ABB EHDB280-21-11 Controller Module

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Product Overview

The ABB EHDB280-21-11 Controller Module is a high-performance industrial control unit designed for precise process control, data acquisition, and real-time signal processing. It features a robust 32-bit processor, reliable communication interfaces, and strong environmental adaptability. The module is a key component of ABB’s automation systems and is widely used in drives, process automation, and robotics applications, ensuring efficient and stable system performance even under demanding industrial conditions.

Technical Specifications (Typical)

• Model: EHDB280-21-11

• Product Type: Controller Module

• Processor: 32-bit industrial-grade CPU

• Clock Speed: 100 MHz (typical)

• Memory: 4 MB Flash ROM, 8 MB RAM

• I/O Interfaces:

  • Multi-channel digital inputs/outputs

  • Analog inputs (0–10 V or 4–20 mA)

  • Serial communication (RS-232 / RS-485)

  • System bus interface

• Communication Protocols: Modbus, CANopen, ABB internal bus

• Power Supply: 24 V DC (±10%)

• Power Consumption: approx. 8 W

• Isolation: Optical isolation between I/O channels and system bus

• Operating Temperature: 0 to +55°C

• Storage Temperature: -25 to +70°C

• Humidity: 10–90%, non-condensing

• Protection Class: IP20 (for cabinet mounting)

• Mounting Method: DIN rail or panel

• Dimensions (L × W × H): approx. 160 × 100 × 40 mm

• Weight: approx. 0.6 kg

Features and Advantages

1. High processing power — Fast execution of complex logic and control algorithms.

2. Modular and expandable — Supports flexible integration into ABB control architectures.

3. Multi-protocol communication — Compatible with Modbus, CANopen, and ABB networks.

4. Industrial-grade reliability — Designed for harsh environments with excellent EMI resistance.

5. Real-time response — Suitable for high-speed and precision control systems.

6. Ease of maintenance — Built-in diagnostics and firmware upgradability.

Application Areas

• Industrial process automation systems

• Motor and drive control

• Robotic motion control

• Production line coordination systems

• Power, metallurgy, chemical, and paper industries

• Precision instrumentation and machinery

Precautions

1. Disconnect power before installation or maintenance.

2. Only qualified technicians should operate or configure the module.

3. Avoid installation in humid, vibrating, or high-EMI environments.

4. Use only ABB-approved accessories and cables.

5. Periodically inspect wiring and communication ports for stable operation.

The structure and details of the product：

 

 

 

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