SMA SC 500CP XT - Manual (Page 138)

Name Description Value/range Explanation Default
value
TrfVolExlLo* Line-to-line voltage on un-
dervoltage side of exter-
nal transformer 1 V to 500 V Sunny Central 500CP XT 270 V
Sunny Central 630CP XT 315 V
Sunny Central 720CP XT 324 V
Sunny Central 760CP XT 342 V
Sunny Central 800CP XT 360 V
Sunny Central 850CP XT 386 V
Sunny Central 900CP XT 405 V
* To change this parameter, you must enter the installer password.
** To view or change this parameter, you must enter the installer password.
11.2.1.4 Insulation monitoring
Name Description Value/range Explanation Default
value
IsoErrIgn* Ignore insulation error Off Deactivated Off
On Activated
Run Error is only ignored when the in-
verter is in feed-in operation.
RemMntSvc PV array grounding is
deactivated. Off Deactivated Off
On Activated
RisoCtlWarn Warning threshold for
the insulation monitoring
device iso-PV1685 0 kΩ to 500 kΩ ‒ 45 kΩ
PvVtgRisoStart Start voltage of insulation
measurement 0 V to 1,200 V Sunny Central 500CP XT 500 V
Sunny Central 630CP XT 610 V
Sunny Central 720CP XT 675 V
Sunny Central 760CP XT 715 V
Sunny Central 800CP XT 760 V
Sunny Central 850CP XT 760 V
Sunny Central 900CP XT 770 V
PvVtgRisoDif Differential voltage to
PvVtgStrLevMin for
switching from insulation
measurement to feed-in
operation −250 V to +250 V ‒ 0 V
11 Operating Data and Parameters SMA Solar Technology AG
User Manual SCCPXT-BA-E4-en-54 138