[?]: Profibus Redundancy

[Nedjeljko]

Hi..

I have question about Profibus redundancy...

Is it posible to use just profibus cable to make redundancy ring for system...
...I know for optical ring and transfer from opto to Profibus...

...but is anyone have make something like ring with standard Profibus cable

[CoMod]

Is it posible to use just profibus cable to make redundancy ring for system...

No. Only optical ring is possible.
Or use 400H with 2*IM153 hardware redundancy stations - also not ring.

[Nedjeljko]

...I think that Im specified incorectly my question...

...I thougt about electrical ring with Profibus cable...
...It means if somwhere in ring wire break comunication goes trough other side...