Instrument functions
R&S
®
NGU
65
User Manual 1179.2531.02 ─ 03
6.8
Protection
There are various ways in which the R&S
NGU protects itself and the connected load
from damage due to overvoltage, overcurrent and overpower drawn by the load during
testing.
1. Press [Settings] key.
The R&S
NGU displays the device/channel menu window.
2. Select the required channel tab to configure the various protection dialogs.
The R&S
NGU displays the channel menu.
6.8.1
Overcurrent protection (OCP)
When the drawn current exceeds the limit set for the respective channels, an alert is
triggered and the affected channels are turned off according to the settings configured
in the OCP dialog.
1. Select "Overcurrent Protection (OCP)" from the menu.
The R&S
NGU displays the OCP dialog.
Figure 6-31: Overcurrent protection dialog
2. Activate the "Enabled" menu item.
The R&S
NGU enables the OCP and displays the OCP icon on the selected chan-
nel status bar information.
3. Set the required "Fuse Delay Time" and "Fuse Delay At Output-On".
The R&S
NGU displays the on-screen keypad to set the values.
● "Fuse Delay Time": The time taken to turn off the affected channel after OCP is
triggered.
● "Fuse Delay At Output-On": The time taken after channel output is turned on
before OCP is put into operation.
Protection
