Power Supply Function
2. Use the knob or press the Up/Down key to select 3.Road-Vehicles = Off
and press [Enter].
3. Press the Left/Right key to select ISO21848, and press [Enter] to confirm.
4. Press the Left/Right key to select Momentary-Drop, and press [Enter] to
confirm.
The interface returns to the main interface of the system and displays
MOMENTARY-DROP.
5. Press [On/Off] on the front panel to turn on the output.
6. According to the selected trigger method (same as the trigger method of the
LIST function), for example, press [Shift]+[On/Off](Trigger) to trigger the
output of the waveform.
U
max,dyn
Test Pulse
Detect the function when the DUT is under maximum dynamic Voltage U
max,dyn
,
and simulate the maximum dynamic Voltage of high-energy pulse raised from
throw load in 42V electrical system, where the upper limit is the protection volt-
age of throw load.
After turning on [On/Off] and triggering the waveform output, the instrument will
apply a test pulse to the DUT, as shown below:
• t: Time (in ms)
• U: Voltage (in V)
Supply Voltage Transient Drop
Simulate the affect from short circuit when fuse element of another circuit is
melt. Detect the function status of the DUT at transient drop of Voltage.
Copyright © Itech Electronic Co., Ltd.
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