SMA SUNNY CENTRAL STRING-MONITOR US Technical Description page 71

SMA Solar Technology AG
☑ Adjustment of the parameters of the Sunny Central String-Monitor Controller is now
complete.
Detecting the Sunny Central String-Monitors via the Sunny Central String-Monitor
Controller
13. Set parameter "DevFunc" to "AutoDetect_SSMU".
14. Select [Save].
☑ The Sunny Central String-Monitor Controller starts with the detection of all the Sunny Central
String-Monitors.
Detecting the Sunny Central String-Monitors can take several minutes.
Depending on the number and distance of devices from each other, the duration of the
detection process can differ.
15. Select the tab "Spot values".
16. Check the number of Sunny Central String-Monitors detected in the spot value for
"SSMUNoOf".
☑ Detection of the Sunny Central String-Monitors by the Sunny Central String-Monitor
Controller is now complete.
or
If the Sunny Central String-Monitor Controller has not detected all the Sunny Central String-
Monitors, restart the detection process.
17. Set parameter "DevFunc" to "DetectSSMURetry".
18. Select [Save].
☑ The Sunny Central String-Monitor Controller starts over with the detection of all the Sunny
Central String-Monitors.
Detection of the entire system by the Sunny WebBox
The Sunny WebBox must detect the entire system, i.e., the Sunny Central, the Sunny Central String-
Monitor Controller and the Sunny Central String-Monitors.
19. Detect the Sunny Central String-Monitor Controller and the Sunny Central, as described in the
instructions to the Sunny WebBox. Set the following values:
– "Total number of communication units": spot value reading "SSMUNoOf" + 2 more devices
(Sunny Central and Sunny Central String-Monitor Controller).
☑ Detection of the Sunny Central String-Monitors, the Sunny Central and the Sunny Central
String-Monitor Controller is now complete. The Sunny WebBox now displays the Sunny
Central String-Monitors in the device view.
Adjusting the group allocation of the Sunny Central String-Monitors
20. Select the Sunny Central String-Monitor "SSM-US" in the device view.
21. Select the "Parameters" tab.
Technical Description
Operation of the Sunny Central String-Monitor
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