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2 changing parameters – SMA SC 500U Installation User Manual

Page 68

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SMA Solar Technology AG

68

SC500U-IUS093411

Installation Guide

12.2 Changing Parameters

The changing of the parameters itself is described in the Sunny Central’s User Manual.

ParaSto

–––, Set1, Set2

–––

Saving parameter on SD card.

Plimit

0 ... 1000 kW

500 kW

Upper limit for AC output power
This parameter cannot be changed.

Pmax

0 ... 500 kW

500 kW

Output limit of the Sunny Central
Changing the parameter can reduce the
output power of the Sunny Central.

PVPwrMinTr

0 ... 1200 kW

10 kW

MPP tracking
If the output exceeds the value
PVPwrMinTr, the Sunny Central will wait
for a period of time set in PVPwrMinTrT
before it begins to seek the Maximum
Power Point.

PVPwrMinTrT

1 ... 1800 s

600 s

PVStrT

1 ... 1800 s

90 s

Initial voltage of the Sunny Central.
If the voltage increases over the value set
at PVVtgStr, the Sunny Central will start
after waiting for a period of time set at
PVStrT.

PVVtgStr

0 ... 1200 V

400 V

Serial Number

Serial number of the Sunny Central.
This parameter cannot be changed.

SpntGnMod

Sunny Central operation with a
generator.
These parameters are for operation with
a generator. Contact SMA America if
you have questions regarding the
operation of the Sunny Central with a
generator.

SpntGnPwrMin

SpntRemEna

---, Off, On

On

Shutting down the Sunny Central.
With these parameters the Sunny Central
can be shut down remotely.

Tm

hhmmss

Current Time.
Here you can set the current time.

Parameter name Range

Default

Parameter Description