Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) - Manual (Page 10)

viii Table of Contents
7000A-RM001A-EN-P – January 2011 7000 “A” Frame
Impeller Maintenance ...........................................................5-54
Isolation Transformer Cooling Fan .................................5-54
Inlet Ring Removal and Replacement ...................................5-54
Safety Notes ....................................................................5-54
DC Link / Fan Section .....................................................5-55
Procedure .........................................................................5-55
Top on Integral Isolation Transformer Section ...............5-55
Replacement of Air Filters .....................................................5-56
Procedure .........................................................................5-56
Control Power Components ...................................................5-59
Ride-Through ..................................................................5-59
AC/DC Power Supply ............................................................5-62
Description ......................................................................5-62
Location ...........................................................................5-63
Terminal/Connections Description (Pioneer PS) ............5-65
Terminal/Connections Description (Cosel PS) ...............5-66
Output Calibration .......................................................... 5-67
Replacement Procedure ...................................................5-67
Low Voltage Control Section ................................................5-69
DC/DC Power Supply ............................................................5-71
Description ......................................................................5-71
Terminal/Connections Descriptions ................................5-71
Replacement Procedure for DC/DC Power Supply ........5-72
Printed Circuit Board Replacement .......................................5-73
IO Connectors on Control Boards ........................................ 5-74
Drive Processor Module ........................................................5-75
Drive Processor Module Replacement ............................5-77
Instructions to replace the Drive Processor Module ......5-77
ACB Analog Control Board ..................................................5-79
Connectors on Analog Control Board .............................5-80
Test Points on Analog Control Board ............................5-81
Interface Module (IFM) ................................................. 5-83
Analog Inputs and Outputs ..............................................5-83
Current Loop Transmitter ................................................5-84
Isolated Process Receiver ................................................5-85
Non Isolated Process Outputs .........................................5-86
Auxiliary +24V Power Supply ........................................5-86
ACB Analog Control Board Replacement ......................5-87
Tachometer Feedback Board ................................................ 5-88
Encoder Options ............................................................. 5-88
Quadrature Encoder Operation ....................................... 5-92
Positional Encoder Operations ....................................... 5-93
Positional Encoder Guidelines ....................................... 5-93
External Input/Output Boards ................................................5-95
External Input/Output Board Replacement .....................5-96
Optical Interface Boards ........................................................5-97
Optical Interface Board Replacement .............................5-99
Chapter 5 Component Definition
and Maintenance
(cont.)