Table of Contents
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Table of Contents
Related Manuals for ABB NBRA-669
Summarization of Contents
Safety Instructions
Overview
Provides a general introduction to safety instructions in the guide.
General Safety Instructions
Details critical safety guidelines for installation and maintenance.
Chapter 1 - Introduction to This Guide
Intended Audience
Defines the target users for this installation and start-up guide.
What This Guide Contains
Outlines the structure and content of the guide.
Related Publications
Lists other relevant ABB manuals for the ACS 600 system.
Chapter 2 - Overview
Resistor Braking
Explains the concept and purpose of resistor braking.
Braking Chopper NBRA-6xx
Describes the function and features of the NBRA-6xx braking choppers.
Accessories
Lists optional accessories for the braking chopper.
Delivery Check
Provides instructions for verifying the received package contents.
Warranty
Refers to the main installation manual for warranty information.
Braking Resistors
Discusses the types and selection criteria for braking resistors.
Fuses
Explains the requirements and purpose of fuses for specific braking chopper models.
Rating Tables
Refers to tables specifying ratings for choppers, resistors, cables, and fuses.
Selecting the Correct ACS 600/Chopper/Resistor Combination
Guides the user on choosing the appropriate system components.
Chapter 3 - Voltage Selection and Mechanical Installation
Overview
Introduces the chapter's content on voltage selection and mechanical installation.
Voltage Selection
Explains how to set the braking chopper's operating voltage.
Synchronisation of Multiple Choppers
Describes how to connect and synchronize multiple braking choppers.
Mechanical Installation Guide
Provides comprehensive guidance on installing various NBRA chopper models.
Chapter 4 - Electrical Installation
Overview
Introduces the chapter on electrical installation procedures.
Power Cable Selection and Routing
Details guidelines for selecting and routing power cables.
Control Connections
Describes the wiring for control signals and inputs/outputs.
Relay Output
Explains the function and usage of the fault indication relay output.
Enable Input and Fibre Optic Link
Covers the enable input and fibre optic options for chopper control.
Power Connections
Provides detailed power connection instructions for various NBRA models.
Chapter 5 - Fault Tracing
Fault Indications
Lists common faults and their corresponding relay output indications.
Appendix A - Dimensions
Overview
Introduces the appendix on physical dimensions.
Braking Chopper Dimensions
Presents dimensional drawings for various NBRA chopper models.
Braking Resistor Dimensions
Provides dimensional drawings for different braking resistor models.
Appendix B - Maximum Braking Power
How to Calculate Maximum Braking Power
Explains the method for calculating maximum allowed braking power.
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