ABB NDBU-95 64008366

 
ABB NDBU-95C (64008366) Technical Specification Overview
  

The ABB NDBU-95C (often referred to as NDBU-95C or 3AFE64008366) is an optical fiber branching unit (DDCS Branching Unit) primarily used in industrial automation systems. It is designed for distributed control systems (DCS) and drive networks, enabling optical fiber communication distribution and protocol conversion among multiple devices.

Functional Features

Distributed Control Link Distribution:
The core function of the NDBU-95C is to distribute one DDCS protocol control link to multiple drives (such as ABB frequency converters). The control unit can be a PC with DriveWindow software, an Advant application controller (such as AC 80), or a fieldbus communication interface (FCI, CI810) equipped with TB810/TB811 optical modules.

Flexible Network Topology:
Supports connecting multiple drives (up to 9) to the network via a DDCS branching unit or ring topology, ensuring efficient data communication and monitoring.

Real-Time Monitoring and Control:
When used together with modules such as the NETA-01 Ethernet adapter, the following advanced functions are supported:

Monitoring: Read and adjust drive parameters, status information, and actual values; configure and monitor data loggers; read and clear fault logs; enable event notification and continuous monitoring via email; collect data through Modbus TCP server.

Control: Send control commands to drives (start, stop, enable operation, etc.); provide motor speed or torque setpoints; reset drive faults.

High-Reliability Design:

Suitable for industrial environments, with a high protection class (similar products reference IP55), ensuring stable operation under harsh conditions.

High efficiency rating helps reduce energy consumption and user costs.

Compatibility and Integration:

Compatible with a wide range of ABB drives (frequency converters) and automation control systems (such as AC500).

Can also serve as a spare part for robotic systems (as mentioned by some sources), though its primary use remains in drive control networks.

Application Fields

Power Transmission and Distribution Systems: Used in power plants, substations, and transmission lines to ensure reliable power delivery and distribution.

Industrial Automation: Widely applied in industries such as steel, power, cement, chemicals, and paper manufacturing within DCS systems to connect and control multiple drives.

Robotic Control Systems: Can be used as part of ABB robot spare parts for system communication.

Summary

The ABB NDBU-95C (64008366) is a high-performance optical fiber branching unit designed for industrial DDCS networks. Known for its multi-channel distribution capability, flexible topology support, and seamless integration with ABB drive systems, it plays a crucial role in ensuring reliable data transmission and centralized control. It is an ideal choice for building efficient and stable industrial automation systems.

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