Fronius String Control 250/25 DCD DF User Manual
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2
Connecting Data Communication Cables to the Fronius String Control 250/25 DCD DF 22
Connection Options ..................................................................................................... 22
Additional Insulation for Data Communication Cables ................................................. 22
Configuration example ................................................................................................. 23
Safety........................................................................................................................... 23
Connecting RJ 45 Data Communication Cables to the Fronius String Control 250/25
DCD DF ....................................................................................................................... 24
Connecting Multi-core Data Communication Cables to the Fronius String Control 250/
25 DCD DF .................................................................................................................. 25
Over-current and under-voltage shutdown ....................................................................... 27
General ........................................................................................................................ 27
Functional principle ...................................................................................................... 27
Safety........................................................................................................................... 27
Restoring the energy supply automatically .................................................................. 27
Restoring the energy supply manually ......................................................................... 28
Connecting an External Power Supply ............................................................................. 30
General ........................................................................................................................ 30
Safety........................................................................................................................... 30
Connecting an External Power Supply ........................................................................ 30
Setting the Address .......................................................................................................... 32
Safety........................................................................................................................... 32
General ........................................................................................................................ 32
Setting the Address - Examples ................................................................................... 32
Installing the Protection Against Contact and Closing the Fronius String Control 250/25
DCD DF ........................................................................................................................... 33
Safety........................................................................................................................... 33
Installing Protection Against Contact ........................................................................... 33
Closing the Fronius String Control 250/25 DCD DF ..................................................... 33
Settings ............................................................................................................................ 34
General ........................................................................................................................ 34
Initial Steps .................................................................................................................. 34
Possible Settings for the Fronius String Control 250/25 DCD DF ................................ 34
Strings per Measuring Channel.................................................................................... 35
Max. Energy Deviation ................................................................................................. 35
Threshold ..................................................................................................................... 35
Display of Data and Status Messages ............................................................................. 36
Data Display ................................................................................................................ 36
Status Messages ......................................................................................................... 36
Status diagnosis and troubleshooting .............................................................................. 37
Safety........................................................................................................................... 37
Status diagnosis and troubleshooting .......................................................................... 37
Replacing String Fuses .................................................................................................... 38
Safety........................................................................................................................... 38
Preparation .................................................................................................................. 38
Replacing String Fuses ................................................................................................ 38
Finally... ........................................................................................................................ 39