Additional switches are not required. From Wikipedia, the free encyclopedia. Besides the error detection and localization protocol, the transmission physics and topology of the EtherCAT system allow individual quality monitoring of every single transmission path. The system clock is specified as a 64 bit counter with a base unit of 1ns starting at January 1, , 0: Thus the requirements for the microcontroller are determined by the local application, e. The transport medium is regarded as a black channel, [1] and thus is not included in safety considerations. Due to the relocated mapping on the slave hardware, demands are reduced for CPU performance of the master.

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System partners give qualified feedback for the simple integration of hardware and software modules in all required equipment classes. Bus Terminals for circuit boards.

EKxxxx | Buskoppler für EtherCAT-Klemmensystem

Due to these features EtherCAT enables a multitude of network topologiesincluding line, tree, ring, star, or any combination thereof.

The data sequence is independent of the physical order of the nodes in the network; addressing can be in any order. Thus, the migration to EtherCAT by adjusting the firmware and the hardware is simplified significantly. Short cycle times can be achieved since the host microprocessors in the slave devices are not involved in the processing of the Ethernet packets to transfer the process images.

There is a choice of development boards, both from the EtherCAT Slave Controller suppliers and from third party vendors. This ensures compatibility and continuity with the prevalent system.


The new one cable solution — One step closer to automation without control cabinets. Hannover Messe Technology studies on new communication topologies.

ETG end users span numerous industries, with machine builders and suppliers of powerful control technology joining forces to support and promote EtherCAT technology. Each slave should adjust the speed of their internal clock or implement an internal correction mechanism whenever they have to adjust.

The EtherCAT slave devices read the data addressed to them while the telegram passes through the device, processing data “on the fly”. The ethefcat problem is: EtherCAT sets new standards where conventional fieldbus systems reach their limits: EtherCAT — ultra high-speed communication: Views Read Edit View history.

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Remote controlled hump yard facilities used in the railroad industry. The Servo Drives of the AX series are optimised for highly dynamic beckhorf tasks. The following software interfaces are provided for existing device profiles. The bandwidth utilization is maximized, as each node and each data do not require a separate frame.

BECKHOFF New Automation Technology

Typical application fields for EtherCAT are machine controls e. Thanks to the performance of EtherCAT, communication with external fieldbus masters is as fast as with traditional cards connected via PCI or other backbone buses.

The protocol also enables a multitude of communication features such as cable redundancy, Hot Connect of segments, change of devices during operation, or even master redundancy with Hot Standby. To keep the clocks synchronised after initialization, the master or slave must regularly send out bexkhoff broadcast again to counter any effects of speed difference between the internal clocks of each slave.


Ultra high-speed right up to the terminal Outstanding performance, flexible topology and simple configuration characterise EtherCAT Ethernet for control automation technologythe real-time Ethernet technology from Beckhoff.

Beckhoff EtherCAT – EKxxxx | Buskoppler für EtherCAT-Klemmensystem

EP pressure measuring box Measuring compressed air directly in the field. This page was last edited on 27 Decemberat Typically the entire network can be addressed with just one frame. The typical process of establishing a distributed clock etherrcat initiated by the master by sending a broadcast to all slaves to a certain address.

Data-link layer protocol specification – Part Similarly, input data are inserted while the telegram passes through. It may consist of dthercat sub- telegramseach serving a particular memory area of the logical process images that can be up to 4 gigabytes in size.

There are many statements in this article where no sources are cited. Functional principle of EtherCAT.

Additionally, there is free-of-charge parser software for Wireshark formerly Ethereal, an open source monitoring tool and the Microsoft network monitor, with which recorded EtherCAT data traffic can be comfortably prepared and displayed.