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Module series of power acquisition (External transformer)
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Three-phase Full-parameter AC Electricity Transmitting Module

Main Features

-  Measured Channels: three-phase current and voltage

-  Measured Parameters: the real effective value of current and voltage, power factor, active power, reactive power, frequency, power factor,  input active electrical degree, output active electrical degree, main  electrical degree, reactive electrical degree, apparent power, main  apparent power.

-  Input Frequency: 45~75Hz

-  Voltage Range: 10~500V, can measure higher voltage by appending voltage transformer and setting voltage transformation ratio.

-  Current Range: Basic range is 0~5A, can measure greater current by appending current transformer and setting current transformation ratio.

-  Signal Processing:16bits A/D converter,6 channels, every channel  synchronistical AC samples at the speed of 4KHz.The real time data  of module is real effective value of 1 second( refresh one time a second)

-  Overload Capability: Can measure exactly 1.4 times of range input;  instant current( 10 cycles) is 5 times, no damage when voltage  range is 3 times.

-  Output Data: three-phase voltage Ua, Ub, Uc; three-phase current Ia, Ib, Ic; active power, reactive power, power factor, frequency, active power of each phase Pa, Pb, Pc; reactive power of each phase Qa,  Qb, Qc; forward active electrical degree, reversed active electrical  degree, forward reactive electrical degree, reversed reactive electrical  degree.

-  Output Interface: RS-485

-  Communication Rate:1200, 2400, 4800, 9600BPS

-  Communication Protocol: ASCII commands and MODBUS/ASCII  protocol

-  Degree of accuracy: current, voltage: 0.2, the rest: 0.5

-  Parameter Setting: module’s address, communication rate, setting current and voltage transformation ratio by communication interface

-  Power Supply:+10V~+30VDC
-  Display: None
-  Built-in real-time clock provides the information of year, month, day,hour, minute and second, to make sure supplying electricity  uninterruptedly for 10 years with lithium cell.


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Three-phase Full-parameter AC Electricity Transmitting Module


Date Description Version OS Download


Date Description Version OS Download
2015/04/08 R-8073 Download
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