Error: Master exist on PROFIBUS network .....

zanor

Member
Z
Join Date
Sep 2005
Location
Oppland
Posts
8
Hi!

After som searching on the net I found out that the pc/ppi cable was just a RS232 to RS485 level converter.
And then I found this:
pcppi.gif


But when I'm trying to communicate with my plc I just get this error:
"Masters exist on the PROFIBUS network and the current device does not support masters.
Try again after selecting a multi-master device."

My plc is a CPU-222

Does anyone know what I may have done wrong?
 

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