Your Professional HMI Manufacturer!
Shenzhen Chentuo Technology Co., Ltd. was established in 2016 and is a professional company specializing in the operation of electrical control systems and automation products. The company focuses on multiple product areas, including servo drives, frequency converters, controllers, motion equipment, communication equipment, PLCs, industrial communication modules, power supplies, instruments, sensors, touch screens, servo motors, switches, CPUs, wires and cables, low-voltage and switchgear.
Why Choose Us
Expert Team
We possess a team of highly skilled experts who bring extensive industry experience and deep domain knowledge to the table.
Customized Solutions
We thoroughly understand customer requirements and deliver bespoke solutions tailored to meet specific business needs.
Quality Assurance
In quality control, we adhere rigorously to international standards, ensuring our products exhibit superior quality, reliable performance, and long-lasting durability.
Technological Innovation
We continuously introduce and implement cutting-edge technologies, striving to provide advanced and innovative solutions to our clients.
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To realize your dedicated ideas and fulfill your individual requirements, we provide you the best-in-class system design capabilities for customized HMI systems. Without losing sight of the desired final solution our team of experts offers/accelerates your solutions with:
Technology consultation & system specification
Project management
Customized board design
Mechanical design and concepts (3D)
Cooling design and thermal simulation
Display / Touch / Cover-lens-stack concept
Software development (BSP, Bios, driver, application)
Verification & Regulatory compliance
Manufacturing
Product Lifecycle Management
HMI Specification
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Panel |
16:9, WQVGA Luminance: 200 cd/m2 typ. LCD color: 64K Backlight: LED |
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Operator Interface |
Touch: Resistive |
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System Resources |
CPU: ARM Cortex A8 300 MHz Operating system: Linux 3.12 RAM: 256MB DDR Flash: 2 GB Application memory: 60MB Real-time clock: Yes RTC backup: Supercapacitor Buzzer: Yes |
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Interface |
Ethernet: 1 x 10/100Mbit USB: 1 x host V2.0, max. 500 mA Serial: 1 x RS232/422/485 software configuration |
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Ratings |
Power supply voltage: 24Vdc (18 to 32 Vdc) Current consumption: 0.3A at 24Vdc (max.) Fuse: Automatic |
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Environmental Conditions |
Operating temperature: 0°C to 50°C (vertical installation) Storage temperature: -20°C to 70°C Operating and storage humidity: 5%~85%, relative humidity, non-condensing Protection class: IP66 (front), IP20 (rear) |
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Dimensions |
Faceplate LxH: 147 x 107mm Cutout AxB: 136 x 96mm Depth D+T: 29 + 5mm |
HMI Functions
Human-machine interfaces (HMIs) commonly serve as replacements for traditional push buttons. Push buttons provide a simple and reliable method for operators to initiate commands, control machinery, and interact with industrial processes.
HMIs play a crucial role in managing data by collecting, storing, and presenting real-time and historical data from industrial processes. By centralizing data management within HMI interfaces, organizations can more easily track performance metrics and diagnose issues that drive continuous improvement initiatives across their operations.
Overseer functions provide operators with monitoring and control capabilities to oversee the performance of multiple industrial processes or systems at the same time. This would include a dashboard displaying real-time status indicators, alarms, and key performance metrics for various production lines within a manufacturing facility.

The hardware for an HMI system are crucial for handling data, displaying information, and enabling operator interaction. Core components include the display screen, processor, and input devices. The display, often a touchscreen, must be durable enough to withstand harsh industrial conditions like extreme temperatures and humidity.
A powerful processor is necessary to manage real-time data processing and graphical displays, while sufficient memory ensures the system can store data and logs efficiently.
HMI software provides the graphical interface that allows operators to control and monitor industrial processes in real-time. Key software requirements include a user-friendly design, support for various communication protocols, and the ability to integrate with other control systems.
Most modern HMI systems come with drag-and-drop design tools that make it easy to create custom control panels and dashboards. These tools allow engineers to configure screens that display critical information like machine status, alarms, and performance metrics. Additionally, the software should be flexible enough to accommodate future changes, whether that's scaling up to support more machines or adding new functionalities.

Applications of HMI
Manufacturing
HMI is commonly used in manufacturing settings to control and monitor production processes, such as those on a factory floor. They can be used to present process data to operators, allow them to input commands and setpoints, and present alarms and other important information.
Power Generation
HMI is also used in power generation plants, such as those that use fossil fuels or renewable energy sources, to monitor and control processes such as boiler operation, turbine control, and electrical generation and distribution.
Water and Wastewater Treatment
HMI is used in water and wastewater treatment plants to control and monitor processes such as pumping, treatment, and distribution.
Oil and Gas
HMI are used in oil and gas production and refining to control and monitor processes such as drilling, pumping, and refining.
Chemical Processing
HMI is used in chemical processing plants to control and monitor processes such as mixing, reaction, and distillation.
Basic Types of HMIs
The Push Button Replacement Screen
Push button panels have been replaced by touchscreen interfaces which enable centralized operation control of the entire process/machine from a single panel. This eliminates the need for numerous physical pushbuttons and makes machine operation much simpler. Interactive graphical buttons may be seen on the screen, enabling users to carry out a range of functions - like start-stop, homing, navigating through different pages or screens and resetting.
The Overview Screen
Panel Viewers are usually employed to view SCADA and MES systems, giving you the capability to handle observe multiple machines/processes from one station. Not only does it make the operation of a single machine easier, but also substantially increases its efficiency.
The Data Dashboard Screen
HMIs serve as an interface to display information related to the performance of a machine. They provide feedback insight into how the machine is operating, enable recipe programming and alert user to any warning alarms that occur. Additionally, graphs and other visualizations can be created on these HMIs for a quick summary of the overall production report.
● Read the safety precautions carefully.
● Check the delivery for transportation damage. If damage is found, notify the supplier as soon as possible.
● Do not use the HMI panel in an environment with high explosive hazards.
● Use only parts and accessories manufactured according to specifications of the supplier.
● Read the installation and operating instructions carefully before installing, using or repairing the HMI panel.
● Never allow fluids, metal filings or wiring debris to enter any openings in the HMI panel. This may cause fire or electrical shock.
● Only qualified personnel may operate the HMI panel.
● Storing the HMI panel where the temperature is lower or higher than recommended in this manual can cause the LCD display liquid to congeal and become isotropic.
● The LCD display liquid contains a powerful irritant. In case of skin contact, wash immediately with plenty of water. In case of eye contact, hold the eye open, flush with plenty of water and get medical attention.
● The figures in this manual serve an illustrative purpose. Because of the many variables associated with any particular installation, the supplier cannot assume responsibility for actual use based on the figures.
● The supplier neither guarantees that the HMI panel is suitable for your particular application, nor assumes responsibility for your product design, installation or operation.
● It is recommended to turn on and shut down the HMI panel at least once before installing any components or cards, or before connecting the HMI panel to external devices, for example serial devices.

We provide brand new original genuine products.
Our technical team provides customers with one-stop technical services (selection, installation, testing, and use).
We can quickly ship to customers within 48 hours after placing an order. (UPS, DHL or FedEx).
We provide one-year after-sales service.
We offer Morgan Stanley International Bank account and PayPal payment services.
If there are any issues with the product within 30 days, you can apply for a refund.
● DHL/FedEx/UPS/TNT/EMS/Aramex provide fast door-to-door shipping.
● Bulk goods can be transported by air or sea.
● Customers can specify freight forwarders or other transportation methods.

FAQ
As one of the most professional hmi suppliers in China, we're featured by quality products and good price. Please feel free to buy original hmi in stock here from our factory. For more discount information, contact us now.

