Rockwell Automation RGU Instructions

Board replacement kit

Contents

What This Kit Contains

RGU™ Hub Board Replacement

This document shows how to replace a hub board in a Regenerative

DC Bus Supply Unit (RGU).

Using the table below, verify that you have received the appropriate

items in your kit:

For this part:

hub communication board

ESD wrist strap

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

•

Tools needed for:

•

Loosening and securing screws

•

Measuring voltages

•

Documentation:

•

Your drive system schematics

•

Publication 2364F-5.01, Regenerative DC Bus Supply

Unit (RGU)–User Manual

EPLACEMENT

You should receive this quantity:

Publication 2364F-5.15 - November 1998

NSTRUCTIONS

Table of Contents

Do you have a question about the RGU and is the answer not in the manual?

Page 1 RGU™ Hub Board Replacement Contents This document shows how to replace a hub board 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:...
Page 2 RGU™ Hub Board Replacement Safety Precautions The following general precautions apply when servicing an RGU or a drive system lineup: ATTENTION: Only those familiar with the drive system, the products used in the system, and the associated machinery should plan or implement the installation, startup, and future maintenance of the system.
Page 3 RGU™ Hub Board Replacement Preliminary Steps Before replacing the hub board, shut off the power; wait five minutes for voltage to discharge; and open the bay door to the power structure. Check the board and the wiring for physical damage (melted copper, burn marks, or damaged components).
Page 4 − T x Concluding Steps After installing the board, check for any scrap material or tools in the RGU, and secure the bay door. Send the old board to Rockwell Automation for repair; or dispose of the board according to your company’s procedures and your local ordinances.