DC Controller
UPC4 Master
User Manual
Page 23/100
©2010. ELTEK VALERE DEUTSCHLAND GmbH. UM_UPC4_V2.00_E_R1.1_2011-01-04
Thereby the batteries supply the connected load and consequently are discharged.
Following criteria finish a battery test:
achievement of test duration
under-running of a battery voltage value
maximum discharge battery capacity (%)
The battery test is assessed as faulty and a respective
event is generated, if the minimum test voltage
has been achieved within the test duration or the maximal battery capacity has been withdrawn.
After finishing the test duration or after an identification of a faulty battery the rectifiers are set back
to the def
ault value considering the battery charging current limitation.
An activated alarm message "battery test failure" manually can be cancelled at battery test menu, via
reset of th
e UPC4 or via an anew execution and faultless completion of the battery test.
(For details please see section 4.3.7 Battery test
).
4.3.8 Battery test data memory
By the assistance of the data memory the data are recorded during a battery test and later the data
can b
e readout via the PC program MMT (Multi Management Tool).
The following is automatically recorded during any battery test:
Start- und stop time of the battery tests
Duration of the battery tests
Starting of the battery tests (manually or automatically)
The withdrawn capacity during the battery tests and the measured battery voltage at the end
of the test
The data of the battery type, date of the battery installation and the nominal battery capacity
These data are retrieved from the entered data in the main menu.
The data as described above are each saved for the last 16 battery tests.
Additionally the collection of the following data of the last battery test is saved:
Number of the generated data set
The elapsed time of the battery test (hours, minutes, seconds)
The particular battery voltage and battery symmetry voltage
The particular battery current
The particular battery temperature
Due to this fact, detailed information about the run of the test is available after the test is finished.
4.3.9 Equalize charge
At equalize charge (compensating charge) the battery is charged using an increased charge voltage
which effects a recirculation of the battery acid and therefore cleaning of the battery plates. This
increases the battery lifetime (depending on the battery type).
Equalize charge can be started in different ways:
manually at the display (an external remote display RDD, RDP is required)
automatically by date and time
automatic repetition at selectable days
externally via MMT software, SNMP, Modbus or Profibus (planned) alternatively
via digital input
Furthermore it is possible to suppress equalize charge via digital input.
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