Powerflex 525 Detecting Loss of ethernet connection

Hello all.

I am currently using a compactlogix L36ERM to control 5 Powerflex 525 Drives over Ethernet. The problem I am having is determining when an Ethernet cable has been removed from the drive. Right now when the cable is lost the drive stops and faults, which is fine, but the program still thinks the drive is running at speed with no problems. What is the best way to detect this problem? Thanks in advance.

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