Setting Project-Specific Parameters; Setting The Remote Shutdown; Deactivating The "Fully Hermetic" Transformer Protection; Setting The String Current Monitoring - SMA SUNNY CENTRAL 500CP XT User Manual

SMA Solar Technology AG
Procedure:
1. Call up the parameter overview (see Section 9.3.1, page 78).
2. Set the parameter TrfVolExlHi.
3. Set the parameter VRtg.
4. Save the parameter changes (see Section 9.3.2, page 78).
4.6.9

Setting Project-Specific Parameters

4.6.9.1

Setting the Remote Shutdown

1. Call up the parameter overview (see Section 9.3.1, page 78).
2. To activate remote shutdown, set the parameter ExlStrStpEna to On (see Section 10.2.1.2, page 85).
3. To deactivate remote shutdown, set the parameter ExlStrStpEna to Off (see Section 10.2.1.2, page 85).
4. Save the parameter changes (see Section 9.3.2, page 78).
4.6.9.2

Deactivating the "Fully Hermetic" Transformer Protection

1. Call up the parameter overview (see Section 9.3.1, page 78).
2. Set the parameter ExlTrfErrEna to Off (see Section 10.2.2.2 "Transformer Protection", page 85)
3. Save the parameter changes (see Section 9.3.2, page 78).

4.6.10 Setting the String Current Monitoring

4.6.10.1 Detecting the Sunny Central String-Monitor Controller and the Inverter
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 value 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 devices have been detected.
4.6.10.2 Setting the Date and Time of the Sunny Central String-Monitor Controller
1. Log into the user interface (see Section 9.4.1, page 78).
2. Select Data > Devices.
3. Select .
☑ A list of the existing device types appears.
4. Select Sunny Central String-Monitor Controller.
5. Select the tab Instantaneous values.
6. Make sure that the date SysDt and time SysTm of the Sunny Central String-Monitor Controller are correct.
If the settings are incorrect, change the parameters Dt and Tm .
4.6.10.3 Detecting the Sunny String-Monitors via the Sunny Central String-
Monitor Controller
It may take several minutes to detect the Sunny String-Monitors, depending on the number of devices and how far
apart they are.
Procedure:
1. Log into the user interface (see Section 9.4.1, page 78).
User Manual
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