ABB UNO-DM-3.3-TL-PLUS Product Manual page 142

Changing the above-mentioned parameters may prevent disconnection from the grid if the
new values exceed those given in the standards of the country of installation. If these para-
meters are changed to values outside the standard range, an interface protection must be
installed external to the inverter in accordance with the requirements of the country of install-
ation.
Parameter
Set U>>
Set U>
Set U> (10Min)
Set U<
Set U<<
Set F>>
Set F>
Set F<
Set F<<
Set Connect
> Set U>Connect
> Set U<Connect
> Set F>Connect
> Set F<Connect
> Set Time con.
> Set T GridFault
Set Slow Ramp
Set OF Derating
> OF Der. Mode
> OF Der. Res. T.
Reset Latch
4. Service
This section of the menu is reserved for installers.
A special access password is required, which may be obtained from the
website https://registration.ABBsolarinverters.com.
Before connecting to the site, make sure you have all the information
required to calculate your password: Inverter Model, Serial Number and
week of manufacture of the Inverter
When you have a password you can set the parameters in the menu.
The table below shows the parameters which cannot be modified.
Description
Grid over-voltage (OV) threshold (extended range)
Grid over-voltage (OV) threshold (restricted range)
Grid over-voltage (OV) threshold (average grid voltage value)
Grid under-voltage (UV) threshold (restricted range)
Grid under-voltage (UV) threshold (extended range)
Grid over-frequency (OF) threshold (extended range)
Grid over-frequency (OF) threshold (restricted range)
Grid under-frequency (UF) threshold (restricted range)
Grid under-frequency (UF) threshold (extended range)
Max. permissible voltage during checks prior to grid connection
Min. permissible voltage during checks prior to grid connection
Max. permissible frequency during checks prior to grid connection
Min. permissible frequency during checks prior to grid connection
Grid check time prior to connection
Grid check time prior to connection after a grid fault
Enables gradual ramping up of power after the grid connection.
Selects the power derating mode in the event of grid over-frequency.
Time period after OF derating in which the inverter checks that the frequency is back within the
operating ranges (parameters "F<Connect" "F>Connect") required by the grid standard before
ramping up the output from the derating condition.
Allows the Latch alarms present to be reset manually
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7 - Operation