+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The ABB NDBU-95C 64008366D is a DDCS (Direct Drive Communication System) branching unit designed to enable robust, high-speed communication in industrial drive systems. As a critical component of ABB’s modular automation portfolio, this unit is engineered to support star topology configurations for ABB’s ACS800 drives and DCS800 series platforms, ensuring reliable data transmission across distributed control networks.
The ABB NDBU-95C 64008366D is a DDCS (Direct Drive Communication System) branching unit designed to enable robust, high-speed communication in industrial drive systems. As a critical component of ABB’s modular automation portfolio, this unit is engineered to support star topology configurations for ABB’s ACS800 drives and DCS800 series platforms, ensuring reliable data transmission across distributed control networks.
Featuring 9 optical output channels rated for 10 Mbps data transfer, the NDBU-95C acts as a central hub for distributing control signals to multiple drives simultaneously. Its galvanic isolation and EMI/RFI shielding protect against electrical noise, while hot-swappable functionality allows maintenance without system downtime . The unit supports 24V DC power supply and operates within a wide temperature range (-20°C to +70°C), making it suitable for harsh industrial environments . With IP65 protection, the NDBU-95C resists dust and water ingress, ensuring long-term durability in demanding applications.
In automation systems, the NDBU-95C plays a pivotal role in enabling real-time monitoring and control of drives in industries such as manufacturing, power generation, and water treatment. Its optical fiber connectivity (SC/LC duplex connectors) minimizes signal loss (<0.5 dB per channel) and supports extended communication distances, while front-panel LEDs provide instant status updates for quick diagnostics . By integrating seamlessly with ABB’s drive systems, this branching unit enhances system scalability and reduces complexity, delivering cost-effective solutions for mission-critical operations.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | NDBU-95C 64008366D |
| Manufacturer | ABB |
| Product Type | DDCS Branching Unit (Drive Spare Part) |
| Input Voltage | 24V DC ±10% |
| Power Consumption | 300 mA |
| Weight | 0.7 kg |
| Compliance | CE, UL (by ABB’s drive system certification) |
| Operating Temperature | -20°C to +70°C |
| Physical Dimensions | 264 mm (width) x 94 mm (depth) x 41 mm (height) |
| Mounting Type | DIN rail (TS35/7.5 or TS35/15) |
| Channels | 1 DDCS input, 9 optical outputs (SC/LC duplex connectors) |
| Data Rate | 1–10 Mbps (programmable) |
| Signal Loss | <0.5 dB per channel |
| Protection Class | IP65 |
| Isolation | Galvanic isolation (input-to-output) |
| LED Indicators | Power status, channel activity, fault alerts |
Key Features and Advantages
High-Speed Optical Communication:
The NDBU-95C leverages optical fiber technology to transmit data at up to 10 Mbps, ensuring low latency and immunity to electromagnetic interference. Its 9-channel star topology allows simultaneous communication with multiple drives, preventing a single drive failure from disrupting the entire network .
The NDBU-95C leverages optical fiber technology to transmit data at up to 10 Mbps, ensuring low latency and immunity to electromagnetic interference. Its 9-channel star topology allows simultaneous communication with multiple drives, preventing a single drive failure from disrupting the entire network .
Rugged Industrial Design:
With IP65 protection and a -20°C to +70°C operating range, the unit withstands extreme temperatures, dust, and moisture. Galvanic isolation and overvoltage protection safeguard against voltage spikes, while front-panel LEDs provide visual feedback for quick fault detection .
With IP65 protection and a -20°C to +70°C operating range, the unit withstands extreme temperatures, dust, and moisture. Galvanic isolation and overvoltage protection safeguard against voltage spikes, while front-panel LEDs provide visual feedback for quick fault detection .
Modular Compatibility:
Designed as a drop-in replacement for legacy ABB systems, the NDBU-95C integrates seamlessly with ACS800 drives and DCS800 series platforms. This compatibility simplifies system upgrades and reduces inventory complexity, while hot-swappable functionality enables maintenance without system downtime .
Designed as a drop-in replacement for legacy ABB systems, the NDBU-95C integrates seamlessly with ACS800 drives and DCS800 series platforms. This compatibility simplifies system upgrades and reduces inventory complexity, while hot-swappable functionality enables maintenance without system downtime .
Scalable Configuration:
Multiple NDBU-95C units can be daisy-chained or deployed in parallel to expand communication networks, supporting large-scale drive systems in industries like mining, oil and gas, and water treatment. Its programmable data rates (1–10 Mbps) allow customization for specific application requirements .
Multiple NDBU-95C units can be daisy-chained or deployed in parallel to expand communication networks, supporting large-scale drive systems in industries like mining, oil and gas, and water treatment. Its programmable data rates (1–10 Mbps) allow customization for specific application requirements .
Application Areas
The NDBU-95C 64008366D excels in industries requiring reliable drive system communication:
- Manufacturing: Conveyor belts, robotic systems, and assembly lines, where real-time drive control ensures production efficiency.
- Power Generation: Monitoring and controlling pumps, compressors, and turbines in thermal and renewable energy plants.
- Water Treatment: Filtration systems and wastewater processing, where precise drive coordination ensures regulatory compliance.
- Oil and Gas: Offshore platforms and pipelines, leveraging its IP65 protection and wide temperature range for hazardous environments.
- Mining and Metals: Ore processing equipment and conveyor systems, ensuring safe and efficient material handling.
Related Products
- ABB ACS800 Drive Series: High-performance drives compatible with the NDBU-95C for motor control and energy optimization.
- ABB DCS800 Series: Distributed control system for large-scale drive applications requiring centralized monitoring.
- ABB NDCU-51: DDCS communication unit for advanced drive system configuration.
- ABB S800 I/O Modules: Distributed I/O units for expanding system connectivity.
- ABB CI854K01: PROFIBUS DP module for integrating remote I/O with the NDBU-95C.
- ABB 3BSE017427R1: Replacement kit for drive system upgrades, including the NDBU-95C.
Installation and Maintenance
Installation Preparation:
- Mounting: Securely install the NDBU-95C on a DIN rail using 2.5–4 mm² cables. Ensure proper alignment with adjacent modules.
- Cabling: Connect optical fibers (SC/LC duplex) to the unit’s 9 output channels and terminate them at drives or other branching units. Verify signal loss (<0.5 dB per channel) using a power meter .
- Power Connection: Connect the 24V DC power supply and confirm the green LED indicates normal operation.
Maintenance Recommendations:
- Routine Checks: Inspect optical connectors quarterly for dust or damage. Clean using lint-free wipes and optical-grade alcohol.
- LED Monitoring: Use front-panel indicators to identify faults (e.g., channel failure, power loss). Replace faulty units immediately.
- Firmware Updates: Periodically check ABB’s online support portal for firmware updates, though the NDBU-95C typically requires minimal software maintenance.
- Redundancy Testing: For critical applications, test redundant configurations annually to ensure failover capability.
Product Assurance
ABB guarantees the NDBU-95C 64008366D with a 1-year warranty, covering defects in materials and workmanship. The unit undergoes rigorous testing to meet international safety standards, ensuring long-term reliability. Customers benefit from ABB’s global technical support network, offering 24/7 assistance for troubleshooting and system optimization. With spot inventory and 3–5-day delivery commitments, ABB ensures rapid deployment to minimize downtime .
For localized support, ABB’s service centers in Kaohsiung, Taiwan provide on-site maintenance and repairs, leveraging ABB’s global expertise to address regional customer needs. This combination of high-speed communication, rugged durability, and responsive service makes the NDBU-95C 64008366D a trusted choice for industrial drive system automation.
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Contact info
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- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
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