Delta DOP-B03S211 HMI

The Delta DOP-B03S211 is a compact human machine interface designed for basic industrial automation applications requiring reliable operator control and monitoring. It is widely used by control panel builders, automation engineers, and OEM machine manufacturers for small-scale PLC-based systems. This HMI provides an efficient interface for visualizing process data, setting parameters, and improving operator interaction in space-constrained environments.

Product Overview

The Delta DOP-B03S211 belongs to the DOP-B series, engineered for entry-level industrial HMI applications with cost-effective performance and dependable operation. It features a 3-inch STN LCD display with a simple interface optimized for text and basic graphics, making it ideal for applications where minimal visualization is required. The HMI communicates using RS-232/RS-485 serial interfaces and supports standard industrial protocols such as Modbus RTU for integration with Delta PLCs and compatible third-party controllers.

This model is designed for durability and ease of deployment, with a compact form factor suitable for tight control panel installations. Using Delta’s Screen Editor or DOPSoft software, users can configure screens, map PLC registers, and implement control logic. Its low power consumption and stable communication performance make it a practical choice for simple automation systems and machine control interfaces.

Key Specifications

Key Features

• Compact 3-inch display ideal for small control panels and embedded applications
• Supports Modbus RTU communication for seamless PLC integration
• RS-232 and RS-485 interfaces enable flexible industrial connectivity
• Low power consumption with stable operation for continuous industrial use

Applications and Use Cases

• Small automation systems requiring basic operator interface and control
• Packaging machines and compact machinery panels for parameter input and status display
• PLC-based control systems for monitoring simple processes and alarms
• Embedded industrial systems with limited panel space and visualization needs

How to Use

Develop the user interface using Delta’s DOPSoft or Screen Editor software by creating display screens, mapping PLC registers, and configuring communication settings such as Modbus RTU. Upload the project to the HMI using the appropriate communication interface.

Connect the HMI to the PLC via RS-232 or RS-485, ensuring proper communication parameters such as baud rate and device address. Test the system to confirm accurate data exchange and verify that the interface correctly reflects real-time system status.

Frequently Asked Questions

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