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Windtech International May June 2024 issue






The Ethernet interface was previously mainly operated by Scada and control station systems. The connection to a controller is mainly implemented using discrete data signals. Bachmann’s MMS Client now accesses the Ethernet interface and acts in a similar way to a fieldbus driver: It’s an exclusively software-based solution and does not require any additional special hardware.

The application program itself can be written in IEC61131-3 or C/C++. Bachmann also provides programming tools in order to ensure a simple connection of the MMS Client. The graphical test and diagnostics monitor in the device manager of the Bachmann SolutionCenter enables the communication to the peripheral device to be tested without any extensive programming required. 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 be operated 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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