SMA CLUSTER CONTROLLER - Product Description; 3.1 Cluster Controller Features

3 Product Description
3.1 ClusterController
3.1.1 Functions
The ClusterController is a device for monitoring and controlling SMAinverters with Speedwire/
Webconnect interfaces in decentralized PV systems and large-scale PV power plants.
The ClusterController primarily performs the following tasks:
• Set-up of the Speedwire network
• Reading out, provision and administration of PV system data
• Configuring device parameters
• Feedback on current total active power of the system
• Implementation and feedback of grid operator setpoints for active power limitation and
reactive power operation under grid management services
• Implementation and feedback of setpoints for active power limitation when PV electricity is
directly marketed
• Sending e-mail alarms in the event of critical system statuses
• Sending the system data to an FTP server and/or the SunnyPortal Internet portal
• Performing updates for the ClusterController and the inverters
Figure 1: Design of the ClusterController
Position Designation
A LEDs
B Connection areas
C Keypad
D Display
3 Product Description
SMA Solar Technology AG
User ManualClusterController-BA-en-1512