T-code Valid from serial number
403-414, 669-671, 716-718 713962-
Date Order number
2005-06-01 218920-040
38- 8 Service Manual REFLEX RR B/E, RR B/E CC © BT Europe AB
Battery charger – 8340
Functional description
Reading of long term statistics
BTM saves statistics of how the battery and charger have been utilised
from a long term perspective. The recharging factor is discarded in
these statistics.
Battery utilisation can be read from five registers. Depending on the
depth of discharge, each charge is stored in one of these registers.
The limits shown in the following table are delivery settings, but can be
changed.
• Press * register number *.
Storing parameters
Parameters used by the program and that can be changed are stored in
a parameter memory (EE-prom). This type of memory holds informa
-
tion when switched off, yet permits the contents to be changed.
Chargers with program version 1.19 or later contain two EE-proms for
secure data storage. Important data is stored in both and is monitored
by a special program function that warns of non conformity. If an error
should occur in one of the memories, the program automatically copies
data from the other memory.
If an intentional change is made, e.g. while programming, the program
approves this, but warns that the change has only be written to one of
the memories (E77).
Older chargers with only one EE-prom store information in two sepa-
rate areas of the memory. If the contents of these memory areas are
not the same the program gives a warning through the error code E.60.
Register Number of cycles with utilised capacity
610 0-30% of the programmed battery capacity
620 31-50% of the programmed battery capacity
630 51-70% of the programmed battery capacity
640 71-90% of the programmed battery capacity
650 over 90 % of the programmed battery capacity
Register Function
660 Total recharged Ah
670 Total recharged Ah × 65535
760 Number of charges shutdown due to too long time
over 2.37 V/cell
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