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Graupner Ultramat 18 - 6470 Manual

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32
NiCd conditioning program
INC
This program is designed to optimise the capacity of a
battery, and balance the state of its component cells.At
top right you can set use the INC or DEC buttons to
determine whether the conditioning program is to start
with a charge or discharge cycle. After this you set the
number of cycles from 1 to 5 (e.g., if you set three cycles,
the pack will be charged and discharged three times). The
program discharges the battery using the set discharge
current stated on the right of the screen (0.10 ... 5.00 A),
and then recharges it using the charge current (0.1 ...
20.0 A) shown on the left of the screen. The charge
process is terminated automatically in accordance with
the values already set for „Ni-Cd Delta Peak cut-off
voltage“. The discharge cut-off voltage is set in the Ni-Cd
discharge program. The method of reading out the values
for the actual cycle is described in the section „Screen
displays“.
________________
________________NiCd cycle C>D 1
C:2.5A
D
:1.00A
DEC
INC
+
-
DEC
INC
+
-
ENTER
DEC
DEC
INC
or
ENTER
NiCd discharge balancing program
________________
________________
NiCd balance cut
off volt = 1.20V
DEC
INC
+
-
________________
________________
2
sec.
START
________________
________________**INFORMATION***
BALANCER CON.
DCH
The discharge balancing program does discharge and balance
up to 6 cells of a battery pack.
The final discharge voltage for the balancer can be set
within the range 1.20 … 1.30 V using the INC or DEC
button.
The individual cells in a battery should be balanced before
the pack is charged, to avoid the possibility of individual
cells being overcharged during the charge process. A
battery should always be balanced before being charged
if it has been stored for a considerable period;
connect the balancer plug to the charger to carry this out.
It is also essential that the voltage of each cell in the pack
should be higher than the set balancer final discharge
voltage.
If you wish to obtain maximum battery capacity, the
individual cells should be discharged to 1.20 V a few hours
- but no longer than two hours - before the next charge
process. If the voltage falls below 1.20 V, the battery cells
lose capacity, so the pack must be charged to around
60% capacity before being stored for a protracted period.
The program discharges the battery pack at a rate of 50
mA … 5.00 A. Cells with a higher cell voltage are
discharged at an additional current of around 100 mA
(balancing current). The charger terminates the discharge
balance process once all the cells have reached the
balancer final discharge voltage (+0.01 V).
DCH
BLC 28:30 01425
NC-3.00A 06.717V
2
sec.
… 32 …


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