American Magnetics 03300PS-430-601 High Stability Integrated Power Supply System - Manual (Page 104)

86 Rev. 5
Operation
Persistent Switch Control : Exiting Persistent Mode
b. When ENTER is pressed, the display will indicate that the
magnet was in persistent mode 1 when the Model 430
Programmer was turned off (and display the magnet current
that was established when the persistent switch was cooled).
3. Press PERSIST. SWITCH CONTROL and the Model 430 display
prompts with:
Note
Should the user desire not to exit persistent mode, press ESC to
return to the default field/current display. If the PERSIST.
SWITCH CONTROL key is later pressed, the Model 430 Programmer
will execute steps 4 through 7, below.
Note
If persistent mode is not exited and it is later desired to display the
magnet current that was established when the persistent switch was
cooled, refer to section 3.6.2 on page 35 for the procedure.
4. When ENTER is pressed, the power supply is ramped to the current
that was flowing in the magnet at the time the persistent mode was
entered. The power supply will ramp at the PSw P/S Ramp Rate
value
2
.
1. The
MAGNET IN PERSISTENT MODE
LED will also be illuminated.
2. Refer to section 3.10.2.11 on page 60.
Magnet in Persistent Mode (13.5A). Press
PERSIST SWITCH CONTROL to exit Per. Mode
+0.00 A
P
Press ENTER to exit
+0.00 Vs Persistent Mode
+11.72 A Mode: Power Supply ramping
+0.73 Vs to magnet current