System Operation
Copyright © 2007-2018 Eaton Corporation. All Rights Reserved.
IPN 997-00012-03 B2 Issue B2 July 2018
69
Batteries Configuration
The following battery parameters must be configured.
Parameter
Description
Where to find:
Cells Per String The number of 2V cells per battery string (for
example: 24 in a 48V nominal system).
SC300: Battery > Battery
(tab)
DCTools/Web: Batteries
Battery Capacity Set to the rated 10 hour capacity of the installed
battery strings.
Battery State
Threshold
Used to determine the
Battery Charge State
. See
Battery Charge State
on page
DCTools/Web: Batteries
Battery Type
An optional text field for the name or type of
battery.
Ah Discharged
Float Reset Rate
When the system is in float charging state, the
Ah Discharged figure is every hour decreased by
(Ah Discharged Float Reset Rate * Battery State
Threshold). The default is 0.5 Ah / hour.
Battery Current
Sensor Fail
Recognition
Period
An optional battery current sensor fail delay.
Set if momentary battery current sensor fail
conditions stop battery related control processes.
End of Charge
Action
Set Ah Discharged to zero after Equalize and
Fast Charge, after Fast Charge only, or after
Equalize only.
Use this option to allow Equalize and / or Fast
Charge to reset Ah Discharged, particularly in a
cyclic charge situation where Ah Discharged will
drift over time.
Battery Installed
Date
If required, this date can be entered for future
reference.
Battery Design
End of Life Date
If a date is entered here, and the
Battery End of
Life
alarm is enabled, the
Battery End of Life
alarm
will become active at this date.
Site Backup Time Where a site has a known back-up time, enter
that time here. During a discharge, Site Backup
Time Remaining will count down from this
figure. This gives users a quick view of the
expected time left before the site power fails.
