Redetecting The Sunny String-Monitors Via The Sunny Central String-Monitor Controller; Detecting The Sunny String-Monitors Via The Communication Unit; Adjusting The Identification Of The Sunny String-Monitors; Changing The Communication Period - SMA SUNNY CENTRAL 500CP XT User Manual

4 Commissioning
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
Section 4.6.10.5, page 42).
If only some of the Sunny String‑Monitors have been detected, use Sunny Central String‑Monitor Controller to
redetect them (see Section 4.6.10.4, page 42).
4.6.10.4 Redetecting the Sunny String-Monitors via the Sunny Central String-
Monitor Controller
1. Log into the user interface (see Section 9.4.1, page 78).
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
Section 4.6.10.5, page 42).
If only some of the Sunny String-Monitors have been detected, contact the Service (see Section 13, page 153).

4.6.10.5 Detecting the Sunny String-Monitors via the Communication Unit

1. Log into the user interface (see Section 9.4.1, page 78).
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 Section 9.4.1, page 78).
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 Sunny String-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 Sunny Central String-Monitor Controller communicates with the
Sunny String-Monitors. The communication period is set from 10:00 a.m. to 3:00 p.m. by default.
Procedure:
1. Log into the user interface (see Section 9.4.1, page 78).
2. Select the parameter MoniTmComOn and set the start of the communication period.
42 SCCPXT-E7-BA-en-58
SMA Solar Technology AG
User Manual