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Table of Contents
W7 ASD Installation and Operation Manual i
General Safety Information ....................................................................................................1
Safety Alert Symbol .................................................................................................... 1
Signal Words ............................................................................................................... 1
Special Symbols ................................................................................................................. 2
Electrical Hazard Symbol ........................................................................................... 2
Explosion Hazard Symbol .......................................................................................... 2
Equipment Warning Labels ................................................................................................ 2
Qualified Personnel ............................................................................................................3
Equipment Inspection ......................................................................................................... 3
Handling and Storage ......................................................................................................... 3
Disposal .............................................................................................................................. 4
Installation Precautions ...................................................................................................... 5
Location and Ambient Requirements ......................................................................... 5
Mounting Requirements .............................................................................................. 5
Conductor Requirements and Grounding ................................................................... 6
Power Connections ..................................................................................................... 6
Protection .................................................................................................................... 7
System Integration Precautions .......................................................................................... 8
Personnel Protection ................................................................................................... 8
System Setup Requirements ............................................................................................... 9
Operational and Maintenance Precautions ....................................................................... 10
Service Life Information ........................................................................................... 10
Motor Characteristics ........................................................................................................... 11
Pulse Width Modulation Operation .................................................................................. 11
Overload Protection Adjustment ...................................................................................... 11
Power Factor Correction .................................................................................................. 11
Light Load Conditions ..................................................................................................... 11
Load-produced Negative Torque ...................................................................................... 11
Motor Braking ..................................................................................................................12
ASD Characteristics .............................................................................................................. 12
Over-current Protection .................................................................................................... 12
ASD Capacity ...................................................................................................................12
Installation and Connections ................................................................................................ 13
Installation Notes .............................................................................................................. 13
Mounting the ASD ........................................................................................................... 14
Connecting the ASD ......................................................................................................... 15
System Grounding ..................................................................................................... 15
Power Connections ................................................................................................... 15
Lead Length Specifications ....................................................................................... 16
Startup and Test ........................................................................................................ 16
I/O and Control ................................................................................................................. 17
I/O Terminal Descriptions ........................................................................................ 18