20
and power the load under the same
conditions as in Backup Mode.
This is a facility particularly useful during
commissioning if mains is not available
to test load operation.
10
Battery
Management
10.1
Types of Batteries
BATTSAFE firmware includes factory-set
charging curves for the most common
battery types: Vented Lead Acid, AGM
and Gel Lead Acid, Ni-Cd, Li-Io.
Lead Acid batteries follows a 4-stage
charging curve: IUoU (Bulk, Absorption,
Float) plus Recovery stage for deeply
discharged batteries.
Charging curves can be selected by
dipswitch (see Chapt. 6.3). They can also
be customized via Data Link.
Table 7 - Charging voltage for battery type
Battery Type
Charging Voltage
(V/cell)
Float
Bulk
Vented Lead
2.23
2.4
VRLA AGM Lead
2.25
2.4
VRLA Gel Lead
2.3
2.4
Li-ion
3.45
1
3.65
1
Ni-Cd, Ni-Mh
1.40
2
1.50
2
Note:
1
12 V : 4 cells, 24 V : 8 cells;
2
12 V : 10 cells, 24
V : 20 cells, 48 V : 40 cells.
The Charge Current trimmer ( 7 )
allows to select the maximum
charging current from the
device to the battery. This is a
critical setting to protect the
battery
10.2
Battery charging
Battery management is performed by
Aris Power BATTSAFE, a comprehensive
battery management firmware based on
algorithms for automatic and optimized
battery charging.
BATTSAFE includes:
Universal Charger with factory-set
charging curves for the most
common battery types: Vented Lead
Acid, AGM and Gel Lead Acid, Ni-Cd,
Li-Io
flat batteries which are not
irreversibly damaged can be
recovered
real time diagnostic during
installation, preventing installation
errors
continuous battery monitoring
during operation, to minimize the risk
of battery damage and allow a fully
safe operation while keeping battery
in permanent connection with the
DC-UPS. Extended battery life is the
result.
Device and system faults are also
detected by auto-diagnostic features.
Battery Tester - Life test can be
activated manually through a
dedicated push button, to facilitate
maintenance checks
All status and faults signals are
shown on the front panel LEDs.
Data Link Communication (DLC), on
devices with this feature, allows
availability of status and faults signals
also in remote mode.
BATTSAFE can diagnose battery fault
conditions, among them:
o
Battery cells in short circuit
o
Sulfated battery
o
Reverse polarity connection
o
Battery missing or disconnected
o
Battery Life Test
Summary of Contents for DCU150M1224S
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