[foxboro] FBM230

Does anyone have any experience with RS485 communication with FBM230 using 
fiber.   We use B&B converters to convert the RS485 to fiber  and back 
again on the other end.   We drop communication sometime for hours and it 
will come and go without any reason that we can see.   We have tried 
changing baud rates on both ends, we have increased both scan rate and 
timeout  on the Foxboro end without any success.   When it works, it works 
great and when it doesn't  it is a killer.
Tommy Keith
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