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STUDER Innotec
This adjustment can be done remotely with the optional RPS-01 (see section 3.6.7).
In that case the smallest values will be taken into account.
4.6.6 Charging current
The maximum charging current for the battery can be adjusted with the turning knob
22 (CHARGER). The charging current of the battery should be set to approximately
10 – 20% of the battery capacity (at C10). This means that the charging current for a
battery with 300Ah should be set between 30 – 60A.
The charging current is displayed on POWER MONITOR (25) of the front panel
or on the remote control.
4.6.7 Battery condition
Built-in microprocessor with a specially developed algorithm calculates the actual
state of charge of the battery and displays it on LED 15 – 18. The LED 14 is lit when
the system is carrying out a charge cycle with equalization.
Notice: the exact measure of the battery state of charge with electrical parameters is
al-most impossible. The display of the state of charge is always more or less precise.
The measure system built in the COMPACT takes into account the battery voltage,
the discharge and charge current as well as the undulation of the voltage. If the
battery and the COMPACT are used according to their technical data, the battery
state of charge is displayed accurately. In the following cases of use the display can
diverge:
Battery charge or discharge with too high
currents
Battery cable cross section too small
Battery connections badly tightened or corroded
Charge of the battery with external battery
charger
Discharge of
connected to the COMPACT
Work with defective or sulphated batteries
This means that the display can, within few minutes
during the charge, commute from 25% to 75% or
during the discharge, to the opposite direction.
As many of the working cases mentioned above often occur, the measure system of
the COMPACT takes into account, during the charge, only the peaks of the voltage
undulation. As a consequence, the battery voltage at the start of the absorption
stage, measured by a voltmeter will appear deeper. By decrease of the charge
current the voltage will reach the exact values.
For safety reasons, you must get the recommended charge voltage and charge
currents from your battery supplier. The voltage levels and charge characteristics can
be changed through programming. The instruction for programming of battery
charger is in the section "Programming" (Chap. 5.3). The correct charging is
mandatory for a safe function and a long-life of the battery.
The battery charger functions are described by the graphic in chap. 4.6.1.
4.7
The transfer system
When an AC voltage is at the input AC IN of the COMPACT, the LED 1 AC IN is lit.
When this voltage matches the lowest adjusted value set by the Turning Knob 23
TRANSFER, and the frequency is between 44Hz and 65Hz, this voltage is switched
directly to the battery charger and to the output AC OUT. The LED 7 TRANSFER is
the battery with users not
COMPACT V6.9.0
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