Lenze EMF2192IB - Manual (Page 39)

Data transfer
EtherCAT datagrams
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39 EDSMF2192IB EN 3.1
7.2 EtherCAT datagrams
EtherCAT datagrams have the following structure:
EtherCAT
Command header
Data WKC
10 bytes Max. 1486 bytes 2 bytes
EtherCAT command header
The EtherCAT command header contains the following information:
Command to be executed
Addressing information
Length of the data area (Data)
Interrupt field
Data
The data area contains the data of the command to be executed.
WKC
The working counter is evaluated by the master for monitoring the execution of the
command.