hi every body

i have 3 plc (s7-300 ,cpu 313 ) ( with 3 hmi screen )

1 pc with cp5611 and wincc project for all 3 plcs

they connected toghather with profibus and there is dp coupler also

1 plc is master and 2 other slave

the problem is : i can't read any values from pc ( wincc project ) all values are #######

question : what is the right statues for profi bus dp switch ( on or off) and what is the solution for my problem

pleas help me nessary

Closed cause question posted twice.

The second thread with the subject problem is published within the conference Communication / Networks.

Best regards,