SMA Sunny Boy Control - Manual (Page 147)

Sunny Boy Control
SMA Technologie AG
User Manual SUNBC - 14 : NE0206 143
Checking Communication With the Inverter
With the function “Diagnostics…Communication”, you can analyze transmission
failures between individual devices and the Sunny Boy Control. Press
[ ENTER ] to
select the device to be analyzed.
[COMMUNICATION ]
01: WR700-08 Device ID: device model
02: WR700-08
03: WR700-07 Š
04: WR700-07
Fig. 9.13: Device selection screen
The Sunny Boy Control starts sending data inquiries to the selected device and con-
tinuously evaluates the transmission quality.
[02:COMMUNICAT.] Device ID: communication
‡OK… 99% Percentage of correctly transmitted data packets
Packets… 10233
Errors… 123Š
Level…………1000mV Signal level for Powerline communication
Fig. 9.14: Communication test
The continuously displayed information comprises the percentage of correctly trans-
mitted packages (based on the last 20 data packets), the number of requested data
packets, the number of errors, and the signal level.