SMA America, LLC
Settings
User Manual
SWebBox-BUS-eng-111033
61
10.2.1 Setting SMA-COM
If the devices of your PV plant are to communicate with the Sunny WebBox via SMA-COM, you must
configure this communication method.
1. Select "Plant > Settings" in the user interface.
2. Select the data protocol of the devices in the "Transfer protocol" field. The following selections
are possible for the listed inverter types:
3. Select the inverter baud rate in the "Baud rate" field (not if "Ethernet" is set as the communication
method).
4. Select [Save].
☑ The PV plant communication has been set.
Data transmission protocols
SMA inverters use proprietary protocols for data transmission.
The inverters have been using the data protocol "SMA-NET" since the year 2000. Older
inverters use the data protocol "SUNNY-NET". The SMA-NET and SUNNY-NET data
protocols cannot be used together in a PV plant.
"SMA-NET"
• Sunny Boys of type SWR, version OCP 8.22, or later
• All Sunny Boys of type SB
• All Sunny Mini Central devices
• All Sunny Island devices
• All Sunny Central devices
• Sunny SensorBox
"SUNNY-NET"
• Sunny Boys of type SWR prior to version OCP 8.22
Default baud rate
If not all devices operate with the typical SMA baud rate setting of 1 200 baud,
communication problems may occur. Change the baud rate to 1 200 baud, if necessary.
Only change the baud rate from 1 200 baud when absolutely necessary.
"1200"
All SMA devices
"9600"
Reserved for future developments
"19200"
Reserved for future developments
Содержание SUNNY WEBBOX with Bluetooth
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