Rockwell Automation 7000L PowerFlex 7000 Medium Voltage AC Drive C Frame - Marine - Manual (Page 12)

vi Table of Contents
7000L-UM302B-EN-P – June 2013 7000 “C” Frame - Marine
Pressure Indicator ............................................................ 4-72
Pressure Switch ............................................................... 4-72
Thermostatic Valve ......................................................... 4-73
Thermostatic Valve Replacement ................................... 4-74
Repair Instructions – Element Testing ............................ 4-75
Element Replacing .......................................................... 4-75
Heat Exchanger ............................................................... 4-76
Temperature Gauge ......................................................... 4-77
Fluid Conductivity .......................................................... 4-77
Temperature Sensor ........................................................ 4-77
De-ionizing Cartridge and Mesh Filter ........................... 4-78
Replacing the Mesh Filters .............................................. 4-79
Reservoir Circuit ............................................................. 4-79
Fluid Top-up .................................................................... 4-80
Strainers ........................................................................... 4-81
Coolant ............................................................................ 4-82
Leakage Checks .............................................................. 4-84
System Drain ................................................................... 4-84
Low Voltage Control Section ................................................ 4-85
DC/DC Power Supply ............................................................ 4-86
Description ...................................................................... 4-86
Terminal/Connections Descriptions ................................ 4-87
Replacement Procedure for DC/DC Power Supply ........ 4-88
Printed Circuit Board Replacement ....................................... 4-89
IO Connectors on Control Boards ......................................... 4-90
Drive Processor Module ........................................................ 4-91
Drive Processor Module Replacement ............................ 4-92
Instructions to Replace the Drive Processor Module ..... 4-92
ACB Analog Control Board .................................................. 4-95
LEDs ............................................................................... 4-98
Interface Module (IFM) .................................................. 4-99
Analog Inputs and Outputs .............................................. 4-99
Current Loop Transmitter .................................................... 4-100
Isolated Process Receiver .............................................. 4-101
Non-Isolated Process Outputs ....................................... 4-102
Auxiliary +24V Power Supply ...................................... 4-102
ACB Analog Control Board Replacement .................... 4-103
Tachometer Feedback Board ............................................... 4-104
Encoder Options ............................................................ 4-104
Quadrature Encoder Operation ...................................... 4-108
Positional Encoder Operations ...................................... 4-109
Positional Encoder Guidelines ...................................... 4-110
External Input/Output Boards .............................................. 4-111
External Input/Output Board Replacement ................... 4-113
Optical Interface Boards (OIB) ............................................ 4-114
Optical Interface Board Replacement ........................... 4-115
Optical Interface Base Board (OIBB) .................................. 4-117
Optical Interface Base Board Test Points ..................... 4-118
Downloading Firmware ....................................................... 4-119
Chapter 4 Component Definition
and Maintenance
(cont.)