• Overview

SI-EtherCAT allows Control Techniques general purpose and servo drives to connect and interface with EtherCAT networks.


  • Up to 64,535 nodes on a segment
  • Data rate of 100 Mbps (100BASE-TX)
  • Update 40 axes in 250 μs (assuming 2 words command data and 3 words feedback data per axis, a control word and basic cyclic synchronization data)
  • Jitter of less than 1 μs with Unidrive M600 to M700
  • Non-cyclic data using the CoE mailbox
  • CANopen DS-402 profile supported (drives and motion control) LED indication of network port activity


Drive compatibility

  • Unidrive M
  • Commander C
  • Digitax HD*
  • Pump Drive F600
  • HVAC Drive H300

*Digitax HD M753 features EtherCAT onboard.