EL6xxx | EtherCAT Terminals, communication

The EtherCAT Terminals from the EL6xxx series are usually EtherCAT gateways to other bus systems such as PROFIBUS, PROFINET, CANopen, DeviceNet, EtherNet/IP, Interbus, IO-Link, ASi or Lightbus. Some of them are available in master or slave versions. With EtherCAT as the communication backbone of the system, the EL6xxx can be supplemented simply and flexibly if required and entire machine sections or other devices that do not have an EtherCAT interface can thus be connected.

Furthermore, simple serial interfaces such as RS232, RS422 and RS485 are supported, which are protocol-neutral and can be supplemented by TwinCAT extensions such as Modbus RTU, RFID reader communication or the telecontrol protocol.

The EL6xxx series offers additional terminals with the following functions:

  • TwinSAFE safety controller
  • NOVRAM memory
  • integrated display
  • EtherCAT/EtherCAT bridge function
  • IEEE 1588 time synchronization
  • TwinCAT 3 licensing


  • flexible integration of various fieldbus and communication systems
  • flexible EtherCAT topologies with EtherCAT bridge terminals
  • safety functionality integrated in the EtherCAT system
  • optimal compatibility of protocol-neutral serial interfaces with various TwinCAT extensions
  • precise time synchronization
  • diverse special functions

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