Table of Contents
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Table of Contents
Related Manuals for ABB NBRA-656
Summarization of Contents
Safety Instructions
Overview of Safety Information
General overview of safety instructions and notations used in the guide.
Warnings and Notes Distinction
Distinction between warnings and notes for safety information.
General Safety Precautions
Essential safety precautions for installation and operation of the equipment.
Chapter 1 – Introduction to This Guide
Intended Audience for the Guide
Specifies the target user group for this installation and start-up guide.
Guide Content Overview
Outlines the structure and content covered in each section of the guide.
Related ABB Publications
Lists other ABB manuals relevant to the ACS 600 frequency converter.
Chapter 2 – Overview
Resistor Braking Principles
Explanation of resistor braking principles and its use with AC drives.
NBRA-6xx Braking Chopper
Introduction to the NBRA-6xx braking choppers as optional devices for ACS 600.
Accessories, Delivery, and Warranty
Details on optional accessories, delivery checks, and warranty information.
Resistors, Fuses, and Rating Tables
Information on braking resistors, fuses, and relevant rating tables for component selection.
Selecting the Correct Combination
Guidelines for choosing the appropriate ACS 600, chopper, and resistor combination.
Chapter 3 – Voltage Selection and Mechanical Installation
Chapter Overview and Voltage Setting
Guides on chapter overview and how to select and set the braking chopper's voltage.
Synchronisation of Multiple Choppers
Method for synchronizing multiple braking choppers using fiber optic link.
Mechanical Installation for NBRA Models
Detailed instructions for the physical installation of various NBRA chopper models.
Chapter 4 – Electrical Installation
Overview and Cable Routing
Covers electrical installation overview, power cable selection, and routing for minimal interference.
Control Connections
Details on connecting control signals and inputs to the chopper.
Relay Output and Enable Input
Explains the fault indication relay output and the enable input for controlling chopper operation.
Fibre Optic Link for Synchronisation
Description of the fiber optic link for synchronizing multiple choppers.
Power Connections for NBRA Models
Specific power connection diagrams and instructions for various NBRA chopper models.
Chapter 5 – Fault Tracing
Fault Indications and Remedies
Lists common faults, their causes, and recommended remedies for troubleshooting.
Appendix A – Dimensions
Appendix Overview
Introduction to the appendix detailing physical dimensions of components.
Braking Chopper Dimensions
Dimensional drawings and specifications for NBRA braking choppers.
Braking Resistor Dimensions
Physical dimensions and specifications for various SACE and SAFUR braking resistors.
Appendix B – Maximum Braking Power
Calculating Maximum Braking Power
Explains the method for calculating maximum allowed braking power for different operating cycles.
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