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4 Product Description SMA Solar Technology AG

12 ClusterController-IA-en-10 Installation Manual

4 Product Description

4.1 Cluster Controller

The Cluster Controller is a device for monitoring and controlling up to 75 SMA inverters in

decentralised large-scale PV plants. For this purpose, the Cluster Controller performs the following

essential tasks:

• Reading out, provision and administration of plant data

• Configuring device parameters

• Implementation and feedback of network operator setpoints for active power limitation and

reactive power operation under grid management

• Sending e-mail alerts in the event of critical plant statuses

• Sending the plant 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

Item Designation

ALEDs

BConnection areas

C Button field

DDisplay

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