SMA Solar Technology AG 6 Connection
Installation Manual ClusterController-IA-en-10 45
6.11 Connections for Grid Management
6.11.1 Options for Implementing the Network Operator Setpoints
The Cluster Controller can receive the network operator setpoints for grid management via three types
of signal. For this purpose, the type of signal can be combined, meaning for example that setpoints
for active power limitation can be received as digital signals and the setpoints for the reactive power
setpoint can be received as analogue signals.
Configure the grid management via the user interface of the Cluster Controller
(see the Cluster Controller user manual).
Type of signal Explanation
Digital signals The network operator setpoints are sent to the Cluster Controller
as digital signals in the form of binary values. For this purpose, up
to four relay contacts can be used for the active power limitation
and the reactive power setpoint.
Analogue signals The network operator setpoints are sent to the Cluster Controller
as analogue current signals. For this purpose, current signals from
0 mA to 20 mA can be sent for the active power limitation and the
reactive power setpoint, respectively.
Signal via Modbus client The network operator setpoints are sent to network terminal X13
or X14 of the Cluster Controller via a Modbus client (for
information on Modbus configuration, see the Cluster Controller
user manual).
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