Connection Options ..................................................................................................... 22
Additional Insulation for Data Communication Cables ................................................. 22
Configuration example ................................................................................................. 23
Safety........................................................................................................................... 23
DCD DF ....................................................................................................................... 24
25 DCD DF .................................................................................................................. 25
General ........................................................................................................................ 27
Functional principle ...................................................................................................... 27
Safety........................................................................................................................... 27
General ........................................................................................................................ 30
Safety........................................................................................................................... 30
Connecting an External Power Supply ........................................................................ 30
Setting the Address .......................................................................................................... 32
Safety........................................................................................................................... 32
General ........................................................................................................................ 32
DCD DF ........................................................................................................................... 33
Safety........................................................................................................................... 33
Settings ............................................................................................................................ 34
General ........................................................................................................................ 34
Initial Steps .................................................................................................................. 34
Possible Settings for the Fronius String Control 250/25 DCD DF ................................ 34
Max. Energy Deviation ................................................................................................. 35
Threshold ..................................................................................................................... 35
Data Display ................................................................................................................ 36
Status Messages ......................................................................................................... 36
Safety........................................................................................................................... 37
Status diagnosis and troubleshooting .......................................................................... 37
Replacing String Fuses .................................................................................................... 38
Safety........................................................................................................................... 38
Preparation .................................................................................................................. 38
Replacing String Fuses ................................................................................................ 38
Finally... ........................................................................................................................ 39
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