Lakeshore Learning Materials 623 Manual De Usuario

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual 

 

 

 

 

List of Illustrations ......................................................................................................................................iv 
List of Tables..............................................................................................................................................iv 
Foreword .................................................................................................................................................... v 

Purpose and Scope ................................................................................................................................ v 
Hardware Covered.................................................................................................................................. v 
Warnings, Cautions, and Notes .............................................................................................................. v 
General Installation Precautions ............................................................................................................. v 
Electrostatic Discharge ........................................................................................................................... v 

Handling Electrostatic Discharge Sensitive Components....................................................................vi 
Safe Handling of Liquid Cryogens .......................................................................................................vi 
Magnet Quenches ...............................................................................................................................vi 

Dangerous Voltages ...............................................................................................................................vi 
Before You Operate the Equipment.......................................................................................................vii 
Safety Summary ....................................................................................................................................vii 
Safety Symbols ..................................................................................................................................... viii 

1.0 General ...................................................................................................................................1-1 
1.1 Features..................................................................................................................................1-1 
1.2 Specifications..........................................................................................................................1-2 
1.3 Operating 

Characteristics .......................................................................................................1-4 

1.3.1 

True, Four-Quadrant Bidirectional Power Flow ...................................................................1-4 

1.3.2 

Low Noise, High Stability Current Regulated Output...........................................................1-5 

1.3.3 

Highly Efficient, Air-Cooled, Compact Unit ..........................................................................1-5 

2.1 

Inspecting and Unpacking ......................................................................................................2-1 

2.2 MPS 

Mounting ........................................................................................................................2-1 

2.3 Environmental 

Requirements .................................................................................................2-1 

2.4 

Connecting the MPS to Power................................................................................................2-1 

2.4.1 

Power and Ground Requirements .......................................................................................2-2 

2.4.2 

MPS Input Power Ratings....................................................................................................2-2 

2.4.3 

Input Power Connections ....................................................................................................2-2 

2.5 Power 

Up ................................................................................................................................2-3 

2.5.1 

Magnet Cable Connections .................................................................................................2-3 

2.5.2 

Shielding, Grounding, and Noise.........................................................................................2-4 

2.5.3 

MPS Remote Inhibit and Fault Indicator Connections.........................................................2-4 

2.5.4 

AC On Indicator ...................................................................................................................2-4 

2.5.5 OVP 

Connection..................................................................................................................2-4 

2.5.6 

MPS Analog Current and Voltage Monitoring Connections.................................................2-5 

2.5.7 

External Current Programming............................................................................................2-5 

2.5.8 

Remote Sense Connections................................................................................................2-5 

2.6 

Multiple Auto-Parallel Setup....................................................................................................2-6 

2.6.1 

Multiple MPS Remote Inhibit Mode .....................................................................................2-8 

2.7 Post-Installation 

Instructions...................................................................................................2-9 

2.8 

System Shutdown and Repackaging for Storage or Shipment...............................................2-9 

2.9 

Returning Equipment to Lake Shore.......................................................................................2-9 

3.0 General ...................................................................................................................................3-1 
3.1 

The MPS Front Panel .............................................................................................................3-1 

3.2 Power 

UP................................................................................................................................3-2