Rockwell-automation 2364,2364E NRU Diode Bridge Assembly Replacement ( Uživatelský manuál stáhnout pdf (Strana 1)

Publication 2364E-5.10 - April 1998

EPLACEMENT

NSTRUCTIONS

NRU™ Diode Bridge Assembly

Replacement (180 - 350A DC)

Contents In 180A DC and 350A DC NRUs, all 6 diodes (D1 - D6) and the both

the positive and negative heatsinks (HS1 - HS2) can be replaced

together as a single unit.

This publication describes how to replace the diode bridge assembly

in 180A DC and 350A DC non-regenerative, front-end units (NRU).

What This Kit Contains Using the table below, verify that you have received the appropriate

items in your kit:

Other Items Needed Before you begin, be sure you also have the following:

• Whatever tool(s) you will need to:

• Remove and connect line fuses and AC busbars

• Disconnect and connect wires

• Remove, loosen, and/or tighten bolts

• Torque bolts

• Documentation:

• Your drive system schematics

• Publication 2364E-5.01, Non-Regenerative DC Bus Sup-

ply (NRU) User Manual

For this part: You should receive this quantity:

diode bridge assembly 1

1 2 3 4 5 6 7 8

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Strany 1 - Replacement (180 - 350A DC)

Publication 2364E-5.10 - April 1998REPLACEMENT KIT INSTRUCTIONSNRU™ Diode Bridge Assembly Replacement (180 - 350A DC)Contents In 180A DC and 350A DC

Strany 2

2 NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) Publication 2364E-5.10 - April 1998Safety Precautions The following general precautions appl

Strany 3 - Assembly

NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) 3 Publication 2364E-5.10 - April 1998Removing the Diode Bridge Assembly This section

Strany 4 - Figure 4

4 NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) Publication 2364E-5.10 - April 19983. Disconnect the wire between suppressor diode D11 at th

Strany 5 - Figure 5

NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) 5 Publication 2364E-5.10 - April 19987. Loosen, but do not remove, the 2 lower bolts

Strany 6 - Installing the Diode Bridge

6 NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) Publication 2364E-5.10 - April 1998Figure 6Power Bridge Without AC Busbars and Line FusesIns

Strany 7

NRU™ Diode Bridge Assembly Replacement (180 - 350A DC) 7 Publication 2364E-5.10 - April 19989. Reconnect both of the "Heatsink-Over-Tem

Strany 8 - P/N 173345

NRU is a trademark of Rockwell International or its subsidiaries.Lexan is a trademark of General Electric Corp.Publication 2364E-5.10 - April 1998Supe

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