Delta HMI (Human Machine Interface) refers to the operator interface products developed by Delta Electronics, a major global manufacturer of industrial automation products. Delta HMIs are used to monitor and control machinery and processes in industrial environments, providing a visual interface between the user and machines (such as PLCs, drives, sensors, etc.).
Here’s a detailed breakdown of Delta HMI:
🔹 1. Basic Overview
Delta HMIs are touchscreen panels that:
Display process data from controllers like PLCs.
Allow operators to input commands.
Monitor alarms and status.
Log data and trends.
🔹 2. Popular Delta HMI Series
Delta offers several HMI product lines, primarily:
DOP Series (Delta Operator Panel)
DOP-B Series: Basic models, cost-effective, suitable for standard applications.
DOP-W Series: Wide-screen models with better resolution and multitouch.
DOP-H Series: High-end models with better performance and enhanced features.
🔹 3. Key Features
Touchscreen Operation (4.3” to 15” sizes, depending on the model).
High-resolution displays (TFT LCD).
Multiple communication ports: RS232/RS485/RS422, Ethernet, USB.
Multi-language support.
Data Logging and Recipe Handling.
Alarming System: Display and log alerts.
Built-in real-time clock (RTC).
Built-in memory and SD card/USB for storage.
Connectivity to over 30 brands of PLCs and automation devices.
🔹 4. Supported Protocols
Delta HMIs support a wide range of industrial communication protocols:
Modbus RTU/TCP
Delta PLC protocols
Siemens MPI/PPI
Allen Bradley DF1
Mitsubishi FX/Serial
and many more…
🔹 5. Software: DOPSoft
DOPSoft is Delta’s free HMI programming software:
Graphical interface for creating screens.
Drag and drop objects like buttons, meters, trends.
Address mapping to PLC data.
Simulation mode for testing.
Password and security features.
🔹 6. Applications
Delta HMIs are used in:
Packaging machines
Conveyor systems
Water treatment plants
HVAC systems
Factory automation lines
Elevators and escalator control
Energy monitoring and management
🔹 7. Advantages
Cost-effective
Easy to use and integrate
Broad device compatibility
Good documentation and support
Reliable performance in harsh industrial environments
🔹 8. Advanced Features (in high-end models)
Remote monitoring via VNC or Delta’s cloud platform.
Multimedia support: Video and audio playback.
Barcode/QR code scanning support
OPC UA / MQTT in newer models for IIoT integration.
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