Specifications

R-8073A Three-phase Full-parameter AC Electricity Transmitting Module

Measured channels

Tri-phase current, voltage

Measured Parameter

The effective value of current and voltage, power factor, active power, reactive power, frequency, input active electrical degree, output active electrical degree, the total electrical degree, reactive electrical degree, apparent power, and the total apparent power etc.

Input frequency

35~75Hz

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 per second).

Overload capability

Can measure exactly 1.2 times of range input; instant current (10 cycles) is 5 times, no damage when voltage range is 3 times.

Output data

Electric parameters such as three-phase voltage Ua, Ub, Uc; three-phase current Ia, Ib, Ic; active power P, reactive power Q, power factor PF, frequency f, 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.

Communication port

R-485/R-232(It is optional,customers need to declare before ordering goods.)

Communication rate

1200, 2400, 4800, 9600, 19200 BPS

Communication protocol

ASCII command set，Modbus/ASCII protocol and Modbus/RTU protocol

Degree of Accuracy

Current and voltage are 0.2 grade, others are 0.5 grade

Parameter Setting

Module’s address, communication rate, setting voltage and current transformation ratio by communication interface

Power supply

+10~+30VDC

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.