11 Operating Data and Parameters
SMA Solar Technology AG
User Manual 139SCCPXT-E7-BA-en-58
Name Description Value/range Explanation Default
value
MppFact Ratio between maximum
power P
MPP
of the PV cell
at the maximum power
point and the product of
open-circuit voltage V
OC
and short-circuit current
I
SC
0.5 … 1 ‒ 0.8
Serial Num-
ber***
Inverter serial number 0 … 2147483647 ‒ 0
CntrySet* Selection of country set-
tings
Country-specific Parameter can only be changed
in the operating state "Stop".
Country-
specific
CardFunc* MMC/SD memory card
function
ForcedWrite Eject SD memory card 0
StoFailStt Write fault memory to SD mem-
ory card
DtSet Date 20060101 …
20991231
yyyymmdd 0
TmSet Time 0 … 235959 hhmmss 0
TmZn Time zone GMT ‒12:00 to
GMT 12:00
Configurable time zones Country-
specific
ExtSolIrrOfs Offset of the external ir-
radiation sensor
−5,000 … 5,000 ‒ 0
ExtSolIrrGain Amplification of external
irradiation sensor
−1,000 … 1,000 ‒ 1
CntRs* Meter reset h-Cnt Operating hours meter ‒
E-Cnt Energy meter
CntFanHs All fan runtime meters
CntFanCab1 Run time counter of interior fan1
CntFanCab2 Run time counter of interior fan2
CntFanCab3 Run time counter of interior fan3
CntHtCab2 Run time counter of internal heat-
ing element
Ofs_h-On** Offset for operating
hours
0 h to 2,147,482 h ‒ 0h
Ofs_h-Total** Offset for feed-in hours 0 h to 2,147,482 h ‒ 0h
Ofs_E-Total** Offset for total supplied
energy
0 kWh to
214,748,267 kWh
‒ 0kWh