SMA STP 50-40 Operating Manual page 86

8 Operation
Settings via device parameters
In the following table, you will find all parameters that are needed to activate and set the string-
failure detection.
Object name Parameter
Operation.StrFlt- Operating mode of
Det.OpMod the string-failure de-
tection
Operation.StrFlt- String comparison
Det.ChGrp group for string-fail-
ure detection
Operation.StrFlt- Sensitivity of string-
Det.SnsLvl failure detection
Operation.StrFlt- Tolerance of string-
Det.Tol failure detection
Operation.StrFlt- Time until string-fail-
Det.WrnTm ure detection warn-
ing
Operation.StrFlt- Activation threshold
Det.WMinNom for string-failure
detection
Procedure:
1. Activate the user interface of the inverter.
2. Log into the user interface as an Installer.
3. Call up the menu Device parameters.
4. Click on [Edit parameters].
5. Expand the display group that contains the parameter.
6. Set the parameter.
7. Select [Save all] to save the settings.
Configuration with the help of the installation assistant
Procedure:
1. Open the user interface (see Section 8.2, page 61).
2. Log into the user interface as an Installer.
1)
Parameter can exclusively be set via the device parameters.
86 STP50-4x-BE-en-23
Display group
DC side > Operation >
String-failure detection >
General operating mode
DC side > Operation >
String-failure detection >
Comparison group
DC side > Operation >
String-failure detection >
Sensitivity of the sensors
DC side > Operation >
String-failure detection > Tol-
erance
DC side > Operation >
String-failure detection >
Time until warning
DC side > Operation >
String-failure detection >
1)
Nominal AC power
SMA Solar Technology AG
Settings
• Off
• On
• No Group (NoGrp)
• Group 1 (Grp1)
• Group 2 (Grp2)
• Group 3 (Grp3)
• Special setting (Adj)
• Low (LowMod)
• Normal (NrmMod)
• High (HiMod)
• 0% to 100%
• 5 min to 360 min
• 5% to 100%
Operating manual