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| 型号： | 71M6513H-DB |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 28/112页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO 71M6513H ENERGY METER |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | 71M6513H |
| 已供物品： | 2 个板，线缆，CD，电源 |
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71M6513/71M6513H Demo Board User’s Manual
If potential transformers (PTs) are used instead of resistor dividers, phase shifts will be introduced that will re-
quire negative phase angle compensation. TERIDIAN can supply Demo Code that accepts negative calibration
factors for phase.
1.9
CALIBRATION PARAMETERS
1.9.1 GENERAL CALIBRATION PROCEDURE
Any calibration method can be used with the 71M6513/6513H chips. This Demo Board User’s Manual presents
calibration methods with three or five measurements as recommended methods, because they work with most
manual calibration systems based on counting "pulses" (emitted by LEDs on the meter).
Naturally, a meter in mass production will be equipped with special calibration code offering capabilities beyond
those of the Demo Code. It is basically possible to calibrate using voltage and current readings, with or without
pulses involved. For this purpose, the MPU Demo Code can be modified to display averaged voltage and
current values (as opposed to momentary values). Also, automated calibration equipment can communicate
with the Demo Boards via the serial interface and extract voltage and current readings. This is possible even
with the unmodified Demo Code.
A complete calibration procedure is given in section 0 of this manual.
Regardless of the calibration procedure used, parameters (calibration constants) will result that will have to be
applied to the 71M6513/6513H chip in order to make the chip apply the modified gains and phase shifts
necessary for accurate operation. Table 1-4 shows the names of the calibration constants, their function, and
their location in the CE RAM.
Again, the command line interface can be used to store the calibration constants in their respective CE RAM
addresses. For example, the command
>]8=+16302
stores the decimal value 16302 in the CE RAM location controlling the gain of the current channel ( CAL_IA ) for
phase A.
The command
>]9=4005
stores the hexadecimal value 0x4005 (decimal 16389) in the CE RAM location controlling the gain of the voltage
channel for phase A ( CAL_VA ).
CE
Constant
CAL_VA
CAL_VB
CAL_VC
CAL_IA
CAL_IB
CAL_IC
PHADJ_A
PHADJ_B
PHADJ_C
TEMP_NOM
Address
(hex)
0x09
0x0B
0x0D
0x08
0x0A
0x0C
0x0E
0x0F
0x10
0x11
Description
Adjusts the gain of the voltage channels. +16384 is the typical value. The
gain is directly proportional to the CAL parameter. Allowed range is 0 to
32767. If the gain is 1% slow, CAL should be increased by 1%.
Adjusts the gain of the current channels. +16384 is the typical value. The
gain is directly proportional to the CAL parameter. Allowed range is 0 to
32767. If the gain is 1% slow, CAL should be increased by 1%.
This constant controls the CT phase compensation. No compensation
occurs when PHADJ=0. As PHADJ is increased, more compensation is
introduced.
TEMP_RAW reading
Table 1-4: CE RAM Locations for Calibration Constants
Page: 28 of 112
? 2005-2006 TERIDIAN Semiconductor Corporation
Revision 5.6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 71M6513H-IEL | 制造商:未知厂家 制造商全称:未知厂家 功能描述:71M6513 |
| 71M6513H-IEL/F | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
| 71M6513H-IELR | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
| 71M6513H-IELR/F | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
| 71M6513H-IGT/F | 功能描述:计量片上系统 - SoC 3-Phase Energy Meter I/C 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 |
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