The Sercos®/EtherCAT-Bridge from CANNON-Automata connects Sercos Master with KUKA Robots

The Sercos®/EtherCAT-Bridge from CANNON-Automata connects Sercos Master with KUKA Robots
Automata GmbH & Co. KG (Germany) - Both Sercos and EtherCAT have established oneself as high-performance Ethernet-based communication standards and are used in a variety of different applications. The two busses are also encountered more and more often as internal communication platform for intelligent sub-systems like robots and assembly or transport systems. With the Sercos/EtherCAT-Bridge from CANNON-Automata it is now possible to connect Sercos and EtherCAT masters and to exchange data bidirectional in real-time within heterogeneous real-time Ethernet communication structures.

In this way a Sercos master, e.g. in combination with the mxAutomation library for CODESYS, can directly communicate with KUKA robots. Thanks to the performance of the communication, the Sercos master can send motion commands very fast to the robot and receive and handle feedback values in real-time. For programming the IEC-61131 languages can be used, special know-how in robot programming languages is not required anymore.

The Sercos/EtherCAT-Bridge acts on both busses as I/O device. The width of the real-time data is flexibly configurable in the range of 32 to 2048 bytes and can be adapted to the needs of various applications. The exchange of real-time data between the two busses is supported by hardware and is executed within one communication cycle. In addition to the application-specific I/O data information also information about communication status and diagnostic data of Sercos or EtherCAT bus is transferred to the respective other side. This allows the two masters to react very fast on changes of the communication state or on error events.

Beside the real-time data channel the device also supports a bidirectional channel for acyclic data exchange. On the Sercos side this mailbox mechanism is represented by IDNs which are readable and writeable over the service channel. From the EtherCAT side the mailboxes are accessible over CoE objects.

The device is carried out as compact module for DIN-rail mounting. For both Sercos and EtherCAT two RJ45 ports are available. A further RJ45 connector at the front side serves as standard Ethernet port. Over this interface devices can communicate with other devices connected to the real-time busses using the respective mechanisms (UC channel and EoE protocol). The IEEE 1588 master/slave also available on this interface can be used for clock synchronization.

S3EC Sercos/EtherCAT-Bridge connects Sercos and EtherCAT networks

Sercos/EtherCAT-Bridge with KUKA KR C4

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