- Providing basic machine data visualization
- Allowing manual operator inputs
- Displaying alarms and system status
- Communicating with PLCs for control functions
- Supporting simple automation and monitoring tasks
It is mainly used in space-constrained and cost-sensitive applications.
Installation Notes
- Panel-mounted on machine or control cabinet
- Requires stable 24 V DC power supply
- Proper RS-232 DF1 serial communication wiring
- Ensure correct grounding for stable operation
- Installation should be performed by qualified personnel
- Communication settings must match connected PLC
Compatible Equipment
- Allen-Bradley MicroLogix PLCs
- SLC 500 systems (via DF1)
- RS-232 DF1 serial devices
- Small industrial controllers
- OEM machinery automation
Advantages
- Extremely compact and lightweight design
- Reliable and simple operator interface
- Low-cost solution for basic automation
- Easy integration with legacy PLCs
- Durable for industrial environments
Limitations
- Monochrome display with low resolution
- Limited functionality compared to modern HMIs
- Uses legacy RS-232 DF1 protocol
- Not compatible with Ethernet-based systems
- Small memory capacity
- Obsolete for new installations
Conclusion
The Allen-Bradley 2711-M3A19L1 PanelView 300 Micro User Interface is a compact and reliable HMI for small or legacy industrial machines.
It provides basic operator interaction, process visualization, and simple control communication, making it ideal for OEM machines and smaller automation systems.