Motion Control and Motor Drives

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Failure to connect multiple servos over EtherCAT

I'm attempting to control a set of 4 servos/drives with an NI-9039 and can't seem to operate more than 1 drive at a time. I can connect to and operate any of them individually but once I daisy chain more together I can only get the first drive in the chain into an operational state while the rest always fail to get into an operational state (also doesn't matter if it's 1, 2, or 3 left in the chain). 

 

The servo drives are Estun Pronet-02AEA-EC. I've tried skimming through and reuploading the device XML file to no avail. I've been reading through various posts here and other documents from NI but am at a bit of a loss for what else to try out. 

 

I'm very new to Labview and ethercat so please excuse my lack of seemingly basic knowledge. 

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