SMA Solar Technology AG 4 Product Description
Installation Manual ClusterController-IA-en-10 13
Reading out, Provision and Administration of Plant Data
The Cluster Controller is the central communication unit for the plant and continuously reads out the
data of the devices in the plant (e.g. inverters, sensors). The Cluster Controller then makes this plant
data available via the display, user interface and Modbus
®
* data interface. In addition, the plant
data can be displayed, evaluated and managed using Sunny Portal (see the Cluster Controller user
manual and the user manual of the Cluster Controller in Sunny Portal).
Configuring Device Parameters
You can configure specific parameters of individual devices or entire device classes via the user
interface of the Cluster Controller. For this purpose, you must be logged into the Installer user group
on the Cluster Controller. The device parameters that can be configured, if any, depend on the device
and the rights of the user group. You may only change grid-sensitive device parameters
(SMA Grid Guard parameters) with the approval of the network operator and using your personal
SMA Grid Guard code (see the Cluster Controller user manual).
Sending E-Mail Alerts in the Event of Critical Plant Statuses
You have the option of receiving prompt information on critical plant statuses via e-mail (see the
Cluster Controller user manual). The Cluster Controller automatically sends a notification if
alert-related events occur in the plant.
Implementation and Feedback of Network Operator Setpoints for Active Power
Limitation and Reactive Power Operation under Grid Management
With the Cluster Controller, you can implement different network operator setpoints for the active
power limitation and the reactive power operation of your plant under grid management. Your
network operator transmits the setpoints directly to the Cluster Controller, either in the form of digital
or analogue signals (e.g. to a ripple control receiver that is connected to the Cluster Controller) or via
the Modbus client. In agreement with your network operator, you can use the user interface of the
Cluster Controller to configure which setpoints of the Cluster Controller are to be transmitted to the
connected inverters depending on the respective signal. In addition, you have the option of using a
digital response contact or an analogue current output signal to inform the network operator of the
setpoints (if any) for the active power limitation and the reactive power operation that are currently
being transmitted to the plant.
Sending the Plant Data to an FTP Server and/or the Sunny Portal Internet Portal
The Cluster Controller can automatically send the plant data that has been read out to an arbitrary
FTP server and/or the Sunny Portal Internet portal via the Internet. The Cluster Controller establishes
the connection to the FTP server and/or the Sunny Portal e.g. via a router.
*Modbus
®
is a registered trademark of Schneider Electric and is licensed through Modbus Organization, Inc.
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