4 Commissioning
SMA Solar Technology AG
User ManualSCCPXT-E7-BA-en-5842
2. Select the tab Parameters.
3. Set the parameter DevFunc to AutoDetect_SSMU.
4. Select the button [Save].
5. Select the tab Instantaneous values.
6. Select SSMUNoOf and check the number of detected Sunny String-Monitors.
Once all Sunny String-Monitors have been detected, detect them via the communication unit(see
Section4.6.10.5, page42).
If only some of the SunnyString‑Monitors have been detected, use SunnyCentralString‑MonitorController to
redetect them (see Section4.6.10.4, page42).
4.6.10.4 Redetecting the SunnyString-Monitors via the SunnyCentralString-
MonitorController
1. Log into the user interface (see Section9.4.1, page78).
2. Select the tab Parameters.
3. Set the parameter DevFunc to Retry.
4. Select the button [Save].
5. Select the tab Instantaneous values.
6. Select SSMUNoOf and check the number of detected Sunny String-Monitors.
Once all Sunny String-Monitors have been detected, detect them via the communication unit(see
Section4.6.10.5, page42).
If only some of the SunnyString-Monitors have been detected, contact the Service (see Section13, page153).
4.6.10.5 Detecting the Sunny String-Monitors via the Communication Unit
1. Log into the user interface (see Section9.4.1, page78).
2. Select Data > Detection.
3. In the field Total number of devices to be detected, enter the number of Sunny String-Monitors +2.
4. Select the button [Start detection].
☑ The communication unit starts detecting all inverters and displays its progress. Once all devices have been
detected, the message ### Device detection finished ### is displayed.
☑ The Sunny String-Monitors have been detected.
4.6.10.6 Adjusting the Identification of the Sunny String-Monitors
1. Log into the user interface (see Section9.4.1, page78).
2. Select the first Sunny String-Monitor from the device list.
3. Select the tab Parameters.
4. Select the parameter SSMId and allocate a unique identification number to the SunnyString-Monitor. Note the
identification number.
5. Adjust the identification of the remaining Sunny String-Monitors using the same process.
4.6.10.7 Changing the Communication Period
The communication period is the time for which the SunnyCentralString-MonitorController communicates with the
SunnyString-Monitors. The communication period is set from 10:00a.m. to 3:00p.m. by default.
Procedure:
1. Log into the user interface (see Section9.4.1, page78).
2. Select the parameter MoniTmComOn and set the start of the communication period.