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My Process Drive with Modbus serial is not indicating when my cable is disconnected or no Modbus communication?

Issue:
My Process Drive with  Modbus serial is not indicating when my cable is disconnected or no Modbus communication?

Product Line:
ATV Process
 
Environment:
All

 
Cause:
Wiring

 
Resolution:
Drive has to be configured for command and/or reference from Modbus or drive sees this as monitoring only, will not trip if it's not there.  Under Error/Warning Handling > Fieldbus Monitoring > SLL - Response to Modbus Interruption is set to Freewheel
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