Section 5: Application examples Series 2280 Precision DC Power Supply Reference Manual
5-10 077085503 / March 2019
Measure the fast current load changes
To perform a fast current load measurement on the front panel:
1. Press the MENU key.
2. Under Measure, select Settings.
3. Select the button next to Function and press the ENTER key. The function dialog box is
displayed.
4. Select the current measurement.
5. Select the button next to Range and press the ENTER key. The range dialog box is displayed.
6. Use the up and down arrow soft keys to select the 10 A range.
7. Select the button next to Auto Zero and press the ENTER key. The case issue dialog box is
displayed.
8. Select Off.
9. Select the button next to NPLC and press the ENTER key. The number of power line cycles
(NPLC) dialog box is displayed.
10. Set the NPLC to 0.01.
11. Connect the external trigger signal to digital I/O line 1 on the rear panel. For details of the digital
I/O line, refer to the following table.
V
ext
line (relay flyback diode protection)
12. Press the MENU key.
13. Under Trigger, select Configure.
14. Select the button next to Arm Source and press the ENTER key.
15. Select External.
16. Select the button next to Sample Count and press the ENTER key.
17. Set the sample count to 30.
18. Press the HOME key.
19. Press the V-Set or I-Limit soft key. The editing window is displayed at the bottom of the screen.
20. Set the voltage to 5 V and current limit to 3 A.