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15 Display of charged-in / discharged capacity
During the charge process the charged-in capacity is continuously
updated and displayed directly on the screen. During the discharge
process the same applies to the capacity discharged from the batte-
ry. After the conclusion of the process the capacity of the last com-
pleted action can be read off on the screen; with the exception of the
Discharge process this will always be the charged-in capacity.
For example, to check the capacity discharged from the battery during
the "Test" function, select the desired charge channel and halt the
function at the "Chan-Menu".
The graphic area of the screen now displays a "Resume?" message.
Confirm this by pressing the "OK / Menu" button, and the screen
displays the capacity discharged from the battery (Fig. 33).
In the "Cycle" and "Form" functions the charger stores the measured capacities from the first, second
and last cycles, and these can then be called up using the jog dial. It is also possible to check the
already stored capacity values while the process is running: select the desired channel, and "Stop?"
is displayed in the Channel menu; now press the right-arrow button or turn the jog dial to the right by
one click. The screen displays the message "Resume?"; press the "OK / Menu" button to confirm,
and the screen will display the capacity discharged from the battery. You can now also check the other
discharged capacities in the "Cycle" and "Form" functions using the jog dial.
16 Reading out the data logger on-screen
The "ChargeProfessional" PC software is available as a convenient
means of reading out the data logger. All the data stored in the ALC
8500-2 Expert's flash data memory can also be displayed directly on
the screen. When a process is concluded, the "DF-Read?" (Dataflash
read) function is available in addition to "Resume?"; this is used to
display the discharged capacities.
Press the "OK / Menu" button to confirm your choice, and the indivi-
dual measured values are displayed: the upper part of the screen
shows the battery voltage, the current and the capacity recorded up
to that moment. Use the jog dial to cycle through the individual measu-
red values, or use the arrow buttons to leaf through in increments of
one hundred (Fig. 34). During the intervals of discharge / charge pro-
cesses data continues to be recorded at 5-second intervals. During these intervals no current values
are present, and this is indicated with a letter "P" (pause). Any missed measured values are always
marked with a letter "M".
If you leave the menu, the stored values are no longer available on-screen. The data logger can be
read out via the USB interface, but only as long as no changes are made on the appropriate charge
channel. The flash data memory is erased as soon as changes are made to that charge channel, or
you initiate a new process.
17 Reading out the data logger via the USB interface
The contents of the data logger can be transferred to a PC via the USB port located on the back
panel. This is carried out using the "ChargeProfessional" software, as mentioned earlier.
54
Fig. 33: Display of
discharged capacity
Fig. 34: Reading out the flash
data memory
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