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Requirements for USB data carriers:
☐ Maximum storage capacity: 2 TB
☐ Supported file systems: FAT 16 or FAT 32
Use of USB hard disks with external power supply is recommended
In the case of USB hard disks with power supply via the USB interface, malfunctions can occur
if the connected USB hard disk temporarily has a greater electricity demand than that
provided for by the USB 2.0 standard.
• To avoid malfunctions as a result of excessive power demand when using USB hard
disks, use only USB hard disks with external power supply.
Archival periods:
Depending on the available storage capacity of the USB data carrier and the configuration of your
system, the following approximate archival periods for the system data are possible:
Number of connected invert-
ers
Approximate archival period
4 GB storage capacity
8 GB storage capacity
5
10 years
20 years
10
5 years
10 years
25
2 years
4 years
50
1 year
2 years
75
9 months
18 months
Procedure:
1. To protect the USB data carrier against loss, attach the USB data carrier to the eyelets located
on the underside of the USB port, for example with a loop attached to the USB data carrier.
2. Connect the USB data carrier to the desired USB port:
• To export system data, connect the USB data carrier to USB port
1
.
• To transfer update files to the Cluster Controller, connect the USB data carrier to USB port
2
.
3. If the USB data carrier is permanently inserted into the Cluster Controller, note the terminal
assignment on the supplied supplementary sheet.
4. If the USB data carrier is to be removed from the Cluster Controller, wait until the data carrier
status LED (
) stops flashing.
6.11 Connecting Sensors to the Cluster Controller
6.11.1 Connecting the Temperature Sensor
You can connect one outside temperature sensor and one module temperature sensor to the
Cluster Controller. The measured values from the temperature sensors are shown on the display
and the user interface of the Cluster Controller and transmitted to Sunny Portal. In Sunny Portal, the
measured values from the module temperature sensor are used to calculate the performance ratio.
6 Connection and Commissioning
SMA Solar Technology AG
Installation Manual
ClusterController-IA-en-15
40
Содержание CLCON-10
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