3. Introduction to EtherCAT
3.1 Protocol
EtherCAT (Ethernet for Control Automation Technology) was created by a German company Beckhoff
based on the Ethernet communication protocol which is applicable on the industrial automation and
industrial open, real-time, on-site fieldbus technology. The EtherCAT Technology Group (ETG) currently
supports and promotes future development of this technology
The Ethernet structure of a motor drive is shown in the image below.
1. Communication layer: This protocol covers communication objects such as PDO, SDO, Sync and
Emergency Objects. It also covers related communication object dictionary.
2. DS402 is the motion control layer (Drives and motion control device profile) It defines the action of
different motions and the parameter setting of the objects when
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Send Quote Requests to info@automatedpt.com
Call +1(800)985-6929 To Order or Order Online At Deltaacdrives.com
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