ABB DDC779BE02 3BHE006805R0002 is a high-performance frequency converter interface board under ABB’s Advant Master series, specifically engineered to establish seamless communication and control between upper-level DCS/PLC systems and ABB frequency converters. As a critical intermediate component in industrial drive control, ABB DDC779BE02 3BHE006805R0002 integrates signal conversion, data transmission, and fault diagnosis functions, enabling accurate translation of control commands and real-time feedback of converter operating status.
Designed for full compatibility with ABB’s ACS800/ACS880 series frequency converters and AC800M controllers, ABB DDC779BE02 3BHE006805R0002 ensures stable data interaction even in high-interference industrial environments. Its robust structural design and strict quality control meet the rigorous requirements of continuous industrial operation. Whether optimizing motor speed regulation or enhancing drive system reliability, ABB DDC779BE02 3BHE006805R0002 provides a reliable connectivity solution, becoming an indispensable part of efficient and intelligent industrial drive systems.
Technical Specifications
Parameter Name | Parameter Value |
Product Model | DDC779BE02 3BHE006805R0002 |
Manufacturer | ABB |
Product Type | Frequency Converter Interface Board |
Power Supply Voltage | 24 VDC ±10% |
Power Consumption | ≤ 20 W (Operating State) |
Input Signal Type | 4-20 mA Analog, Digital Switch Signal |
Output Signal Type | PWM Control Signal, Status Feedback Signal |
Communication Protocols | Profibus DP, Modbus RTU |
Compatible Converters | ABB ACS800, ACS880, ACS580 Series |
Operating Temperature Range | -5°C to 65°C |
Relative Humidity | 10% – 90% (Non-Condensing) |
Physical Dimensions (W×H×D) | 150mm × 110mm × 190mm |
Installation Type | Backplane Mount (ABB Advant Rack) |
Protection Rating | IP20 | | Weight | Approximately 0.5 kg |
Main Features and Advantages
Dual-protocol communication capability: ABB DDC779BE02 3BHE006805R0002 supports both Profibus DP and Modbus RTU protocols, enabling flexible connection with different types of upper-level control systems. This eliminates compatibility issues during system upgrades or retrofits, reducing the cost of replacing existing equipment and improving project implementation efficiency.
High-precision signal processing: Equipped with a 16-bit AD/DA converter, ABB DDC779BE02 3BHE006805R0002 ensures accurate conversion of analog signals (4-20 mA) with an error margin of less than ±0.1%. This precision guarantees that the frequency converter receives accurate speed control commands, realizing smooth adjustment of motor speed and reducing energy consumption in variable load applications.
Built-in fault diagnosis: ABB DDC779BE02 3BHE006805R0002 monitors communication status and signal integrity in real time, automatically triggering alarm signals when abnormalities such as signal loss or communication interruption occur. The built-in fault log function records error information, facilitating maintenance personnel to quickly locate and resolve issues, and minimizing downtime caused by interface failures.
Application Fields
In the industrial pumping system, ABB DDC779BE02 3BHE006805R0002 serves as the core interface between the PLC control system and ABB ACS800 frequency converters in water treatment plants and oil pipelines. It transmits the pressure and flow signals collected by sensors to the frequency converter, realizing variable-frequency speed regulation of the pump motor, which not only saves energy but also avoids mechanical wear caused by frequent start-stop.
In the textile and printing industry, ABB DDC779BE02 3BHE006805R0002 controls the ABB frequency converters of textile machines and printing presses. It ensures the synchronous operation of multiple motors by accurately transmitting speed control commands, improving the uniformity of fabric weaving and the clarity of printed patterns, and reducing product defect rates in high-speed production lines.
The product is also widely used in the metallurgical and mining industries, where it connects the DCS system with the frequency converters of conveyor belts and crushers. ABB DDC779BE02 3BHE006805R0002 adapts to the harsh on-site environment with large vibration and strong electromagnetic interference, ensuring stable transmission of control signals, and guaranteeing the continuous and efficient operation of material transportation and crushing processes.
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Installation and Maintenance
Installation preparation: Before installing ABB DDC779BE02 3BHE006805R0002, confirm that the Advant rack is powered off and grounded. Check that the model of the matched frequency converter is within the compatible range (ACS800/ACS880, etc.), and prepare shielded twisted-pair cables for communication wiring to reduce electromagnetic interference. Familiarize yourself with the board’s terminal definition to ensure correct connection of power, input, and output signals.
Maintenance recommendations: Conduct monthly visual inspections of ABB DDC779BE02 3BHE006805R0002 to check for loose terminals and dust accumulation. Use a multimeter quarterly to test the input and output signal values to ensure they are within the standard range. Clean the board surface with compressed air (low pressure) every six months. Regularly back up the fault log through the upper-level system, and update the board firmware to the latest version according to ABB’s technical notifications to optimize performance.
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