SMA CLUSTER CONTROLLER Installation - Manual (Page 15)

4 Product Description
4.1 Cluster Controller
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 2: Design of the Cluster Controller
Position Designation
A LEDs
B Connection areas
C Keypad
D Display
4 Product Description SMA Solar Technology AG / SMA America, LLC
Installation Manual 15 ClusterController-IA-en-14