Mochuan Drives - Professional design, manufacturer HMI Touch Screen Panel & PLC Controller, provide industry solutions and system integration since 2009.

  • Professional design, manufacturer HMI Touch Screen Panel & PLC Controller, provide industry solutions and system integration since 2009.


Design Principles for Effective HMI Display Panel Layouts and Organization


Design Principles for Effective HMI Display Panel Layouts and Organization


In today's technologically advanced world, Human-Machine Interface (HMI) systems have become an integral part of various industries. HMI display panels provide a visual interface for users to interact with complex machines and systems. However, the effectiveness of an HMI system highly depends on its design layout and organization. This article explores five key design principles that can enhance the usability and efficiency of HMI display panels.

1. Understanding User Context

Before designing an HMI display panel, it is crucial to understand the user context and their requirements. Who are the users? What tasks do they perform? What information is essential for them? By answering these questions, designers can create a user-centered design that optimizes the arrangement of information on the display panel.

A user-centered design considers the workflow and mental model of the users. It ensures that the most critical information is displayed prominently and consistently to minimize cognitive load. Additionally, designers should incorporate user feedback during the design process to ensure the HMI display panel meets their expectations.

2. Prioritizing Information

Display panels often contain vast amounts of data, which can overwhelm users if not presented effectively. Prioritizing information involves determining what data is essential for users and displaying it in a clear and concise manner.

One effective way to prioritize information is by using a hierarchical approach. The most crucial data should be displayed prominently, followed by secondary and tertiary information. This helps users quickly identify the most critical information without getting lost in a sea of data.

Moreover, designers should consider the visual hierarchy of information. Using different font sizes, colors, or graphical elements can guide users' attention and distinguish between various types of information. For instance, critical alarms could be displayed in red, ensuring they catch the user's attention immediately.

3. Consistency in Layout

Consistency in layout is vital for creating a familiar and intuitive HMI display panel. Users should not have to relearn the interface every time they interact with the system. Consistency also reduces the chances of user errors and increases productivity.

Designers should maintain a consistent layout across different screens and panels within the HMI system. Elements such as navigation menus, buttons, and indicators should be placed in predictable positions. This allows users to develop mental models and perform tasks efficiently.

Additionally, consistent labeling of buttons and menus helps users understand their functionality with ease. Labels should be concise, descriptive, and use familiar terminology to avoid confusion.

4. Effective Use of Colors and Contrast

Colors and contrast play a significant role in guiding users' attention and conveying information. Designers must use them judiciously to ensure optimal readability and usability.

High contrast between text and background is crucial for legibility. Light-colored text should be placed against a dark background, and vice versa. The color palette used in the HMI display panel should consider color blindness, ensuring information is still discernible to users with various visual abilities.

Colors can also be used to highlight critical information or indicate system states. For example, a green indicator confirms a successful operation, while a red indicator denotes an error. These color conventions make it easier for users to interpret information quickly and make informed decisions.

5. Fostering Intuitive Interaction

An effective HMI display panel should support intuitive interaction, minimizing the learning curve for users. It should be designed to mirror real-world interactions and enable users to predict system responses accurately.

Designers should consider the use of standard metaphors and symbols familiar to users within the specific industry. For example, a wrench icon could represent maintenance-related options. These metaphors allow users to quickly associate visual cues with their intended actions.

Furthermore, providing immediate feedback to user actions is essential. When a user interacts with the display panel, the system should respond promptly, displaying changes or acknowledging user inputs. This feedback reassures users that their actions are registered, reducing uncertainty and potential errors.


Designing effective HMI display panel layouts requires a deep understanding of user context, data prioritization, consistency, color usage, and intuitive interaction. By following these principles, designers can create user-centered designs that enhance usability, reduce errors, and improve overall efficiency. A well-designed HMI display panel not only improves user experience but also contributes to the safe and efficient operation of complex systems in various industries.


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