Function Settings

You can enter the function setting interface by clicking the setting icon in the upper right corner of the system information interface. Depending on different system models, the contents that can be set vary , this manual explains a few common function settings.

Charging/Discharging Settings

The main function of the charging/discharging setting is to set the charging and discharging time periods for on-grid systems. If you turn on “Charge Batteries from the Grid” and set the charging period, it implies that, during this designated time frame, the batteries will be automatically charged. They cannot discharge during this period, and the charging power will prioritize PV power. In cases where PV power is insufficient, the charging power will be sourced from the grid. Outside of this time period, the system will operate in self-consumption mode. During the specified time period, the battery will cease charging once the State of Charge (SOC) reaches the configured value. If you activate the “Battery Discharge Time Control” function and set the discharging period, it means that solely during this set period, the batteries can discharge exclusively to the loads and not to the grid. PV power will initially supply the loads, and any surplus will charge the battery. Outside of this time period, the battery can only be charged and cannot discharge. The battery will stop discharging until the SOC reaches the specified SOC value.

Backup Box Settings

The Backup Box page is to set the priority of each load circuit if load management is enabled.

AUX Contact Settings

The AUX contact function is currently only available for the SMILE series systems.

Select “AUX contact 1” or “AUX contact 2” in the “AUX Contact Setting” .
Set “Enable” if the function for the chosen channel is available.
Set the control mode.

There are three modes: “ON”, “OFF” and “Auto” .

Control mode “ON”

When the Control Mode ON is selected, the normally open contact will be closed during the set time period. Outside the time period, the normally open contact will stay open.

If you don’t set the period, this function doesn’t work.

If the two time periods overlap, only the first period will be active. In this mode, the normal self-consumption logic will be executed.

Control mode “OFF”

When Control Mode OFF is selected, the normally closed contact will open during the set time period. Outside the time period, the normally closed contact will stay closed. If you don’t set the period, this function doesn’t work.

If the two time periods overlap, only the first period will be active. In this mode the normal self-consumption logic will be executed.

Control mode “Auto”

When Control Mode AUTO is selected, normally open and normally closed contact will be triggered according to the settings below.

When UPS mode is on, it is not possible to set any values.When the UPS is off, you can set the SOC threshold, the grid power on and off conditions, the waiting time, the duration and the pause time.Under Auto Mode, the period control function doesn’t work and the following further specifications should be set:

Set the status of the SOC. There are three modes available:

“ ≥” means when SOC ≥ given value, it works.
“ ≤” means when SOC ≤ given value, it works.
“Disable” means the AUX contact control is not related to the SOC value.

Set surplus energy range (feed-in power range).

Set the feed-in power values, see figure below. When the feed-in power > given value, the AUX contact will be switched on.
When the feed-in power < given value, the Aux contact will be switched off (or back to the initial situation).

Set the delay, duration and pause time to prevent too frequently switching on and off.

Delay time refers to the opening/closing action after the set delay time period.
Duration time refers to the prohibition of the disconnecting action within the set duration time period after the AUX contact is close.
Pause time refers to the prohibition of the closing action within the set pause time period after the AUX contact is disconnected.

Other Settings

Meter Setting: The selection and scale configuration of meter CT is based on the type of meter installed in the system.

Max. Feed-in Factor (%)
Work Mode (AC/DC/Hybrid)
Meter Phase
Data Upload Frequency (s)
On-Grid PV Capacity (kWp)
Storage PV Capacity (kWp)

Generator Control

The diesel generator’s rated power and frequency settings remain unaffected by the generator’s status. These parameters can be configured even when the diesel option is turned off.The control mode and output mode settings can only be adjusted when the generator option is switched on:

In the control mode, you can set SOC control, time control, or manual control.
In the output mode, you can set battery charge power mode or diesel rated power mode.