CODESYS - the IEC 61131-3 automation software

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 Post subject: AR protocol violation
PostPosted: Fri Mar 29, 2019 5:26 pm 
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Joined: Thu Oct 25, 2018 1:07 pm
Posts: 1
Hi,

I'm trying to establish PN communication between a Codesys PN controller and an I/O module from Murrelektronik which has 4 master IO-Link ports.
If the IO-link ports are deactivated the communication is fine; if I reserved I/O bytes on one IO-link port the communication is fine; if I reserve I/O bytes on more than one IO-Link ports (from2 to 4) the communication between PN controller and I/O module can't be established and the following error appears: Connection aborted: AR protocol violation.
I guess is related to tasks cycle time and I tried to change send clock, reduction ratio and watchdog time of the I/O module without success.

Do you have any idea how can I solve the issue?

thank you in advance

BR
Luca


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