2 setting the communication type of the pv plant, 1 setting sma-com, Setting the communication type of the pv plant – SMA SUNNY WEBBOX User Manual
Page 56: Setting sma-com

Settings
SMA Solar Technology AG / SMA America, LLC
56
SWebBox-BA-en-36
User Manual
10.2 Setting the Communication Type of the PV Plant
1. Select "Plant > Settings" in the user interface.
2. Select the device communication method in the "Interface" field.
3. If "SMA-COM" is selected, click [Save] and continue with Section 10.2.1 "Setting SMA-COM"
(page 56).
or
If "ETHERNET" is selected, click [Save] and continue with Section 10.2.2 "Setting ETHERNET"
(page 57).
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 type of communication.
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:
"SMA-COM"
• All Sunny Boy devices
• All Sunny Mini Central devices
• All Sunny Island devices
• All Sunny Backup devices
• Sunny SensorBox
• Sunny Central (US version only)
"ETHERNET"
• All Sunny Central devices (excluding US version)
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 OCU 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 OCU 8.22