Product Overview

The Siemens 6EP1931-2DC42 is a sophisticated DC uninterruptible power supply (UPS) module from the renowned SITOP product family, engineered to provide seamless battery-backed power protection for 24V DC industrial control systems. As a core component of the SITOP UPS1600 series, the 6EP1931-2DC42 connects directly between a standard 24V DC power supply and critical loads such as PLCs, industrial PCs, HMIs, and communication networks, ensuring uninterrupted operation during mains failures or voltage sags. This Siemens 6EP1931-2DC42 module delivers a rated output current of 6A at 24V DC, with a peak capacity of 6.3A, supporting loads up to 144W while maintaining exceptional efficiency of approximately 95% in normal operation.

The Siemens 6EP1931-2DC42 distinguishes itself through its intelligent battery management and comprehensive communication capabilities. Equipped with a USB Type-B interface, this 6EP1931-2DC42 module enables direct connection to a PC running the SITOP Manager software, providing real-time monitoring of battery health, charging status, input/output voltage, load current, and remaining backup time. The module supports a wide input voltage range of 22 to 29V DC and incorporates sophisticated charging algorithms with selectable charging currents of 0.2A or 0.4A via DIP switches, ensuring optimal battery care and extended service life. With its compact 50mm wide DIN rail mountable housing, the Siemens 6EP1931-2DC42 integrates seamlessly into standard control cabinets, offering a space-efficient solution for applications requiring high system availability and data integrity.

Technical Specifications