General ......................................................................................................................................................... 3
General .................................................................................................................................................... 3
Fronius interface protocol ........................................................................................................................ 3
Baud rates ................................................................................................................................................ 3
Fronius system versions .......................................................................................................................... 3
General .................................................................................................................................................... 4
Components required ............................................................................................................................... 4
General hardware data ............................................................................................................................ 5
General .................................................................................................................................................... 6
Setting the inverter number ...................................................................................................................... 6
General .................................................................................................................................................... 9
Components required ............................................................................................................................. 10
Installing com cards ............................................................................................................................... 10
General hardware data ........................................................................................................................... 11
General .................................................................................................................................................. 12
Setting the inverter number .................................................................................................................... 13
interface ...................................................................................................................................................... 17
General .................................................................................................................................................. 17
System overview - up to 100 inverters via an RS 232 interface .................................................................. 18
General .................................................................................................................................................. 18
Components required ............................................................................................................................. 18
Installing components ............................................................................................................................ 20
General hardware data .......................................................................................................................... 20
General .................................................................................................................................................. 21
Setting the inverter number .................................................................................................................... 21
Setting the baud rate for the interface card, interface box, datalogger & interface ................................ 22
General .................................................................................................................................................. 23
Components required ............................................................................................................................. 23
General hardware data .......................................................................................................................... 24
Interface Card easy baud rate ................................................................................................................ 24
Getting started ........................................................................................................................................ 24
Fronius Converter ....................................................................................................................................... 26
General .................................................................................................................................................. 26
Fronius Converter RS 232 box ............................................................................................................... 26
Fronius Converter USB .......................................................................................................................... 27
Display modes of the operating display .................................................................................................. 28
Data cable ................................................................................................................................................... 29
Data cable .............................................................................................................................................. 29
Cabling up to 100 inverters via an RS 422 interface .............................................................................. 30
Cabling up to 100 inverters via an RS 232 interface .............................................................................. 31
Cabling 1 inverter via an RS 232 interface (Interface Card easy) .......................................................... 31
Underlying data structure ............................................................................................................................ 32
1