American Magnetics 420 Power Supply Programmer - Manual (Page 8)

vi Rev. 7
Table of Contents
2.6 Special Configurations.............................................................31
2.6.1 Superconducting Magnets without a Persistent
Switch ...........................................................................31
2.6.2 Short-Circuit or Resistive Load ...................................32
2.7 Power-Up and Test Procedure.................................................33
3 Operation .................................................................................37
3.1 Default Display Modes.............................................................37
3.1.1 Entering Numerical Values .........................................38
3.1.2 Menu Option Selection.................................................39
3.1.3 Exiting Menus ..............................................................39
3.2 Setup Menu Descriptions ........................................................39
3.2.1 Supply Setup Submenu................................................40
3.2.2 Load Setup Submenu ...................................................44
3.2.3 Misc Setup Submenu ...................................................48
3.2.4 Comm Setup Submenu ................................................49
3.2.5 Example Setup .............................................................50
3.3 Ramping Functions ..................................................................52
3.3.1 Ramping States and Controls......................................52
3.3.2 Ramping in Manual Mode ...........................................54
3.3.3 Ramping in Programmed Mode...................................55
3.3.4 Ramp to Zero Mode ......................................................56
3.3.5 Dial Adjustment of Current/Field in PAUSED Mode 56
3.3.6 Ramping Functions Example ......................................57
3.4 Persistent Switch Heater Control ...........................................59
3.4.1 Procedure for Entering Persistent Mode ....................60
3.4.2 Procedure for Exiting Persistent Mode .......................60
3.4.3 Optional Switching of External Power Supply ...........61
3.5 Quench Detection .....................................................................61
3.5.1 Disabling Automatic Quench Detection......................62
3.6 Summary of Operational Limits and Default Settings..........63
4 Remote Interface Reference ..................................................65
4.1 SCPI Command Summary ......................................................65
4.2 Programming Overview ...........................................................69
4.2.1 SCPI Language Introduction.......................................69
4.2.2 SCPI Status System .....................................................70
4.2.3 Standard Event Register .............................................73
4.2.4 Command Handshaking ..............................................74
4.3 RS-232/422 Configuration .......................................................76
4.3.1 Serial Port Connector...................................................76