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78M6610LMU 参数 Datasheet PDF下载

78M6610LMU图片预览
型号: 78M6610LMU
PDF下载: 下载PDF文件 查看货源
内容描述: 电能计量处理器的负荷监测单位 [Energy Measurement Processor for Load Monitoring Units]
分类和应用: 监控
文件页数/大小: 63 页 / 1710 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
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78M6610+LMU Data Sheet  
Table of Figures  
Figure 1. SPI Timing ..................................................................................................................................... 8  
Figure 2. I2C Timing ...................................................................................................................................... 9  
Figure 4. Package Outline........................................................................................................................... 11  
Figure 5. Block Diagram.............................................................................................................................. 12  
Figure 6. Crystal Connections..................................................................................................................... 13  
Figure 7. Reset Connections ...................................................................................................................... 14  
Figure 8. AFE Input Multiplexer .................................................................................................................. 16  
Figure 9. Voltage Input Configuration ......................................................................................................... 20  
Figure 10. Voltage Computation ................................................................................................................. 20  
Figure 12. Voltage Input Flowchart............................................................................................................. 22  
Figure 13. Current Input Configuration ....................................................................................................... 23  
Figure 14. Current Computation ................................................................................................................. 23  
Figure 15. Current Configuration Examples................................................................................................ 24  
Figure 16. Current Input Flowchart ............................................................................................................. 25  
Figure 17. Peak Voltage Computation........................................................................................................ 28  
Figure 18. RMS Voltage Computation ........................................................................................................ 28  
Figure 19. Peak Current Computation ........................................................................................................ 29  
Figure 20. RMS Current Computation ........................................................................................................ 30  
Figure 21. Active Power Computation ........................................................................................................ 31  
Figure 22. Reactive Power Computation .................................................................................................... 32  
Figure 23. Apparent Power Computation.................................................................................................... 32  
Figure 24. Min/Max Tracking....................................................................................................................... 36  
Figure 25. Voltage Sag ............................................................................................................................... 38  
Figure 26. Relay Timing.............................................................................................................................. 41  
Figure 27. RS-485 Interface........................................................................................................................ 49  
Figure 28. Device Address Configuration ................................................................................................... 50  
Figure 29. SSI Protocol............................................................................................................................... 51  
Figure 30. Master Packet Structure ............................................................................................................ 51  
Figure 31. SPI Interface .............................................................................................................................. 55  
Figure 32. SPI Timing Continuous Clock.................................................................................................... 57  
Figure 33. SPI Timing Gapped Clock ......................................................................................................... 57  
Figure 34. I2C Interface............................................................................................................................... 58  
Figure 35. I2C Device Address.................................................................................................................... 58  
Figure 36. I2C Bus Characteristics.............................................................................................................. 59  
Figure 37. I2C Device Addressing............................................................................................................... 59  
Figure 38. Write OperationSingle Register .............................................................................................. 60  
Figure 39. Write OperationMultiple Registers .......................................................................................... 60  
Figure 40. Read Operation.......................................................................................................................... 61  
Figure 41. Setting Read Address................................................................................................................ 61  
Figure 42. Reading Multiple Registers........................................................................................................ 61  
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