HMI input systems for machines, plants and devices are technically complex and sophisticated. However, application requirements and technologies are constantly evolving. For PCAP touch panel design, various components are available for assembly and integration. The choice of front glass, PCAP sensor, display, optical bonding technology, mechanical integration and aspects for the specific application solution play an important role. With the right selection of these components, it is possible to develop an input system that is optimally matched to the application.