Allen-Bradley PowerFlex 7000

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Rockwell Automation Publication 7000-UM202D-EN-P - May 2018 95

Power Component Definition and Maintenance Chapter 2

Figure 83 - Thermal sensor replacement (Heatsink Model)

Figure 84 - Thermal Sensor Replacement (SPS Board Model)

Te mp erat ur e

Feedback

Circuit Board

Mounting Pad

Insulating

Bushing

Mounting Screw

Thermal Sensor and

Cable Assembly

Mounting Screw

Insulating

Bushing

Mounting Pad

Thermal Sensor and

Cable Assembly

Temperature Feedback

Circuit Board

Main Page

Default Chapter3
- Table of Contents3
Preface9
- Purpose9
- Summary of Changes9
- Who Should Use this Manual9
- General Precautions10
- What Is Not in this Manual10
- Commissioning Support11
- Abbreviations12
- Additional Resources13
- Product Certification13
Chapter 1 Topology15
Powerflex 7000 Drive Overview15
- Rectifier Designs16
  - Configurations16
- Cooling Technology18
- Motor Compatibility19
- Simplified Electrical Diagrams20
- Functional Safety23
  - Safe Torque off23
- Arcshield Technology24
- Operator Interface25
  - Basic Configurations25
Chapter 2 Control Power off Tests27
- Interlocking27
Power Component Definition and Maintenance27
- Control / Cabling Cabinet Components29
- Voltage-Sensing Assembly37
  - Replacing the Voltage-Sensing Circuit Board Assembly38
- Input Transient Protection39
  - Transient Suppression Network (TSN)39
  - Surge Arresters43
- Filter Capacitor Cabinet50
  - Filter Capacitors50
  - Replacing Filter Capacitors51
  - Testing Filter Capacitors52
- Converter Cabinet Components54
- Powercage Module Overview59
- Resistance Checks60
- SGCT and Snubber Circuit61
  - SGCT Testing67
  - SGCT Anode-To-Cathode (Sharing) Resistance68
  - Snubber Resistance (SGCT Device)70
  - Snubber Capacitance (SGCT Device)71
  - Replacing the SGCT73
  - Replacing Snubber and Sharing Resistor76
  - Replacing Snubber Capacitor80
  - Replacing Sharing Resistors82
- Silicon Controlled Rectifier Powercage Modules82
  - SCR Testing83
  - SCR Anode-To-Cathode Resistance85
  - SCR Sharing Resistance Test86
  - SCR Gate-To-Cathode Resistance87
  - Snubber Resistance (SCR Device)88
  - Snubber Capacitance (SCR Device)89
  - Replacing SCR and SCR Self-Powered Gate Driver Boards90
  - (Spgdb)90
- Uniform Clamping Pressure92
  - Checking Clamping Pressure93
  - Clamping Pressure Adjustment93
- Temperature Sensing94
  - Replacing the Thermal Sensor94
- Replacing Heatsinks/Heatpipes97
  - Replacing Heatsinks98
  - Replacing Heatpipes99
- Powercage Gasket100
  - Replacing Powercage Gaskets102
  - Removing the Powercage Module103
- Self-Powered SGCT Power Supply - SPS105
  - Board Calibration105
  - Test Points105
  - Testing Equipment107
- Self-Powered Gate Driver Board - SPGDB108
  - Board Calibration108
  - Test Points108
  - Terminal/Connections109
- Testing Procedure for SCR Self-Powered Gate Driver Board110
  - Testing Equipment110
  - Procedure110
- Fiber Optic Cabling113
- Air Pressure Sensor114
  - Replacing the Air Pressure Sensor115
- DC Link and Fan Cabinet Components115
  - DC Link Reactor119
  - Removing and Replacing Fans121
  - Fan Installation123
- Impeller Maintenance124
  - Impeller Removal from Motor Shaft124
  - Installing Impeller Assembly Onto Motor Shaft125
  - Replacing Air Filters127
Chapter 3 Control Power Components131
- Ride-Through131
Control Component Definition and Maintenance131
- AC/DC Power Supply133
- UPS Option141
  - Replacing the UPS143
- Low Voltage Control Section144
- DC/DC Power Supply145
  - Terminal/Connections Descriptions146
  - Replacing a DC/DC Power Supply147
- Drive Processor Module148
  - Replacing the Drive Processor Module150
- Analog Control Board (ACB)152
- Current Loop Transmitter157
- Encoder Feedback Board160
- External Input/Output Boards167
  - Replacing the External Input/Output Board168
- Optical Interface Boards (OIB)169
Appendix A175
- B" Frame Drive Specifications175
Specifications175
Appendix B Service Duty Rating, Continuous Current Rating and Altitude Rating Code181
Powerflex 7000 Drive Selection Explanation181
- Annual Maintenance183
Appendix C183
- Operational Maintenance183
- Preventative Maintenance Checklist183
- Overview190
Appendix D Torque Requirements for Threaded Fasteners193
Appendix E Insulation Resistance Test195
Overview195
- Insulation Resistance Test Procedure196
  - Required Equipment196
  - Procedure196
Maximum Line Cable Sizes201
Appendix F Maximum Load Cable Sizes203
Air Quality Requirements205
Appendix G Hazardous Materials206
- Capacitor Dielectric Fluid206
- Printed Circuit Boards206
- Lithium Batteries206
- Chromate Plating207
- In Case of Fire207
- Disposal207

Allen-Bradley PowerFlex 7000

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