SITOP 24V power supplies can be expanded with an uninterruptible DC power supply (DC UPS) with battery modules for bridging power failures in the order of hours. They prevent expensive downtimes and undefined plant states. In addition, the innovative SITOP UPS1600 offer new options for diagnostics and system integration. The SITOP UPS1600 offers comprehensive functions, open communication via USB or Ethernet/Profinet and is fully integrated in Totally Integrated Automation (TIA).