ACS850 drive emergency stop (off2) coming
850 drive 7 drives connected with S71500 through DP module . this machine running with control ,
after running few minutes , emergency stop off2 alarm coming and stop just 1 seconds and automatically reset. due to this alarm communication lose and stop the other following drive.
this alarm coming not same drive , for example one time its come in drive 2 , next time coming drive 4 like that.
i completely check the cable and connection,
please advice how to solve this issue.
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