Set Over-Voltage Protection (Ovp) - ITech IT6000C Series User Manual

Bi-directional programmable dc power supply
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Контрольно-измерительные приборы и оборудование
Clear the Protection

4.5.1 Set Over-Voltage Protection (OVP)

Possible Cause
When protection is generated, the VFD screen displays the following
information:
The first row shows the meter voltage and the meter current value.
The second row shows specific fault information, such as OVP.
After the instrument triggers protection and generates a fault message, you
need to troubleshoot the possible cause. When the fault is resolved, the VFD
will still prompt the fault information. You can manually clear the fault information
record through the following methods.
Input a pulse signal to pin 1 of the rear panel P-IO to clear the fault
information.
For details, see
3.6.7.1 IO–1. Ps-Clear,
Press the [Esc] or [Enter] key on the front panel to manually clear the fault
information.
Connected to the host computer, the PC sends a PROTection:CLEar com-
mand to the instrument to clear the fault information.
After the protection fault is cleared, you need to press the [On/Off] key on the
front panel or send the OUTPut ON command to the instrument to reopen
[On/Off].
Users can enable the OVP function and set the protection limit Level and pro-
tection delay time Delay. When the voltage (i.e., the Meter value) is greater than
this protection limit and the delay time is exceeded, the power supply will enter
the OVP state.
Many reasons can cause OVP, the details are as follows:
The set protection limit Level is lower than the voltage Meter value.
Input too high external voltage.
The power supply outputs a high voltage due to a fault.
Copyright © Itech Electronic Co., Ltd.
www.tehencom.com
Power Supply Function
Not-Invert.
73

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