23
Issue 13 (11/14/2017)
The Battery Charger Status screen displays several important charger operating values.
CHARGER
COMPUTED TEMPERATURE
MODE
COMPENSATION OFFSET
BATTERY VOLTAGE
COMPUTED TEMPERATURE
COMPENSATED EQUALIZE VOLTAGE
CHARGER CURRENT
COMPUTED TEMPERATURE
COMPENSATED FLOAT VOLTAGE
BATTERY
TEMPERATURE
The charger mode can be
,
(Trickle),
(Bulk),
(Equalize), or
(Float).
The displayed Equalize and Float voltages will vary with temperature from the configured values.
The computed temperature compensation offset will be positive below +25°C and negative above +25°C.
Charger Operation
The power supply Battery Charger will attempt to charge a deeply discharged battery. Normally the charger
checks for at least 1.5 volts per cell on the battery string but the charger can be forced to attempt to charge a bat-
tery at as low as approximately 0.8 volts per cell by modifying the Charger Threshold setting in the Configuration
Menu. Below 1.5 volts per cell the charger will run in Trickle Mode and charge the battery at a low current, typi-
cally 1% or less of the maximum current level.
Above 1.5 volts per cell the charger switches to Bulk Mode, charging the battery at full available current while
regulating the voltage output. It remains in this mode until the charge voltage has risen to approximately 95% of
the Equalize voltage, at which point the charger switches to Equalize Mode, charging the battery at the constant
Equalize voltage. During this mode the charge current will taper off as the battery comes up to full charge. The
charger will switch to Float Mode when the charge current drops to approximately 10% or less of the maximum
current output. In this mode the charger voltage is held at a constant Float voltage level to maintain a full charge
on the battery. The charger will remain in Float Mode until the battery has discharged down to approximately
90% of the Float voltage, at which point the charger will switch back to Bulk Mode.
Fig. 5-1 Charger Modes
The basic Equalize and Float voltages are selected in the Configuration Menu. The defaults are 2.39 volts per
cell for Equalize, 2.25 volts per cell for Float. With a temperature probe connected to the power supply a
Temperature Compensation factor will be applied to both voltages. The default Temperature Compensation
Summary of Contents for EB1s
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Page 35: ...33 Issue 13 11 14 2017 Fig 8 1 Battery Balancer wiring 36V 3 batteries 1 string ...
Page 36: ...34 Issue 13 11 14 2017 Fig 8 2 Battery Balancer wiring 48V 4 batteries 1 string ...
Page 37: ...35 Issue 13 11 14 2017 Fig 8 3 Battery Balancer wiring 36V 6 batteries 2 strings ...
Page 38: ...36 Issue 13 11 14 2017 Fig 8 4 Battery Balancer wiring 48V 8 batteries 2 strings ...
