User Manual 2 Product Description
The Data Logger can perform active power control and reactive power regulation on the
inverter connected to it.
Local Power Control
The Data Logger can receive and perform local dispatching instructions, including delivering
fixed value, energy meter closed-loop dispatching, etc.
Fast Dispatch
The Data Logger can accept and execute fast active and reactive dispatching instructions,
including remote Goose instructions, to achieve reactive power control within 30ms.
IV Curve Online Diagnosis
The Data Logger can perform I-V curve scanning on inverters developed by SUNGROW,
and users can view scanning result via iSolarCloud, Insight or iSolarSuite. For detailed
description of the I-V curve scanning, refer to the manual of iSolarCloud, Insight or
iSolarSuite.
Built-in MPLC
The Data Logger has a built-in MPLC-H (Broadband Power Line Carrier Communication),
which can be directly connected to the string inverter with MPLC function produced by
SUNGROW.
2.2 Networking Application
The Data Logger can be applied to various networking scenarios. It can be connected to
the inverter, transformer, Meteo Station, and energy meter in the PV system via RS485 bus,
or connected to SUNGROW string inverter equipped with MPLC communication function
through MPLC bus.
• The Data Logger can transmit the collected device data to the background plant
controller, such as Insight and SCADA, through the core switch.
• The Data Logger can also transmit the collected device data directly to iSolarCloud
through the 4G router.
Connected to background plant controller through a core switch
The following figures shows how the Data Logger is connected to the Insight or SCADA
through a core switch.
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