Instruction manual

49
Programming OVP Circuit in Front Panel Mode
If you want to program an OVP trip level and to enable the overvoltage
protection circuit using front panel keys, follow the next steps:
1. Turn on the power supply
When you turn on the power supply, the overvoltage protection circuit is
enabled and OVP trip level is set to maximum available value for OVP
parameter, depending on the model of the power supply (see table in the
prevous section).
2. Enter the OVP menu and set OVP trip level
By pressing OVP / Secure key, you enter the OVP menu. The power supply
will display the programmed OVP trip level.
For changing this value, you can use > < to select the digit you want to adjust
(selected digit has the cursor underneath) and then turn the knob to set the
desired value.
After you set the desired value for OVP trip level, you press OVP / Secure key.
Important note!
You cannot set an OVP trip level lower than 1 Volt.
The maximum OVP trip level value depends on the model of the power supply
(see table in the previous section )
3. Enable the OVP circuit
After you set the desired OVP trip level and you pressed OVP / Secure key,
OVP On, OVP Off and OVP Clear options are available.
To enable the OVP circuit, you select OVP On option by turning the knob
4. Exit the OVP submenu
To exit the OVP submenu and to validate all the settings you have done, then
you press OVP / Secure key.
After that, Changed message will be displayed and the power supply return to
previous state (the state before you entered the OVP submenu), in normal mode
operation.
ovp indicator will be displayed. If you didn’t change anything, the power
supply will display No Change message.
OVP On