SMA SUNNY CENTRAL CP XT Series - Project-Specific Parameters

11 Operating Data and Parameters
SMA Solar Technology AG
User ManualSCCPXT-E7-BA-en-58138
Name Description Value/range Explanation Default
value
PvVtgRisoDif Differential voltage to
PvVtgStrLevMin for
switching from insulation
measurement to feed-in
operation
−250Vto+250V ‒ 0V
IsoDev* Selection of insulation
monitoring device
isoPV3 ‒ isoPV3
isoPV1685 ‒
* To view or change this parameter, you must enter the installer password.
11.2.1.5 Project-Specific Parameters
Name Description Value/range Explanation Default
value
PvPwrMinTr Threshold for starting the
MPP tracker
0 kW to 20 kW ‒ 20 kW
PvPwrMinTrT Timeout for starting the
MPP tracker
1sto1,800s ‒ 600s
PvVtgStr-
LevMin*
Threshold for switching
to feed-in operation
0V to 1,200V SunnyCentral500CPXT 500V
0V to 1,200V SunnyCentral630CPXT 610V
0V to 1,200V SunnyCentral720CPXT 630V
0V to 1,200V SunnyCentral760CPXT 660V
0V to 1,200V SunnyCentral800CPXT 705V
0V to 1,200V SunnyCentral850CPXT 760V
0V to 1,200V SunnyCentral900CPXT 770V
0V to 1,200V SunnyCentral1000CPXT 770V
PVStrT Once the specified time
has elapsed, the inverter
switches from the operat-
ing state "Grid monitor-
ing" to the operating
state "Grid monitoring
time reached".
1sto655s ‒ 90s
VArGra** Gradient of reactive
power change
0%/s to 200%/s ‒ 20%/s
QoDIn-
vCurPv***
Maximum allowed re-
verse current to the PV
array
−1,600 A to 0 A ‒ −60A