Product Short Description

Product Introduction

The ABB NDBU-95C (64008366) is a high-performance digital communication branching unit designed for ABB’s Distributed Drives Communication System (DDCS). It serves as a critical hub for building star-topology communication networks, enabling a single master drive to connect and control up to nine slave drives simultaneously. This unit facilitates high-speed, reliable data exchange between multiple variable frequency drives (VFDs), ensuring precise synchronization and coordinated motion control in complex multi-drive systems. It leverages fiber-optic communication for superior noise immunity and long-distance signal transmission, making it ideal for industrial automation applications requiring robust, real-time drive-to-drive communicationABB.

Description

Technical Specifications

Core Identification

  • Model: NDBU-95C
  • Part Number: 64008366
  • Manufacturer: ABB
  • Product Type: DDCS Star Connection Branching Unit
  • Compatible Platforms: ABB ACS800, DCS800-S0, DCS800-EP Series Variable Frequency Drives; DDCS Distributed Drive Systems
  • Form Factor: Compact module for cabinet/control panel mounting
  • Net Weight: 0.45 kg
  • Country of Origin: FinlandABB

Communication Specifications

  • Communication Protocol: DDCS (Distributed Drives Communication System)
  • Transmission Speed: 10 Mbps per port
  • Number of Ports: 1 master input port, 9 slave output ports (star topology)ABB
  • Interface Type: Fiber-optic (primary) with RS-485 backup option
  • Transmission Distance: Up to 1,000 meters (fiber-optic); up to 100 meters (RS-485)
  • Isolation Voltage: 2,500 V DC (optical isolation between ports)
  • Data Integrity: Built-in error detection and correction mechanisms

Electrical Specifications

  • Power Supply: 24 V DC (±10%)
  • Power Consumption: < 3 W
  • Input Current: ≤ 125 mA at 24 V DC
  • Isolation: Full galvanic isolation between communication ports and power supply

Environmental & Mechanical

  • Operating Temperature: -10°C to +55°C
  • Storage Temperature: -40°C to +85°C
  • Relative Humidity: 5–95% RH, non-condensing
  • Vibration Resistance: IEC 60068-2-6 compliant
  • Shock Resistance: IEC 60068-2-27 compliant
  • Protection Rating: IP20 (for indoor cabinet installation)
  • Dimensions: 150 mm (L) × 100 mm (W) × 40 mm (D)
  • Mounting: DIN rail mounting or direct panel mounting

Certifications & Compliance

  • CE Marking
  • UL Listed
  • RoHS Directive compliance
  • EMC compliance: EN 55011, EN 61800-3

Key Features

High-Speed DDCS Communication

  • Delivers 10 Mbps data transfer rate for real-time drive-to-drive communication
  • Enables sub-millisecond synchronization between multiple drives
  • Supports precise speed, torque, and position reference sharing across the network
  • Facilitates coordinated motion control for multi-axis systems
  • Provides deterministic communication with minimal latency

Star Topology Architecture

  • Creates a centralized communication hub with 1 master and 9 slave connectionsABB
  • Simplifies network wiring and installation in large drive systems
  • Enables independent control of each slave drive from the master
  • Supports flexible system expansion by adding slave drives to the network
  • Enhances system reliability through isolated port connections

Fiber-Optic Communication Advantage

  • Utilizes fiber-optic interfaces for maximum noise immunity in industrial environments
  • Eliminates electrical interference and ground loop issues
  • Supports long-distance communication up to 1,000 meters
  • Provides complete electrical isolation between connected devices
  • Ensures secure and reliable data transmission in harsh conditions

Redundant Communication Paths

  • Offers dual communication media support (fiber-optic and RS-485)
  • Enables automatic failover to backup communication medium
  • Provides continuous operation during primary communication failure
  • Enhances system availability and fault tolerance
  • Supports hot-swapping of communication media without system shutdown

Plug-and-Play Integration

  • Automatically detected and configured by connected ABB drives
  • Requires minimal configuration for basic operation
  • Supports automatic address assignment for slave drives
  • Integrates seamlessly with ABB DriveWindow software for configuration
  • Provides diagnostic LEDs for quick status monitoring

Robust Industrial Design

  • Engineered for continuous operation in demanding industrial environments
  • Features wide operating temperature range for versatile deployment
  • Implements comprehensive EMC protection for reliable performance
  • Constructed with high-quality components for long service life
  • Backed by ABB’s global warranty and technical support

Comprehensive Diagnostics

  • Provides LED indicators for power, communication status, and fault conditions
  • Supports real-time monitoring of network health and port activity
  • Generates detailed fault codes for quick troubleshooting
  • Enables remote diagnostics via the master drive or DriveWindow software
  • Supports proactive maintenance through performance monitoring

Application Scenarios

Multi-Axis Motion Control Systems

  • Packaging Machinery: Synchronized control of multiple conveyors, sealing units, and labeling machines
  • Printing Equipment: Coordinated control of web feeders, tensioners, and print heads
  • Textile Machinery: Synchronized operation of spinning frames, looms, and winding machines
  • Plastic Processing: Coordinated control of extruders, calenders, and cutting units
  • Woodworking Machinery: Synchronized motion of saws, routers, and material handlers

Material Handling & Conveyor Systems

  • Airport Baggage Handling: Coordinated control of multiple conveyor segments
  • Logistics Sorting Systems: Synchronized operation of sorting machines and diverters
  • Mining Conveyors: Coordinated control of long-distance material transport systems
  • Port Cargo Handling: Synchronized operation of cranes, conveyors, and stackers
  • Automotive Assembly Lines: Coordinated control of assembly line conveyors and workstations

Process Industry Applications

  • Pumping Stations: Coordinated control of multiple pumps in water distribution networks
  • HVAC Systems: Synchronized operation of fans, pumps, and dampers in large buildings
  • Food & Beverage Processing: Coordinated control of mixing, filling, and packaging lines
  • Chemical Processing: Synchronized operation of reactors, mixers, and transfer pumps
  • Pharmaceutical Manufacturing: Coordinated control of sterile processing equipment

Metal Processing & Manufacturing

  • Steel Rolling Mills: Coordinated control of rolling stands and material handling systems
  • Aluminum Extrusion: Synchronized operation of extrusion presses and handling equipment
  • Wire & Cable Manufacturing: Coordinated control of drawing, stranding, and coating lines
  • Metal Forming: Synchronized operation of presses, brakes, and transfer systems
  • Tube & Pipe Manufacturing: Coordinated control of welding, sizing, and cutting units

Marine & Offshore Applications

  • Ship Propulsion Systems: Coordinated control of multiple thrusters and propulsion drives
  • Dynamic Positioning Systems: Synchronized operation of azimuth thrusters
  • Offshore Platforms: Coordinated control of pumping and compression systems
  • Cargo Handling: Synchronized operation of winches, cranes, and conveyor systems
  • Ballast Water Management: Coordinated control of ballast pumps and valves

Renewable Energy Systems

  • Solar Tracking Systems: Coordinated control of multiple solar panel actuators
  • Wind Turbine Systems: Synchronized operation of pitch control drives
  • Hydroelectric Power Plants: Coordinated control of turbine governing systems
  • Energy Storage Systems: Coordinated control of battery charging/discharging inverters
  • Smart Grid Applications: Coordinated control of distributed energy resources

Paper & Pulp Industry

  • Paper Machines: Coordinated control of forming, pressing, and drying sections
  • Pulp Processing: Synchronized operation of digesters, washers, and bleaching systems
  • Converting Equipment: Coordinated control of slitting, rewinding, and coating machines
  • Recycling Lines: Synchronized operation of pulpers, cleaners, and screening equipment
  • Finishing Lines: Coordinated control of calenders, supercalenders, and winders

Reviews

There are no reviews yet.

Be the first to review “ABB NDBU-95C 64008366D DCS Star Connection Branching Unit”

Your email address will not be published. Required fields are marked *

View Related Products