SU Control cabinets might be serial or customized for an exact SENS equipment set including secondary devices and additional equipment (circuit breakers, clamps, etc.). SU-IP54 and SU-IP31 main purpose is to reduce the time and cost of installation and commissioning works of SENS system. The fixture of SU on the carrying surface (e.g. Wall), power supply (220V in most of cases) and connection of a three-wire power and signal cable from sensors are are required for this. Secondary devices inside SU are already connected and adjusted by the Manufacturers as per customers demands. After installation and adjustment of SU components, it is required to check the connections, settings ang operation logics of the device.