SMA CLUSTER CONTROLLER - Manual (Page 15)

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 / SMA America, LLC
User Manual 15 ClusterController-BA-en-14