Displaying The Equipment Status Using The Remote Control Rcc-02/-03; Displaying The Status Of A Single Unit System - Studer VarioTrack VT-40 User Manual

Studer Innotec SA
VarioTrack
The automatic mode measures the battery
voltage upon connection of the equipment
and sets the system rated voltage:
If Vbatt < 17V
If 17V < Vbatt < 34V
If 34V < Vbatt
This automatic detection is correct in most cases. But the connection of a much discharged battery
may lead to an error in the automatic voltage selection. For example, the connection of a highly
discharged 24V (16V) battery will select automatically a voltage of 12V which prevents to recharge
the battery. This is the reason why it is advisable to set manually the system voltage either using the
DIP switches (see table above), either using the RCC remote control.
Settings defined by the position of the DIP switches may be inhibited (disabled) with parameter
{10054} using the remote control RCC-02/03. The VarioTrack operation will then be defined only by
the parameter values set by default or by the RCC remote control.
When several VarioTracks are interconnected (communication) and linked to the same
battery, differences in production (power) are normal, especially in the following cases:
• The units are in voltage regulation phase (absorption, equalization, floating), and in
this case the current distribution may be very uneven. This situation is normal and has
no influence on the system efficiency.
• The equipment is in a bulk phase; in this case the difference is due to the difference
in size, orientation, cleanness, shade or any other situation that may influence the
production capacity of the solar generator. This situation may require the generator
to be checked in order to clear/remedy the possible fault.
8.2 D
ISPLAYING THE EQUIPMENT STATUS USING THE REMOTE CONTROL

8.2.1 Displaying the status of a single unit system

The VarioTrack screen allows displaying six values in real time. Four
values (a) can be chosen among many measured and calculated
values indicated in the table below and two show the status of the
auxiliary contacts (b) (these fields are visible even if an ARM-02 is not
present).
8.2.1.1 Choosing the displayed values
To choose which values to display, press the SET button to enter the first field which will appear in
reverse video.
To modify the field content, use the SET button; then by using the arrows, consult the various
displayable values and select them as permanently displayable values in the related field by
validating with the SET button.
When no other value than the one initially displayed in the field is selected, ESC key validates the
initial choice.
The four fields can be scrolled and modified any time to display four of the values indicated in the
table below.
Nr Name
11000 Ubat
11001 Ibat
11002* Upv
11004 Psol
11005 Tbat
11006 Cd
11007 Ed
26
→ 12V system
→ 24V system
→ 48V system
Unit VarioTrack information description
Vdc Battery voltage
Adc Battery current
Vdc Voltage of the PV generator
kW Power of the PV generator
°C Battery temperature
Ah Production in (Ah) for the current day
kWh Production in (kWh) for the current day
V 4.0
Pos.no. 7 Pos. no. 8
OFF OFF
OFF ON
ON OFF
ON ON
b
Battery voltage
Automatic selection
12V
24V
48V
RCC-02/-03
a
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