Wesley BC-620-4CA - Manual (Page 61)

Curtis 1234/36/38 Manual,
OS
11 57
2 3 J U LY 2 0 0 8 D R A F T
3 — PROGRAMMABLE PARAMETERS: Battery Parameters
BATTERY MENU, cont’d
ALLOWABLE
PARAMETER RANGE DESCRIPTION
Reset Volts Per Cell 0.90–3.00 V The reset voltage level is checked only once, when KSI is first turned on.
BDI_Reset_Volts_Per_Cell 900–3000 Note that the BDI Reset Percent parameter also influences the algorithm
that determines whether BDI Percentage is reset to 100%.
Reset Volts Per Cell should always be set higher than Full Volts Per
Cell.
Reset Voltage Level = Reset Volts Per Cell × number of cells in the
battery pack. *
Full Volts Per Cell 0.90–3.00 V The full voltage level sets the Keyswitch Voltage that is considered to be
BDI_Full_Volts_Per_Cell 900–3000 100% state-of-charge; when a loaded battery drops below this voltage,
it begins to lose charge. Keyswitch Voltage is viewable in the 1311 menu
Monitor
» Battery.
Full Voltage Level = Full Volts Per Cell × number of cells in the battery
pack. *
Empty Volts Per Cell 0.90–3.00 V The empty voltage level sets the Keyswitch_Voltage that is considered to
BDI_Empty_Volts_Per_Cell 900–3000 be 0% state-of-charge.
Empty Voltage Level = Empty Volts Per Cell × number of cells in the
battery pack. *
Discharge Time 0–600 min. Sets the minimum time for the BDI algorithm to count down the BDI
BDI_Discharge_Time 0–600 Percentage from 100% to 0%. The BDI algorithm integrates the time the
filtered keyswitch voltage is below the state of charge voltage level. When
that cumulative time exceeds the Discharge Time / 100, the BDI Percentage
is decremented by one percentage point and a new state of charge voltage
level is calculated.
State of Charge Level = ((Full Voltage Level - Empty Voltage Level)
× BDI Percentage / 100) + Empty Voltage Level.
BDI Reset Percent 0–100 % When a battery has a high BDI percentage, its float voltage at KSI On
BDI_Reset_Percent 0–100 can sometimes cause false resets. The BDI Reset Percent parameter
addresses this problem by allowing the user to define a BDI Percentage
value above which the BDI Percentage variable will not reset.
When KSI is first powered on, the BDI Percentage variable will reset
to 100% only if ((Keyswitch Voltage > Reset Voltage Level) and (BDI
Percentage < BDI Reset Percent)).
* To determine the number of cells in your battery pack,
divide your Nominal Voltage setting (page 55) by 2.
DUAL DRIVE MENU
FOR DUAL DRIVE PARAMETERS, SEE THE DUAL DRIVE ADDENDUM, P/N 37022-DD.