Working memory: 1MB (including code memory 0.5MB and data memory 0.5MB) Processor type: CPU 412-3HJ14 Interface type: 1 MPI/DP interface (12Mbit/s), 1 PROFINET interface Power requirement: 24VDC Protection class: IP20 Dimensions: 115x110x75mm SIMATIC S7-400 CPU412-3HJ14 is SIEMENS high-performance CPU in the SIMATIC S7-400 series.This CPU has powerful data processing ability and stability, which can meet the needs of various complex industrial environments. Its built-in 1MB working memory, of which 0.5MB is used for code storage and 0.5MB for data storage, ensures efficient data processing efficiency. Through the MPI/DP interface, the data transmission rate up to 12Mbit/s can be realized, which ensures the fast data exchange. At the same time, it also supports Ethernet/PROFINET interface to facilitate network connection with other devices.With an operating temperature range of -25 ° C to + 60 ° C and a storage temperature range of -40 ° C to + 85 ° C, this CPU is adaptable and robust in harsh environments. In addition, its compact design makes installation more convenient, and its size is only 117x103x87mm, which is suitable for applications with limited space.