THank both of you for the support. after getting a help from a colleage here I found out what I did miss.
here is what need to do:
after having the profinet scanned there still showed an error
what need to do is selecting the scanned devide then click on the function button Auto-IP below. then it works. I did click the Auto-IP button without selecting the scanned device or another way around, and that was why I didn't get it work. now I know what steps I did miss. after getting it worked we have another issue.
what we want to do is changing a parameter with a subindex number in a drive through the service channel, like P-0-2845.0.1, P-0-2845.0.2...
however from a document we got how to setup the service channel of profinet it mentioned that index structure:
Bits 13-15 Fixed identifier
Bit 12: 0 Standard data (S-x-xxxx)
Bit 12: 1 Product data (P-x-xxxx)
Bits 11–0 Data block number from 0 to 4095
how can we convert 2845.0.1 into a range of 0-4095? or is there another way to change the parameter like P-0-2845.0.1, P-0-2845.0.2 through the service channel on profinet? let me know if you need more information.
Thank you for your support!
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