System Operation
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
35
So that an incorrect Ah Discharged value does not affect cyclic battery charging in a hybrid
generator/battery power system, an incorrect Ah Discharged value will be corrected after one
discharge/recharge cycle:
• Ah Discharged is set to zero when the recharge reaches Maximum Duration (and
the battery is assumed to be fully charged).
• Ah Discharged is set to the Start Ah Threshold when the battery discharges down
to the Voltage Threshold.
• Ah Discharged is limited to a maximum value of Battery Capacity.
• Ah Discharged can be set to zero after a Fast Charge or Equalize cycle. See
Batteries Configuration on page 69.
• Ah Discharged can be automatically counted down when the system is in Float
state. See Batteries Configuration on page 69.
• Ah Discharged can be manually reset to zero.
Temperature Compensation
As the ambient temperature of a battery drops (or rises) the voltage required to maintain full
charge increases (or decreases). Temperature Compensation automatically varies the float voltage
to cancel the effects of changing temperature.
Enable Temperature Compensation for optimum battery life and battery capacity over a wider
temperature range.
Temperature Compensation does NOT function during a Battery Test.
► To enable Temperature Compensation
• Use the SC300 keypad to go to: Control Processes > Temp. Compensation > Enable.
• Or, in DCTools/Web go to: Control Processes > Temperature Compensation.
Information
The following information is available about Temperature Compensation.
Parameter Description Where to find:
State Indicates if Temperature Compensation is active
or inactive.
SC300: Control Processes >
Temp. Compensation >
Enable
DCTools/Web: Control
Processes > Temperature
Compensation
Voltage Offset The adjustment to the bus voltage being applied
due to the Temperature Compensation. Offset is
zero when the battery temperature equals the
reference temperature.
Battery
Temperature
The temperature measured by the battery
temperature sensor.
SC300: Analogs > Battery
Temperature
DCTools/Web: Batteries
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