ABB UNO-DM-3.3-TL-PLUS Product Manual page 146

Test in corso
.....
123456 XXX 1/3
Test: OK
123456 XXX 2/3
YYYY Y ZZZZZ
123456 XXX 3/3
YYYY Y ZZZZZ
At the end of the test, when the inverter has disconnected from the grid,
the results and values of the test performed will appear on the display.
You can move from one screen to another using the UP/DOWN arrow
keys.
Details of the data available in each screen are provided below:
Screen 1 of 3
Inverter serial number
Parameter tested (e.g. U>>)
Screen number
Test result
Screen 2 of 3
Inverter serial number
Parameter tested (e.g. U>>)
Screen number
Value of the grid parameter detected when the safeguard was tripped
Measured protection tripping time
Screen 3 of 3
Inverter serial number
Parameter tested (e.g. U>>)
Screen number
Protection tripping value
Set protection tripping time
The test results should be considered valid on the basis of the following
tolerances, as reported in the applicable legislation:
• ≤ 5% for voltage thresholds
• ± 20 mHz for frequency thresholds
• ≤ 3% ± 20 ms for tripping times
Press ESC to go back to the Autotest menu, from where you may select
the next test to be performed
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7 - Operation