A User Interface for Complex Testing Procedures

The Compact Muon Solenoid (CMS) is an experiment at the Large Hadron Collider at CERN. In the near future, CMS will incorporate the High Granularity Endcap Calorimeter (HGCAL) as a major upgrade to its detector system. HGCAL will be constructed modularly from many hexagonal-shaped readout boards (hexaboards) attached to silicon sensors. For this, many thousands of hexaboards will need to be tested for quality. One such test is electrical testing to ensure integrity of the readout chips (HGCROCs) on the board. Performing these inspections manually requires a broad spectrum of technical skills per test station. As such, we have developed a GUI to automate large parts of the process. This GUI manages all the testing devices from one central location, as part of a step-by-step workflow, ensuring that the process is standardized and repeatable across different boards and with different testers. The interface walks the user through connecting hardware and starting the tests, automatically interprets the resulting data to classify the board as passing or not, and archive the resulting data to a remote database.