Functions and Features
delay period. Once the UVP delay time has expired and the under-voltage
condition persists, the output will shut down.
When under-voltage protection occurs, the instrument responds as follows:
• Instrument output is off;
• The buzzer sounds intermittently;
• The interface displays “Under Voltage Protect” and flashes;
• Status register, the UV status bit is set to 1.
Enable UVP
1. Press [Shift]+[Recall] (Protect) to enter Protect menu interface.
2. Use left and right keys or rotate the knob to select UVP and press [Enter]
key to confirm.
3. Use left and right keys or rotate the knob to select On and press [Enter] key
to confirm.
4. Rotate the knob to adjust the under-voltage limit Level and press [Enter]
key to confirm.
5. Rotate the knob to adjust the delay time Delay and press [Enter] key to
confirm.
6. Rotate the knob to adjust the warm-up time Warm Up and press [Enter] key
to confirm.
7. Press [Esc] to exit the protection menu setting.
Clear Under-Voltage Protection
To clear the under-voltage and return to normal operation, firstly remove the
conditions that caused the protection fault. Press [Esc] key (or send the com-
mand PROTection:CLEar) to clear the protection status. The “Under Voltage
Protect” displayed in front panel is cleared and the instrument exits UVP status.
4.3.6 Set Under-Current Protection
Under-current protection function allows the user to enable the protection and
set a under-current limit (Level), delay time (Delay) and warm-up time (
Warm Up).
An under-current protection will occur if:
• Enable UCP;
• The output time exceeds the warm-up time;
Warm-up time Warm Up — You can specify the warm-up time for UCP pro-
tection to make the instrument not judge the under-current protection fault
within the specified warm-up time.
Copyright © Itech Electronic Co., Ltd.
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