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Rockwell Automation 2364F RGU Isolation Board Replacement User Manual

Rgu™ isolation board replacement, Replacement kit instructions

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Publication 2364F-5.13 June 1999

Replacement Kit Instructions

RGU™ Isolation Board Replacement

Contents

This document shows how to remove and replace the isolation board and
burden resistors in a Regenerative DC Bus Supply Unit (RGU).

What This Kit Contains

Using the table below, verify that you have received the appropriate items in
your kit.

If you have received an isolation board kit:

If you have received a burden resistor kit:

Note: Refer to Table A to verify that you have received the appropriate
burden resistor kit.

Other Items Needed

Before you begin, be sure you also have the following:

Tools you will need for:

Measuring voltages

Removing, loosening, and tightening screws (including terminal

screws)

Torquing screws (6 lb-in / 0.7 N-m)

Documentation:

Your drive system schematics

Publication 2364F-5.01, Regenerative DC Bus Supply Unit (RGU)–

User Manual

Note: If the existing burden resistors are damaged, you will need to
order the appropriate resistor kit (see Table A on
page 4).

For this part:

You should receive this quantity:

isolation board

1

ESD wrist strap

1

For this part:

You should receive this quantity:

burden resistors

2 (for Series A RGUs)
3 (for Series B RGUs)