Sma Sunny Boy Control User Manual Page 60

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Sunny Boy Control SMA Technologie AG
User Manual SUNBC-14:NE0206 56
” evaluates the communication quality for the entire day. At least 100
data packets are required. The evaluation takes place at the end of the day. In case
of a failure, the error message “” is generated.
Access Details

Device ID: access

Max. timespan during which a device cannot be accessed Section 6.2.4

Has not been accessed for

Operation time today



Date & time of last access made to the device
Fig. 5.5: Access details from diagnostic report
If the “” timespan (time since the device was last accessed during operation)
exceeds the maximum amount set in the menu “” (in
other words, there is a communication failure), the “” warning message is
activated.
” shows the operating time (availability) of the device since 12 a.m. (0:00).
If a device cannot be contacted for a whole day (total communication failure), the
error message “” will be displayed.
Yield Details

Device ID: yield

Expected E-Ratio (refer to section 6.2.4)

Percentage ratio between E-Yesterday and E-Average (see below)



Energy yield of the device


Average energy yield of a comparable device in the system
Fig. 5.6: Yield details from diagnostic report
” refers to the maximum error tolerance set under “” in
” (refer to section 6.2.4).
” is derived from the values for “” (previous-day energy
yield of the device) and “” (previous-day mean energy yield of a compa-
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