ASR-2000 series is a multifunctional AC + DC power supply unit with 9 different output modes, including AC power output Mode (AC-INT Mode), DC power output Mode (DC-INT Mode), AC/DC power output Mode (AC + DC-INT Mode), external AC signal source Mode (AC-EXT Mode), external AC/DC signal source Mode (AC + DC-EXT Mode), and external AC signal superposition Mode (AC-ADD Mode), external AC/DC signal superposition Mode (AC + DC-ADD Mode), external AC signal synchronization Mode (AC-SYNC Mode), and external AC/DC signal synchronization Mode (AC + DC-SYNC Mode). This article will focus on the technical features of the ASR-2000 series power supply unit and the application scenarios of various modes. I. Technical features and versatility: ASR-2000 series power supply unit has 9 different output modes, which can meet the power supply requirements in different application scenarios and provide more diversified power output options. Flexibility: through the switching of these output modes, users can select the most suitable power output mode according to specific requirements to realize flexible control and adjustment of power output. High efficiency: ASR-2000 series power supply unit adopts advanced power conversion technology, which can provide stable and efficient power output to ensure the normal operation of the powered equipment. Reliability: ASR-2000 series power supply unit has high stability and reliability, and can operate stably for a long time in various industrial environments, providing reliable power support for equipment. II. Application scenario industrial automation: in the field of industrial automation, multiple output modes of ASR-2000 series power supply unit can adapt to the power supply requirements of different automation equipment and provide stable and reliable power supply support. Communication equipment: in the field of communication, ASR-2000 series power supply unit can flexibly switch AC or DC power according to the needs of communication equipment to ensure the normal operation of communication equipment and stable output of communication signals. Laboratory testing: for laboratory testing equipment, the external signal source mode and superposition mode of ASR-2000 series power supply unit can meet the demand for complex power signals and provide reliable power supply support for laboratory testing. Medical equipment: in the medical field, the efficient and stable power output of ASR-2000 series power supply unit can provide reliable power supply guarantee for medical equipment, ensuring the normal operation of medical equipment and the safety of patients. With a variety of output modes, flexibility, efficiency and reliability, ASR-2000 series power supply unit is suitable for various application scenarios and provides a comprehensive solution to the power supply requirements of various industries.