Download Technical Description - SMA Cluster Controller Modbus® Interface

SMA Solar Technology AG
Information on this Document
Abbreviations
Abbreviation
Designation
Explanation
GFDI
Ground-Fault Detection and
Interruption
Detection of the grounding error and subsequent interruption of the electric circuit.
PMAX
Set active power limit
The device can generate active power up to
this limit.
Power Balancer -
The Power Balancer is a function in Sunny
Mini Central devices for controlling threephase grid feed-in, for example, to avoid
unbalanced loads.
SMA fieldbus
-
Hardware interface for communication between SMA devices (e.g. Speedwire). For
information on the supported communication
interfaces, refer to the datasheet of the SMA
device being used.
SUSy-ID
SMA Update System-ID
Numeric value that identifies a specific SMA
device type, e.g.
128 = STP nn000TL-10.
Technical Description
ClusterController_Modbus-TB-en-15
7