6 (30)
Document no.
99-99-111
Version
6
Date
2003-10-16
Sign.
ToNo
measurements in order to ensure that correct recharging takes place. This charging phase
is terminated if the max time or max Ah has been exceeded or if the current levels out or
even rises (battery fault dI).
E I2 (second yellow LED comes on)
This charging phase is also known as “additional charging”. When it starts, just as many
Ah have been recharged as have been discharged from the battery. This Ah value is
multiplied by the “charging factor normal” factor and the charging phase continues until
this value has been recharged. However, this is limited by the time settings “min I2
time” and “max I2 time”. Current and voltage are limited by the parameters I2 and U2.
F Trickle charging (green LED comes on)
Trickle charging normally continues until the battery is disconnected from the charger.
There are two types of trickle charging: constant and pulsed. Which type is used is
dependent on the charge curve selected.
Constant trickle charging indicates – as its name implies – constant voltage U3
(normally 2.26 V/c for this type of trickle charging) with max current I3.
Pulsed trickle charging begins with charging being stopped. When the battery voltage
has fallen to voltage U3 (normally 2.17 V/c for this type of trickle charging), a charging
pulse, max current I2, max voltage U2, begins which lasts 2 min. Charging is then
stopped again. The charging pulses cannot occur more often than once every
30 minutes.
G Equalising charge (green LED comes on)
This charging phase is used mainly in charge curves for sealed lead batteries. It starts
after a pause and consists of a low current, I4, with max voltage U4 over a long period.
The pause at the start of the charging phase means that it is active only on the rest day
which is recommended when sealed lead batteries are used.
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