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For a complete automated production test of various electronic assemblies and PCBs, an In-Line test system with automatic component handling was developed. The system is designed to test different products with a simple fixture kit refitting in the test cell. Typical DUTs include circuit boards for power supplies and several other electronic PCBs.
The test system's instrumentation has been built using standard instruments on the PXI standard. Instruments include:
An essential component of the entire system is the Konrad Test Cell "FlexCell", which facilitates testing of various products. By implementing the FlexCell, a base system was created, both modular and space saving and with an open architecture. To decrease the boot and reset time, parallel operation for all components was implemented (4-way or 8-way, alternatively). Successfully tested PCBs or panels are marked accordingly by a marking system. Contacting is carried out in multiple stages over product specific fixture kits and a servo drive. For this reason, an In-Circuit test, Boundary Scan Test as well as a Functional Test can all be carried out successively in one single test cell. The instrumentation was designed as a PXI system extended by the analog bus "ABex". This offers the following advantages: