Allen Bradley 2711-M3A18L1 PanelView 300 Micro Operator Interface

Product Introduction

The Allen-Bradley 2711-M3A18L1 PanelView 300 Micro Operator Interface is a compact and reliable HMI designed for industrial applications requiring precise operator control in a small form factor. As part of the PanelView 300 series, this model offers a 3-inch monochrome display and RS-232 (DF1) communication, making it ideal for systems where space is limited but accurate process monitoring and control are required.

The interface supports DF1 communication through an 8-pin mini-DIN connector, allowing seamless integration with Allen-Bradley MicroLogix and SLC controllers. Powered by 24 VDC, it fits standard industrial power setups and can be used in both new installations and system retrofits. Despite its small size, it provides clear visualization of process data, system status, and alarm conditions, helping operators maintain efficient workflow.

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Product Specifications

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Applications

● Suitable for compact control systems with limited panel space

● Commonly used in MicroLogix and SLC PLC-based applications

● Ideal for OEM machinery requiring small HMI interfaces

● Applied in process monitoring, alarm display, and operator input

● Useful for retrofit projects where existing systems use DF1 communication

● Fits control panels powered by 24 VDC

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Advantages

● Compact size enables installation in limited-space control panels

● Monochrome display provides clear and readable visualization

● RS-232 (DF1) interface ensures compatibility with legacy PLC systems

● 8-pin mini-DIN connector allows simple and reliable connection

● 24 VDC input aligns with standard industrial power supplies

● Durable construction ensures long-term reliability in industrial environments

● Cost-effective solution for small-scale automation and OEM applications

FAQ

1. What communication protocol does this model support?
   It supports RS-232 using DF1 protocol via an 8-pin Mini-DIN connector, compatible with MicroLogix and SLC PLCs.
2. What is the display size and type?
   This model has a 3-inch monochrome LCD, suitable for displaying process data and system status clearly.
3. What is the required power supply?
   It operates on 24 VDC, standard for most industrial control panels.
4. Can it be used with legacy Allen-Bradley systems?
   Yes, it is designed for compatibility with DF1-based PLCs, including MicroLogix and SLC series.
5. Is this HMI suitable for compact control panels?
   Yes, its small form factor makes it ideal for panels with limited space.
6. Does it support alarm visualization?
   Yes, it can display process alarms and system notifications clearly on the monochrome screen.
7. Can it be used in OEM equipment?
   Yes, its compact design and standard interfaces make it suitable for OEM machinery.
8. Is the 8-pin Mini-DIN connection standard?
   Yes, it is a standard connector for DF1 communication, ensuring easy and reliable wiring.
9. Can it be used for system retrofits?
   Yes, it is commonly used to replace or upgrade older PanelView 300 units with similar interfaces.
10. Is it durable for industrial environments?
    Yes, it features an industrial-grade design, ensuring reliable operation under standard industrial conditions.

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