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@unpublished{scholz:medsi2023-thppp024, author = {F. Scholz}, title = {{Fast Setup Alignment of a Highly Mobile Experiment with a Raspberry Pi and a Beckhoff PLC and the Combination of the PLC to the DAQ.}}, % booktitle = {Proc. MEDSI'23}, booktitle = {Proc. Int. Conf. Mech. Eng. Design Synchrotron Radiat. Equip. Instrum. (MEDSI'23)}, eventdate = {2023-11-06/2023-11-10}, language = {english}, intype = {presented at the}, series = {International Conference on Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation}, number = {12}, venue = {Beijing, China}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {07}, year = {2024}, note = {presented at MEDSI'23 in Beijing, China, unpublished}, abstract = {{The so-called Focus-Finder Setup of DESY uses a Beckhoff PLC to control the scanning motor during the measurement. While the measurement isrunning, the external trigger of a camera is used to save the timestamp and encoder value internally in the Beckhoff. Later, this data is used to synchronize the taken pictures with the corresponding encoder position. In our new enhanced setup, we use the Beckhoff PLC also for controlling all the additional motor axes of the experiment to align the scanning motion axis with the beam path. This is done by using a 7-inch touchscreen with an attached Raspberry Pi 3+ and pyqt5-based software to create the GUI. Together, this helps to reduce the setup and alignment time by factors.}}, }