Ethernet interfaces to wind turbines were previously operated mostly by Scada and control stations. A connection to a controller is implemented mainly using discrete data signals. Bachmann’s Multimedia Messaging System (MMS) Client now accesses the Ethernet interface and acts in a similar way to a fieldbus driver: It’s an exclusively software-based development and requires no special hardware.
The application program can be written in IEC61131-3 or C/C++. Bachmann also provides programming tools to ensure a simple connection of the MMS Client. The graphical test and diagnostics monitor in the device manager of the Bachmann SolutionCenter allows testing communication with the peripheral device without extensive programming.
The open configuration interface of the MMS Client also enables typical wind-power units such as meteorological masts, anemometers, and monitoring devices as described in IEC61400-25, to operate in accordance with IEC61850. Thanks to the open configuration interface of the MMS Client, devices compliant with IEC61400-25 and IEC61850 can be mixed as required in the network since the basic communication structure is the same.
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