Protective Function - ITech IT8300 Series User Manual

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when the power voltage rises and is higher than Von Point loading voltage.
When the power voltage drops and is lower than Von Point unloading
voltage, the load will not unload.
Load working range when VON LATCH is started

3.16 Protective Function

The load is provided with following protective functions: overvoltage protection
(OVP), overcurrent protection (OCP), overpower protection (OPP),
overtemperature protection (OTP) and AC protection (ACP).
Overvoltage protection (OVP)
The load will be immediately OFF and the buzzer will sound if the overvoltage
circuit is triggered. OV and VF bits of the status register will be set and OVP will
be displayed on the screen of the load till resetting.
Clear overvoltage protection status:
Inspect whether voltage of object under test is within load rated voltage or set
protection voltage range. If not, disconnect the object. Press the [Esc] key on
load front board (or send command PROTection:CLEar), the load front board
(OVP) word will get cleared and the load will exit OVP protection status.
Overcurrent protection (OCP)
When software overcurrent protection function is on, if the loading current value
exceeds delay of such overcurrent protection set value, the load will
automatically be OFF and the VFD will display OCP. At the same time, OC and
PS bits of the status register will be set and keep till reset.
The setting method as follows:
1. Press [Shift] + 9(Config) to enter configuration menu setting screen.
2. Press
When VON LATCH function is started, the load starts load test only
to move to the Protect and press [Enter].
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Function and Features
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