5   EtherCAT Communications
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GX-series EtherCAT Slave Unit User’s Manual
 Communications cycle
The communications cycle is determined by setting output frequency of Sync0 signal (interrupt 
signal in DC mode 1).
    125 μs, 250 μs, 500 μs, 1 ms, 2 ms, 4 ms
The settings are performed on the EtherCAT Master Unit side. For the setting method, refer to the 
manual of the EtherCAT Master Unit to be used.