Bruker 300'154 Ascend DNP, User Manual

Page: 36 / 102

36 ZTKS0269 / Z33108 / 02
Operation
5.2 Sweep Procedure (DNP only)
1. Check the settings of the Sweep Power Supply (see ”Sweep Power Supply Set-
tings” on page 82 ). If necessary change settings (refer to the supplied manual of the
Sweep Power Supply).
2. Set the output current at the Sweep Power Supply to 0 A.
3. Switch the persistent switch heater ON.
4. Wait until the persistent switch heater delay is over.
5. Set the necessary output current.
6. Wait until the output current is reached.
7. Leave the sweep coil switch open until the persistent switch heater delay is over.
8. Switch the persistent switch heater OFF.
9. Wait until the persistent switch heater delay is over.
10. Set the output current to 0 A at the Sweep Power Supply.
11. Wait until the output current is 0 A.
12. Save the set output current to an applicable file for the next sweep procedure.
13. Switch the Sweep Power Supply OFF.
WARNING
Risk of a quench, if currents at the Sweep Power Supply and sweep coil
are different.
If the output currents at the Sweep Power Supply and the set current of the sweep
coil are different a quench can occur during heating the persistent switch heater.
Thus:
• Save the set output current to an applicable file for the next sweep procedure
(0 A if first energizing).
• Check the set output current and adjust it if necessary.