Fieldbus & Industrial Networking

High performance Sercos coupler

January 2013 Fieldbus & Industrial Networking

Wago has developed a new, high performance IP67 Sercos coupler. The Speedway 767 Series coupler links the fieldbus level to the Sercos V1.2 real-time Ethernet fieldbus system. The 767-1311 coupler supports all Sercos cycle times and can be integrated easily into the Sercos system using the efficient and standardised Sercos profiles and device description (SDDML).

The coupler is also equipped with eight local high-speed digital inputs with a 10 μs scanning cycle, making it compatible with 31,25 μs Sercos cycles. A wide range of Wago I/O modules can be connected to the Speedway coupler. Together with the new, synchronous high-speed I/O modules, Speedway allows for hard real-time applications with I/O cycles of only 250 μs.

As with all Speedway products, the coupler provides cabinet-free, machine-mount automation. The I/O modules can be placed away from the Sercos coupler, making it possible to expand the system up to 200 metres. This enables digital and analogue I/O modules to be installed directly next to sensors and actuators. With 10 μs high-speed synchronisation, the new 767-1311 Sercos III coupler is ideal for motion control applications.

For more information contact Dino Singh, Shorrock Automation, +27 (0)12 345 4449,,


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