Functions and Features
1. Press [Shift]+[Recall] (Protect) to enter Protect menu interface.
2. Use left and right keys or rotate the knob to select U-Max or U-Min and
press [Enter] key to confirm.
3. Rotate the knob to adjust the value and press [Enter] key to confirm.
4. Press [Esc] to exit the protection menu setting.
4.3.2 Set Over-Voltage Protection
Over-voltage protection function allows the user to enable the protection and
set a over-voltage limit (Level) and delay time (Delay). This function prevents
the output voltage from being higher than the limited output voltage and protects
the connected DUT so it this is not over-voltage and possibly damaged due to
an excessive voltage.
An over-voltage protection will occur if:
• Enable OVP;
• The output voltage value is greater than the set voltage protection point
Level and the period is greater than the set protection delay time Delay.
Delay time Delay — You can specify an OVP delay to prevent momentary
output settings, DUT and status changes from tripping the over-voltage pro-
tection. In most cases these momentary conditions would not be considered
an over-voltage protection fault, and having an OVP condition disable the
output when they occur would be a nuisance. Specifying an OVP delay lets
the OVP circuit ignore these momentary changes during the specified delay
period. Once the OVP delay time has expired and the over-voltage condition
persists, the output will shut down.
When over-voltage protection occurs, the instrument responds as follows:
• Instrument output is off;
• The buzzer sounds;
• The interface displays “Over Voltage Protect” and flashes;
• Status register, the OV status bit is set to 1.
Enable OVP
1. Press [Shift]+[Recall] (Protect) to enter Protect menu interface.
2. Use left and right keys or rotate the knob to select OVP 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 over-voltage limit Level and press [Enter] key
to confirm.
Copyright © Itech Electronic Co., Ltd.
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