American Magnetics 4Q1010PS-430 Integrated Power Supply System - Manual (Page 99)

Rev. 5 81
Operation
Persistent Switch Control : Exiting Persistent Mode
Note
If desired, press the ESC key return the Model 430 Programmer to
the default display.
Note
Refer to section 3.6.2 on page 31 for the procedure to display the
magnet current that was established when the persistent switch was
cooled.
6. If desired, the power supply system can be de-energized. Turn the
power supply off first followed in a few seconds by the Model 430
Programmer.
Note
The Model 430 Programmer will store the state of the magnet in
memory and assist the user in exiting the persistent mode when the
Model 430 Programmer is next turned on (discussed in the section to
follow).
3.13.3 Procedure for Exiting Persistent Mode
To exit the persistent mode of magnet operation, the user should perform
the following steps:
1. If the Model 430 Programmer has not been powered off since the
magnet was placed in persistent mode, proceed to step 3.
2. If the Model 430 Programmer has been powered off since the
magnet was placed in persistent mode, complete the following
steps a. and b. before proceeding to step 3.
a. Energize the Model 430 and wait for the prompt on the Model
430 display and then energize the power supply.
After the power supply has been on for a few seconds, press
ENTER to clear the Model 430 screen prompt.
+0.00 A - Mode: Zero Current
+0.00 Vm PSwitch Heater: OFF
+0.00 A P Turn on power supply
+0.00 Vs Press ENTER to continue