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3.0 Inch RS485 HMI Display 360x640 TFT Screen - China Suppliers and Factory Quality Product
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3.0 Inch RS485 HMI Display 360x640 TFT Screen - China Suppliers and Factory Quality Product

Introducing the HTM-H030A9-RS485-A01, a premium 3.0-inch TFT panel designed for a variety of applications, including household appliances and handheld instruments. This high-quality display features a resolution of 360x640 pixels, providing sharp and clear images, making it an ideal choice for manufacturers seeking reliable components, Manufactured in China, our factory guarantees the highest standards in quality with a viewing angle optimized by IPS technology. The dimensions of the display are 43.69mm x 100.0mm x 10.0mm, with an AA size of 36.72mm x 65.28mm, ensuring a compact and efficient design for your products, The HTM-H030A9-RS485-A01 offers a brightness of 350cd/m², ensuring visibility even in challenging lighting conditions. With an RS485 interface, this panel is perfect for integration into various systems. It is built to withstand a wide operating temperature range of -20 to 70 degrees Celsius, making it suitable for diverse environments, Our display also features special anti-static ESD protection up to 8KV, further enhancing its durability. With a supply voltage of just 3.3V, it is energy-efficient and convenient for various applications. As one of the foremost suppliers in the industry, we offer this cutting-edge display panel to meet the needs of businesses looking for high-quality solutions directly from a trusted factory in China
    Contact us 3.0 inch RS485 HMI Display User manual Download
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    Product Details

    3.0 inch RS485 HMI Display Description

    The 3.0 inch RS485 HMI Display (Model: HTM-H030A9-RS485-A01) is a high-performance intelligent serial port screen engineered for robust industrial and commercial environments. Featuring a unique 360x640 resolution and a sleek 2:5 aspect ratio, this 3.0 inch RS485 HMI Display utilizes a Normally Black IPS panel to deliver consistent, vivid colors (NTSC 60%) from any viewing angle.

    The core of this module is its Dual-Protocol support, seamlessly integrating both RS485 and UART-TTL interfaces. This allows for long-distance, anti-interference data transmission—perfect for complex factory floors—while maintaining a simple UART debugging path for developers. With integrated 8KV ESD protection and a brightness of 350cd/m², it ensures operational stability and visual clarity in mission-critical applications.

    Specifications of 3.0 inch RS485 HMI Display

    3.0 inch RS485 HMI Display 360x640 EzUI TFT Screen specification

    Parameter of 3.0 inch RS485 HMI Display

    ITEM PARAMETER DESCRIPTION UNIT
    TFT series HTM-H030A9-RS485-A01 -
    Diagonal size 3.0” Inch
    Resolution 360x640 Dot
    Dimensions 43.69x100.0x10.0 mm
    Active area (AA) 36.72x65.28 mm
    LCD type TFT LCD Display -
    Display viewing angle Full View (IPS) -
    Aspect ratio 2:5 -
    Backlight type LED white -
    Brightness 350 cd/m2
    Operating temperature -20~70℃ ℃
    Storage temperature -30~80℃ ℃

    Core Selling Points & Competitive Advantages

    ✓
    Dual-Interface Versatility: Built-in RS485 for long-distance industrial networking and UART-TTL for localized rapid prototyping.
    ✓
    Bar-Type High-Definition Aesthetics: The 360x640 pixel density provides sharp, vertical-oriented visuals, ideal for modern "Slim-Line" device enclosures.
    ✓
    Multi-Method Resource Updating: Supports USB Type-C, TF Card, and dedicated download PCBs for instant firmware and UI updates.
    ✓
    Extreme Environmental Resilience: Rated for -20°C to 70°C operating, with storage up to 80°C for industrial cabinets.
    ✓
    EzUI "Zero-Code" Engine: Offloads graphical processing internally, allowing host controllers to update screens via simple serial commands.

    Strategic Application Analysis

    The narrow-strip form factor makes it a specialized solution for:

    1
    Smart Household Appliances: High-end water purifiers, smart air conditioners, and kitchen appliances.
    2
    Industrial Control Panels: Status monitoring for server racks, localized PLC indicators, and specialized machinery.
    3
    Elevator & Building Automation: Floor indicators, security access panels, and smart lighting controllers.
    4
    Handheld Instruments: Portable diagnostic tools requiring a slim, easy-to-grip high-resolution display.

    Who Should Invest in This Display?

    • Industrial System Integrators: For long-distance communication in noisy electrical environments via RS485.
    • Smart Home Product Developers: For slim, vertical-mount appliances requiring a "Premium Look".
    • Medical Equipment Manufacturers: For high-contrast, easy-to-clean diagnostic handhelds.
    • Arduino & ESP32 Enthusiasts: For high-resolution HMI without exhausting MCU processing power.

    Professional Buying Guide & Technical Considerations

    1. Communication Choice: For localized mounting (<1m), use UART-TTL. For cable runs exceeding 2 meters, utilize RS485 to ensure signal integrity.

    2. Storage Requirements: Choose between 128M-Bit or 1G-Bit. For heavy JPG animations or multiple fonts, the 1G-Bit version is recommended.

    3. Power Stability: Ensure a stable 3.3V supply. In industrial settings, ensure RS485 ground is common with the system.

    4. Screen Longevity: Utilize the built-in "Sleep Mode" or dynamic screensaver commands via EzUI to maintain IPS panel vibrancy.

    Call to Action

    The HOTHMI 3.0 inch RS485 HMI Display is the definitive "Smart Screen" for engineers prioritizing communication stability and modern design. Simplify your HMI development and secure your industrial data flow today.

    HOTHMI offers factory-direct pricing and full technical support for the HTM-H030A9-RS485-A01.

    Frequently Asked Questions (FAQ)

    Q1: What is the primary advantage of the RS485 interface on this 3.0" display?
    The RS485 interface allows for long-distance data transmission and high anti-interference capability, making it ideal for noisy industrial environments where standard UART might fail.
    Q2: Can I update the UI content without specialized hardware?
    Yes, the module supports multiple update methods including USB Type-C, TF Card, and dedicated download PCBs, allowing for easy firmware and theme updates.
    Q3: Does the display support wide viewing angles?
    Absolutely. It uses a Normally Black IPS panel which provides a "Full View" angle, ensuring consistent colors and clarity from any direction.
    Q4: What is the "EzUI" engine mentioned in the specifications?
    EzUI is a "Zero-Code" engine that handles all graphical rendering internally. Your main controller only needs to send simple serial commands to update text, images, or charts.
    Q5: What are the operating temperature limits for this HMI?
    The display is designed for industrial use with an operating temperature range of -20°C to +70°C and a storage range of -30°C to +80°C.
    Q6: How much storage space is available for UI assets?
    The module comes with options for either 128M-Bit or 1G-Bit internal storage, depending on the complexity of your JPG animations and font libraries.