When going into the weeds of troubleshooting an EtherCAT device you might need to take a look at the process data (PDOs) being transmitted between EtherCAT master and slave. This video shows you how to do this utilizing Wireshark and tshark.
00:00 Title
00:05 Overview
02:45 Capturing data in Wireshark
05:08 Description of PDOs
07:05 Running tshark in command prompt
09:10 Analyzing the PDOs in the EtherCAT datagram