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| 型号： | 71M6543F-DB-CT |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 52/91页 |
| 文件大小： | 0K |
| 描述： | DEMO BOARD 71M6543F-DB-CT |
| 标准包装： | 1 |
| 系列： | * |
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71M6543 Demo Board User’s Manual
Figure 2-12, left side. This arrangement is not optimized for suppression of cross-talk, but it works well in most
cases.
If magnetic cross-talk between shunt sensors has to be minimized, the shunts may be arranged slightly different
from the standard configuration. An example with staggered shunt arrangement is shown in Figure 2-12, right
side. This illustration shows the shunts as seen from inside the meter, looking towards the terminal blocks. The
center shunt is lifted on spacers, which decouples the magnetic field lines.
Figure 2-12: Typical Sensor Arrangement (left), Alternative Arrangement (right)
Another possible arrangement is to swivel the shunts by 90°, as shown in Figure 2-13. This method is most ef-
fective at suppressing magnetic cross-talk, but requires more space in the meter enclosure.
Figure 2-13: Swiveled Sensor Arrangement
It is useful to minimize the loop area formed by the Manganin zone of the shunts and the wires. As with the AN-
SI sensors, it is recommended that sensor wires are tightly twisted to avoid loops that can be penetrated by the
magnetic fields of the sensors or conductors.
2.5.4 OTHER TECHNIQUES FOR AVOIDING MAGNETIC CROSSTALK
With very high currents or close distances between shunt sensors, magnetic pickup or cross-talk will sometimes
occur even if good placement practices are followed.
One mechanism for cross-talk is shown in Figure 2-14, where the Manganin zone and the sensor wire act as a
loop that will generate an output voltage similar to that generated by a Rogowski coil.
The effect of this loop can be compensated by adding a second loop on the opposite side of the shunt resistors,
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| 71M6543F-IGT/F | 功能描述:计量片上系统 - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6543F-IGTR/F | 功能描述:计量片上系统 - SoC Precision Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 71M6543FT-IGT/F | 制造商:Maxim Integrated Products 功能描述:ENERGY METER ICS - Rail/Tube |
| 71M6543FT-IGTR/F | 制造商:Maxim Integrated Products 功能描述:3-PHASE SOC, 64KB FLASH, PRES TEMP SENSOR - Tape and Reel |
| 71M6543G | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Selectable Gain of 1 or 8 for One Current Energy Meter ICs Metrology Compensation |
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