Rockwell Automation Allen-Bradley 7712 Manuals

Manuals and User Guides for Rockwell Automation Allen-Bradley 7712. We have 1 Rockwell Automation Allen-Bradley 7712 manual available for free PDF download: User Manual

Rockwell Automation Allen-Bradley 7712 User Manual

Rockwell Automation Allen-Bradley 7712 User Manual (74 pages)

7.2 kV Motor Controller - Full-voltage Non-reversing

Brand: Rockwell Automation | Category: Controller | Size: 5 MB

Table of Contents

Table of Contents
3
Arcshield Arc Flash Resistant Enclosure Features
7
Introduction
7
Service and Maintenance
7
Summary of Changes
7
Who Should Use this Manual
7
Controller Unit Identification
8
Additional Resources
9
Chapter 1 Environmental Conditions

11
Chapter 2 Open the Enclosure Doors

16
- Opening the Low Voltage Door
  16
- Opening the Medium Voltage Door
  17
Chapter 3 Contactor Inspection

19
- Preliminary Checks
  19
- Testing Contactor Operation
  20
  - Test Power Supply
    21
  - Operating Position
    21
Chapter 4 Power Lockout Procedure

27
- Open Contactor
  27
- Power down Low Voltage Section
  27
- Selecting Power Source
  28
- Connecting Test Power
  28
- Racking Contactor Cart
  28
- Operation of Motor Controller
  30
  - Earthing Switch Operation
    30
  - Earthing Switch Positioning Indicators
    31
- Contactor Cart
  32
  - Connect LV Plug
    32
  - Shutter Position Indicator
    33
Chapter 5 Required Tools

37
- Maintenance of Industrial Control Equipment
  37
  - Periodic Inspection
    37
  - Contamination
    38
  - Operating Mechanisms
    38
  - Terminals
    38
  - Coils
    39
  - Pilot Lights
    39
- Annual Maintenance Requirements
  39
- Remove Contactor Cart
  40
- Remove and Replace Fuses
  43
- Contactor Cart Maintenance
  45
- Earthing Switch Maintenance
  53
- Earthing Switch Auxiliary Maintenance
  56
Appendix A

59
Typical Bulletin 7712 Parts

59
Appendix B Test Summary

61
- High Voltage Controlgear Starter
  61
Appendix C Door Interlock Circumvention

63
- Earthing Switch to Door
  63
- Door to Isolation Shutter
  65
Appendix D

69
- KD and KE Keys
  69
- KC Key
  69
- KA and KB Keys
  69
- KC Keys for Doors
  69
- KD and KE Key for Output Cables Cabinet Door
  69
- Transfer Block
  70
- Keys
  69

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