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7. Screens

Screens

7. Screens

You can switch between different screens by pressing the up or down arrow buttons. There will be a separate screen for

each battery with at least one connected current sensor (shunt). Multiple batteries without a current sensor (measuring

voltage only) may join on a single screen.

Up to four tanks and four thermometers will join on a single screen. If there are more, they will divide into two

or more screens. There is also a separate barograph screen on PICO.

7.1

Batteries screen

Screens for showing battery data differ depending on how many current sensors are connected to a certain battery. If the

battery connects only to a voltage sensor (without a current sensor), the battery name, approximate state-of-charge (SOC)

and current-voltage are displayed.

The calculation of SOC takes some time, so it may not be shown immediately after power-on.

Up to three batteries without a current sensor can be shown on a single screen. If there are more, they divide into two or

more screens.

If the battery is connected to a voltage sensor and a current sensor (shunt), some additional data is displayed: time to

charge/time to discharge, current (amps) and voltage.

Monitoring a battery with a shunt, gives you the highest possible precision. For lithium batteries using a shunt is

mandatory.

Time to discharge is calculated by using an average consumption during a period of time. If there is more than one current

sensor (shunt) connected to the battery (e.g., for monitoring different consumers or generators, connected to the battery),

their data (amps) is also shown on the battery page.

PICO’s algorithm for calculating state-of-charge (SOC) is not

a simple Ah-counter. It is constantly monitoring battery current, voltage, and temperature. The data is

compared to the internal battery model, and its parameters are constantly being adjusted so that the model

fits the actual data. The algorithm needs some time to adjust the parameters, and it will improve accuracy

during the first few cycles.

SIMARINE PICO User Manual

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