User Manual

82 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 31 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 56.
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