Which abb module is used to profibus-dp to fiber optic and fiber optic to profibus-dp communication for S800 I\Os?
In our case we have CI854 module with AC800M controller and remote I\O panel (S800 I\Os).
I want to know that for long distance communications is there any module (ABB make) for profibus-dp communication via FO(Fiber Optic)?
Can we directly communicate via Fo?
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ABB do not make those modules but you can check attached link to OZD electrical/optical profibus converters.
Theres modules were used in tests in lab when I was there.
There are other modules from Hirschmann etc. available too.
the FO/media converter is transparent to profibus deivces ( you do have to adjust bus parameters to take account of delay introduced by convertion process etc). If you are looking for direct FO conection to slave, I am afraid its not possible yet. Maybe there a couple of solutions avaliable in market but we haven't tested those and can't recommend.