R-8073B

Specifications

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

Measured   channels

Three-phase   current, voltage

Measured   Parameter

The real   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

45~75Hz

Voltage   range

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

Current   range

Basic   range is 0.2~5A, can   measure greater current by appending current transformer and setting current   transformation ratio.

Signal   processing

16bits   A/D converter, 6 channels, the real time data of module is real effective   value of 1 second (refresh one time per 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

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

Communication   rate

1200,   2400, 4800, 9600 BPS

Communication   protocol

ASCII and Modbus RTU protocol

Degree of Accuracy

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 3 years   with lithium cell.