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Manuals and User Guides for Lakeshore 623. We have
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Lakeshore 623 manual available for free PDF download: User Manual
Lakeshore 623 User Manual (90 pages)
Magnet Power Supply
Brand:
Lakeshore
| Category:
Power Supply
| Size: 1.04 MB
Table of Contents
Table of Contents
3
Foreword
7
Purpose and Scope
7
Hardware Covered
7
Warnings, Cautions, and Notes
7
General Installation Precautions
7
Electrostatic Discharge
7
Handling Electrostatic Discharge Sensitive Components
8
Safe Handling of Liquid Cryogens
8
Magnet Quenches
8
Dangerous Voltages
8
Before You Operate the Equipment
9
Safety Summary
9
Safety Symbols
10
Introduction
11
General
11
Features
11
Specifications
12
Operating Characteristics
14
True, Four-Quadrant Bidirectional Power Flow
14
Four-Quadrant Power
14
Low Noise, High Stability Current Regulated Output
15
Comparison of Old and New MPS Designs
15
Highly Efficient, Air-Cooled, Compact Unit
16
Initial Setup and Connections
17
Inspecting and Unpacking
17
MPS Mounting
17
Environmental Requirements
17
Connecting the MPS to Power
17
Power and Ground Requirements
18
MPS Input Power Ratings
18
Input Power Connections
18
Power up
19
Magnet Cable Connections
19
Shielding, Grounding, and Noise
20
MPS Remote Inhibit and Fault Indicator Connections
20
AC on Indicator
20
OVP Connection
20
RI, FLT, ON, and OVP Connections
20
MPS Analog Current and Voltage Monitoring Connections
21
External Current Programming
21
Remote Sense Connections
21
Analog Monitoring, Programming, & Remote Sense Connections
21
Multiple Auto-Parallel Setup
22
Remote Sensing Connections
22
Multiple MPS Remote Inhibit Mode
24
Typical Multiple MPS Connections for Two MPS Units
24
Post-Installation Instructions
25
System Shutdown and Repackaging for Storage or Shipment
25
Returning Equipment to Lake Shore
25
MPS Front Panel
27
Power up
28
Normal Display for Manual Mode
28
Normal Display for Manual PSH Control
29
Normal Display for Automatic PSH Control
29
Function Menus
31
Function Menu 1
31
Automatic Mode / Manual Mode
31
Interface Setup Screen
31
3.6.1.3 Step Limit/Zero Screen
32
3.6.1.4 Instrument Setup Screen
32
Function Menu 2
33
3.6.2.1 Outputs Only Screen
34
3.6.2.2 Lhe Level
34
3.6.2.3 Field
34
3.6.2.4 PSH Setup
34
Function Menu 3
34
3.6.3.1 Delays Setup Screen
34
Delays Setup Screen with Dithering
35
Manual Persistence Control Example
35
Automatic Persistence Control Example
35
Operation
27
General
27
The MPS Front Panel
27
Typical Automatic Mode Cycle
36
Dithering in Automatic Mode
37
Remote Operation
39
4.0. General
39
4.1. Ieee-488 Interface
39
IEEE-488 Interface Settings
39
IEEE-488 Command Structure
40
4.1.2.1 Bus Control Commands
40
4.1.2.2 Common Commands
40
Interface and Device Specific Commands
40
Status Registers
40
4.1.3.1 Status Byte and Service Request Enable Registers
41
Example IEEE Setup and Program
42
4.1.4.1 GPIB Board Installation
42
4.1.4.2 Run the Example Quickbasic Program
42
Notes on Using the IEEE Interface
43
Typical National Instruments GPIB Configuration from IBCONF.EXE
44
Serial I/O Interface
45
Serial Interface Adapters
45
Serial Interface Hardware Configuration
46
Serial Interface Settings
46
Sample BASIC Serial Interface Program
46
Notes on Using the Serial Interface
47
Summary of IEEE-488/Serial Interface Commands
48
Operational Commands Description
49
Interface Commands Description
51
Ramping Commands Description
52
Current Zero Commands Description
53
Current Step Limit Commands Description
54
Computed Field Commands Description
55
Common Commands Description
56
Error Messages and Troubleshooting
59
General
59
Software Error Messages
59
Factory Default Settings
62
Calibration
63
Performance Test
64
B Rear Panel CAL and ID Switch Definitions
66
IEEE-488 Interface Connector
66
Rear Panel Connector Details
66
Serial Interface Cable and Adapters
68
Rear Panel Connectors
66
Serial Interface Connector
66
Model 2001 RJ-11 Cable Assembly Wiring
68
Options and Accessories
69
General
69
Model 6224 IEEE-488/Serial Interface
69
Model 6226/6476 Liquid Helium Level and Gaussmeter Input Card
69
Hall Sensor Mounting Considerations - Models HGCT-3020 and HGCA-3020
70
The Model MSA-410 and MST-410 Hall Sensors
71
Connections
71
Installation
71
Lhe Level
72
Lhe Level Operation
72
Field Probe Setting and Calibration
73
Level Sensor Calibration
73
Model 6226/6476 IEEE-488 Remote Operation Commands
74
Nbti Filament Resistance Chart
74
Nbti Filament Resistance Values
74
Model 6228 and 6228-8MUX Persistent Switch Heater Output
77
Installation
77
Model 6228 Operation
77
Model 6228-8MUX Operation
78
PSH Card Voltage Constraints
78
Model 6228 Remote Operation Commands
79
Model 6228-2 Persistent Switch Heater Output
80
Model 6228-2 Remote Operation Commands
81
Accessories
82
Appendix A - Units for Magnetic Properties
85
Appendix B - Mainframe Remote Operation
85
B1.0 General
85
B2.0 Control Bus Serial Interface Specifications
85
B3.0 Control Bus Serial Interface Connector
85
B4.0 Control Bus Serial Interface Configuration
86
B5.0 Selecting the Control Bus Serial Interface Address
86
B6.0 Control Bus Serial Interface Operation
87
B7.0 Control Bus Serial Interface Sample Program
88
B-1 MPS Mainframe Control Bus Remote Command Summary
89
B-2 Additional MPS Mainframe Control Bus Remote Commands
90
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