This article gives basic overview of the USS protocol as a communication interface to drive Siemens frequency inverters. It presents our implementation of this protocol into LabVIEW, as there was permanent demand from the community of the users to have native LabVIEW implementation of the USS protocol. It also states encountered problems and their solutions.

Technical University of Liberec Faculty of Mechatronics Institute of Novel Technologies and Applied Informatics Czech Republic

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