SMA SC 500HE-20 - Manual (Page 35)

SMA Solar Technology AG 5 SC-COM Communication
Operating Manual SCxxxHE-20-BE-BEN111210 35
5.3 Setting Up the Sunny Central String-Monitor Controller
5.3.1 Setting the Parameters for String Current Monitoring in the
PV Plant
To configure string current monitoring in your PV plant, the following steps must be performed in order:
• Detect the Sunny Central String-Monitor Controller and the Sunny Central
• Set the Date and Time
• Detect Sunny String-Monitors via the Sunny Central String-Monitor Controller
• Redetect Sunny String-Monitors via the Sunny Central String-Monitor Controller
• Detect the String-Monitors via SC-COM
• Change how Sunny String-Monitors are identified
Detecting the Sunny Central String-Monitor Controller and the Sunny Central
1. Access the SC-COM interface.
2. Enter the installer password in the appropriate field on the homepage and press [Login].
3. Locate the Sunny Central and the Sunny Central String-Monitor Controller:
– Select Data > Detect.
– In the "Total number of devices to be detected" field, enter 2.
– Select [Start detection].
☑ The SC-COM starts detecting all devices and displays its progress. Once all devices have
been detected, the SC-COM displays "### Device detection finished ###".
☑ The devices are detected.
Setting the Date and Time
1. Select Data > Devices.
2. Select
.
☑ A list of existing device types appears.
3. Select Sunny Central String-Monitor Controller.
4. Select the "Spot values" tab.
5. Make sure the date "SysDt" and time "SysTm" of the Sunny Central String-Monitor Controller are
correct.
6. If the settings are incorrect, change the "Dt" and "Tm" parameters (see section 5.2 "Changing
Parameters", page 34).