User guide
Table Of Contents
- Table of Contents
- List of Figures
- List of Tables
- Foreword
- 1 Introduction
- 1.1 Model 4Q1010PS-430 Integrated Power Supply System Features
- 1.1.1 Digitally-Controlled
- 1.1.2 Superior Resolution and Stability
- 1.1.3 Intuitive Human-Interface Design
- 1.1.4 Flexibility
- 1.1.5 Standard Remote Interfaces
- 1.1.6 Programmable Safety Features
- 1.1.7 Condition-Based Magnet Auto-Rampdown
- 1.1.8 Model 4Q1010PS-430 General Description
- 1.1.9 Power Supply System Rack Front Panel Layout
- 1.2 Model 430 Front Panel Layout
- 1.3 Model 430 Rear Panel Layout
- 1.4 Power Supply Unit Front Panel Layout
- 1.5 System Specifications @ 25 C
- 1.6 Operating Characteristics
- 1.1 Model 4Q1010PS-430 Integrated Power Supply System Features
- 2 Installation
- 3 Operation
- 3.1 System Power On/Off Sequence
- 3.2 Model 430 Programmer Default Display
- 3.3 Entering Numeric Values
- 3.4 Using Fine Adjust Knob to Adjust Numeric Values
- 3.5 Entering Picklist Values
- 3.6 Single-key Commands / Menu
- 3.7 SHIFT-key Commands / Menus
- Figure 3-5. SHIFT-Key Functions
- 3.7.1 Ramp Rate SHIFT-key
- 3.7.2 Voltage Limit SHIFT-key
- 3.7.3 Reset Quench SHIFT-key
- 3.7.4 Increment Field SHIFT-key
- 3.7.5 Field <> Current SHIFT-key
- 3.7.6 Decrement Field SHIFT-key
- 3.7.7 Field Units SHIFT-key
- 3.7.8 Persistent Switch Heater Current SHIFT-key
- 3.7.9 Stability SHIFT-key
- 3.7.10 Vs <> Vm SHIFT-key
- 3.7.11 Volt Meter SHIFT-key
- 3.7.12 Fine Adjust SHIFT-key
- 3.7.13 Persist. Switch Control SHIFT-key
- 3.8 LED Indicators
- 3.9 Setup Menu
- 3.10 Setup Submenu Descriptions
- Figure 3-7. Setup Menu Structure
- 3.10.1 Supply Submenu
- 3.10.2 Load Submenu
- 3.10.2.1 Stability Setting
- 3.10.2.2 Coil Constant
- 3.10.2.3 Magnet Current Rating
- 3.10.2.4 Current Limit
- 3.10.2.5 Calculate Magnet Inductance
- 3.10.2.6 PSwitch Installed
- 3.10.2.7 PSwitch Current Detect (mA)
- 3.10.2.8 PSwitch Current
- 3.10.2.9 PSwitch Heated Time
- 3.10.2.10 PSwitch Cooled Time
- 3.10.2.11 PSwitch Power Supply Ramp Rate
- 3.10.2.12 PSwitch Cooling Gain
- 3.10.2.13 Enable Quench Detect
- 3.10.2.14 Energy Absorber Present
- 3.10.2.15 Enable External Rampdown
- 3.10.3 Misc Submenu
- 3.10.4 Net Settings Submenu
- 3.10.5 Net Setup Submenu
- 3.11 Example Setup
- 3.12 Ramping Functions
- 3.13 Persistent Switch Control
- 3.14 Ramping Functions Example
- 3.15 Quench Detection
- 3.16 External Rampdown
- 3.17 Summary of Operational Limits and Default Settings
- 4 Remote Interface Reference
- 4.1 SCPI Command Summary
- 4.2 Programming Overview
- 4.3 RS-232 Configuration
- 4.4 Ethernet Configuration
- 4.5 Command Reference
- 4.5.1 System-Related Commands
- 4.5.2 Status System Commands
- 4.5.3 SETUP Configuration Commands and Queries
- 4.5.4 Protection Commands and Queries
- 4.5.5 Ramp Configuration Commands and Queries
- 4.5.6 Ramping State Commands and Queries
- 4.5.7 Switch Heater Command and Query
- 4.5.8 Quench State Commands and Queries
- 4.5.9 Rampdown State Queries
- 4.5.10 Trigger Functions
- 4.6 Error Messages
- 5 Service
- 5.1 System Component Maintenance
- 5.2 Troubleshooting Hints
- 5.2.1 Electrostatic Discharge Precautions
- 5.2.2 The Model 430 does not appear to be energized
- 5.2.3 FAILURE TO LOAD message displayed after power-up
- 5.2.4 Power supply unstable - magnet voltage oscillates
- 5.2.5 The power supply system will not charge the magnet.
- 5.2.6 Cannot charge the magnet at the selected ramp rate.
- 5.2.7 Cannot discharge the magnet at the selected ramp rate
- 5.2.8 Cannot charge the magnet to desired field.
- 5.2.9 Current in only one direction from 4-quadrant supply
- 5.2.10 Cannot place the magnet in persistent mode.
- 5.2.11 Cannot bring the magnet out of persistent mode.
- 5.2.12 The magnet quenches for no apparent reason
- 5.2.13 Cannot lower the magnet field
- 5.2.14 There is excessive LHe boil-off during operation.
- 5.2.15 Cannot display the magnetic field strength, only current
- 5.2.16 Cannot use remote communications commands.
- 5.2.17 Magnet current drifts unacceptably while PSwitch cooling
- 5.2.18 Model 430 appears to lock up when connecting to network
- 5.3 Additional Technical Support
- 5.4 Return Authorization
- Appendix
- A.1 Magnet Station Connectors
- A.2 LHe Level / Temp Connectors
- A.3 Programmer Shunt Terminals
- A.4 Program Out Connector
- A.5 Quench I/O Connector
- A.6 Aux Inputs Connector
- A.7 Ethernet Connector
- A.8 RS-232 Connector
- A.9 Abbreviations and Acronyms used in this Manual
- A.10 Model 430 Programmer Specifications
- A.11 Power Supply Details
- A.12 Remote Computer Communication with the Model 430
- A.13 Upgrading the Model 430 Firmware via FTP
- A.14 Upgrading the Model 430 Firmware via Flash Card Reader
- A.15 Model 430 Remote Control Application
- A.16 Model 430IP Power Supply Programmer
- A.17 Persistent Switch Operation Flowchart
- Index
40 Rev. 5
Operation
LED Indicators
3.8 LED Indicators
The Model 430 Programmer has six front panel LED indicators. See figure
with Table 1-1 on page 5 for the location of these indicators.
3.8.1 Power-on Indicator
The green power-on LED indicates that the Model 430 Programmer is
powered on.
3.8.2 Magnet Status Indicators
Four LEDs are grouped together to show the magnet status.
3.8.2.1 Field At Target Indicator
The green
FIELD AT TARGET LED indicates that the current is at
the target value. If the magnet is not in persistent mode (persistent
switch heater is on), then this is an indication that the magnet field
has reached the target value. If the magnet is in persistent mode,
then this is an indication that the current being supplied to the
magnet system has reached the target value.
3.8.2.2 Magnet In Persistent Mode Indicator
Caution
If the Model 430 Programmer power is turned off while the
persistent switch is heated, persistent switch heating will be lost and
the magnet will enter persistent mode. The Model 430 will not have
a record of that event. Therefore the MAGNET IN PERSISTENT
MODE LED state will be incorrect (remain
OFF) when the Model
430 Programmer power is restored.
Caution
If the Model 430 Programmer power supply system is powered off
and moved from one magnet system to another, the
MAGNET IN
PERSISTENT MODE
LED may not correctly indicate the state of the
Figure 3-6. Magnet Status LED Indicators.