Signal analysis under control
30 November 2008
Bachmann’s M1 system is a high performance industrial computer cast in the form of a programmable controller (PLC). It combines the PC’s open architecture with continuously improving performance, along with traditional PLC guarantees such as safety, ruggedness, and secure real-time response.
The PC-based controller is powered with industrial versions of Pentium processors, which do not need external cooling, and uses the real-time operating system VxWorks.
The M1 is one of the few commercially available industrial computers equipped with special software to allow it to run as a target for MATLAB/Simulink® applications. The software, called M-TARGET for Simulink®, permits the automatic generation of control, regulation and analysis programs for the M1 system directly from MATLAB/Simulink.
The latest version, M-TARGET 1.20, enhances the possibilities for synchronous and asynchronous signal analysis. The newly supported blocked processing of time series (frame based processing) permits examination of data series with very high sampling rates clearly above the evaluation cycle. High quality libraries for signal analysis, such as the Signal Processing Blockset® from The MathWorks, Inc., can thus be used directly for order and frequency analyses. With version 1.20, the possibilities for access to the Simulink block parameters were expanded online in operation through parallel-running control programs.
Through SVI (Standard Variable Interface), a variety of possible settings for use in conventional PLC (IEC 6-1131) or C/C++ tasks is also available in addition to the online data. Besides the new signal recording card for condition monitoring (AIC212) and various data blocks for storing and loading large data volumes, SERCOS or the counter module CNT204, among others, is directly available via the extended module access. www.bachmann.info
Bachmann electronic GmbH
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