Functionality and components of the equipment
Analogue inputs
External analogue sensors for monitoring the environmental conditions
(temperature, sunlight, etc.) can be connected to the inverter.
The analogue sensors are set directly from the display menus.
Congurable relay
The inverter has a congurable switching relay that can be used in vari-
ous operating conditions set in the dedicated menu. A typical application
example is the closing of the contact when an alarm occurs.
Remote switching on/off
This control can be used to switch the inverter on/off through an external
(remote) control.
This function must be enabled in the menu, and if activated, the switching
on of the inverter depends on the external switching on/off control as well
as being dictated by the presence of the normal parameters that allow
the inverter to connect to the grid.
Feeding reactive power into the grid
The inverter is able to produce reactive power and can therefore feed it
into the grid through the setting of the phase shift factor. Feed-in man-
agement can be controlled directly by the grid company through a dedi-
cated RS485 serial interface or set on the display, or through the Aurora
Manager LITE conguration software.
The feed-in management methods vary according to the country of in-
stallation and the relevant grid companies. For detailed information about
the parameters and characteristics of this function, please contact ABB
directly.
Limiting the active power fed into the grid
The inverter, if enabled and set using the display or the Aurora Manager
conguration software, can limit the amount of active power fed into the
grid by the inverter to the desired value (expressed as a percentage).
Monitoring string inputs (versions S2F / S2X only)
If enabled from the display or through the Aurora Manager LITE con-
guration software, the inverter can monitor and display the voltage and
current of each individual string input.
It also checks the status of the string fuses (both positive and negative)
and generates a warning in the event of a fault (visible on the display).
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General