HMI programming is one of the most important elements of industrial control systems and production lines, as it provides a clear operating interface that helps operators monitor machine status, read data, display alarms, and execute operating commands according to system permissions.

An HMI screen does not work independently; it is usually integrated with PLC units, VFD inverters, and Servo systems to simplify control and monitoring within industrial environments. Many factories rely on Delta PLC solutions, such as the Delta DVP32ES200T, as a control solution for connecting HMI screens with other system components.

HMI programming requires a deep understanding of the industrial application, operating sequence, and required control points to design an easy-to-use interface that supports faster fault detection and reduces operational errors.

Through its experience in industrial automation solutions, SUMER provides HMI programming and integration services for Delta HMI screens with suitable control systems based on each machine or production line requirements.

What Are HMI Screens?

HMI screens (Human Machine Interface) are display and operating systems used to connect operators with different industrial control systems, such as PLC units, machines, and production lines.

This interface helps simplify the monitoring and control of industrial processes by displaying data, commands, and alarms in a clear and user-friendly way.

HMI screens work as intelligent control panels that allow operators to monitor machine status and operational performance in real time. They can display operating readings, alarms, and fault conditions, as well as control machine start and stop operations without directly dealing with complex wiring or control systems.

Therefore, proper HMI programming makes machine operation clearer and easier while reducing errors caused by difficulty in monitoring data or managing complex control systems.

Advantages of HMI Programming in Industrial Systems

HMI programming improves the monitoring and control of industrial processes with higher accuracy and efficiency. It provides an interactive operating interface that enables operators to monitor machine performance and handle faults and settings more quickly.

HMI screens also simplify production line management, improve operational stability, and reduce human errors inside factories.

The main advantages of Human Machine Interface programming include:

• Displaying operational data and different readings in a clear and easy-to-understand visual format.

• Controlling all machine components or production line sections through a single centralized screen.

• Displaying real-time alarms and faults with faster identification of problems.

• Recording operating data and enabling analysis to improve performance and productivity.

• Easily adjusting operating parameters such as speed, temperature, and operation times.

• Reducing the need for direct interaction with complex industrial control systems.

• Improving fault response time and reducing machine downtime.

These advantages become even more important when integrating HMI screens with PLC, VFD, or Servo systems, where the screen becomes a central interface that allows operators to monitor and control the system more efficiently.

Available Delta HMI Screen Types at SUMER

SUMER provides a complete range of Delta HMI screens to meet different industrial applications, from compact interfaces for simple machines to large displays for complex production lines requiring advanced integration with PLC and VFD systems.

Available options include:

Compact Screens (Small Sizes)

Delta DOP-103BQ HMI (4.3-inch):
A compact touchscreen suitable for limited applications. It supports RS232, RS485, and USB communication ports.

Medium Screens (Most Common for Machines)

Delta DOP-107EV (7-inch):
Supports COM and Ethernet communication, making it an ideal choice for machines requiring network connectivity and flexible monitoring.

Large Screens (Complex Production Lines)

Delta DOP-110WS (10.1-inch) & Delta DOP-115WX (15-inch):
Provide a wide display area for operational data and support multiple communication ports, Ethernet connectivity, and SD memory card storage for easy data saving and updates.

Smart Screens (HMI + Controller Unit)

Delta TP70P-32TP1R:
Combines an HMI interface with built-in digital inputs and outputs (16 DI / 16 DO) with relay output for direct control applications.

Classic Text Panels

Delta TP04G-AS2:
Designed for very simple applications that require basic numerical and text data display without advanced graphical interfaces.

Our technical team helps you select the most suitable model for your factory based on machine size, required operating pages, PLC communication protocols (Ethernet or COM Ports), and the type of data that needs to be monitored.

HMI Screen Applications in Factories and Industrial Control Systems

HMI screens are used in many industrial applications that require continuous data monitoring and easy machine and production line control.

Proper HMI programming helps display readings, alarms, operating commands, and fault conditions clearly, making HMI an essential component in industrial automation systems connected with PLC, VFD, and Servo systems.

The main applications of HMI screens include:

Food Processing Factories

Used for monitoring oven and tank temperatures, controlling conveyor speeds, and managing production line operations.

Packaging Machines

Help adjust package length, filling quantities, and sealing speed to ensure accurate operation and high production quality.

Production Lines and Conveyor Systems

Used to monitor motor status, operating speeds, and production quantities, while connecting operating commands with PLC systems or VFD inverters.

Pump and Fan Systems

Help monitor operating conditions, adjust speed when connected with VFDs, track operational values, and display alarms when problems occur.

Servo and Precision Motion Applications

Used in machines requiring accurate motion control, such as cutting, printing, packaging, and multi-axis systems. The screen displays operational data and allows authorized users to adjust specific parameters.

Why Is Working With a Specialized HMI Programming Company Important for Factories?

HMI programming is not only about creating an attractive interface. It requires understanding the machine operating sequence, PLC signals, operating commands, alarms, faults, and user permissions within the factory.

Working with a specialized company helps create a practical and user-friendly operating interface that supports operators and maintenance teams in monitoring the system quickly and efficiently.

Technical expertise becomes especially important when integrating HMI screens with control components such as PLC, VFD, and Servo systems. Incorrect connections or poorly designed screens may lead to operational difficulties, delayed fault detection, and confusion among operators.

Therefore, factories need HMI programming that considers production line requirements, operating methods, fault messages, easy parameter adjustment, and future expansion possibilities when adding equipment or modifying processes.

SUMER Services for HMI Programming in Factories and Production Lines

SUMER provides HMI screen supply and programming services for factories and production lines, focusing on designing clear and user-friendly operating interfaces that help operators monitor machine status, read data, manage alarms, and execute commands according to system permissions.

SUMER’s HMI programming services include:

• Selecting the appropriate Delta HMI screen based on size, capabilities, and communication method.

• Designing and programming organized and easy-to-use operating interfaces.

• Connecting HMI screens with PLC systems according to application requirements.

• Creating operation pages, settings pages, alarm screens, and fault monitoring pages.

• Displaying operational values such as speed, temperature, production quantity, and motor status.

• Modifying or updating existing HMI programs when operating requirements change.

• Supporting integration with Delta VFD inverters such as Delta-VFD007EL43W-1 or Servo systems when required.

• Providing technical support to improve operation efficiency and reduce monitoring errors.

Conclusion

HMI programming is an essential step in developing industrial control systems because it makes machine operation clearer and easier. It helps operation and maintenance teams monitor performance and detect faults faster.

Contact SUMER to receive technical support in selecting and programming the right HMI screen for your industrial application and integrating it with your production line control system.

Frequently Asked Questions

What Is the Difference Between HMI and PLC?

An HMI screen is an interface used to display data, alarms, and send operating commands, while a PLC is the control unit responsible for executing commands and managing system signals.

Can HMI Programming Be Modified or Updated?

Yes, HMI programming can be modified when operating requirements change, such as adding new pages, updating alarms, or adjusting settings according to the control system.