Mianyang Weibo Electronic WB5110-D, User Manual

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Mianyang Weibo Electronic Co., Ltd
www.wb-my.com wbwm@wbdz.cn
86 816 2971265 (office) /86 816 2281934 (Fax)/86 18980129532 (Mobile)
Technical Consultant Tel: 86 816 2278271
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6
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limit alarmingdata, remote transmitting and structuring working net with host computer through RS485
interface.
2.5 Technical Datasheets
Measurement System
Single Phase;
3-Phase 3-Wire;
3-Phase 4-wire;
Voltage
Rated Input AC 57.7V,100V,220V,380V,500V;
Over Load
1.2 times of nominal input continuous;
2 times of nominal input for 5 seconds;
Power Consumption
< 2VA(each phase)
V
Accuracy 0.5 %, RMS sensing
Current
Rated Input AC 1A,5A;
Over Load
1.2 times of nominal input continuous;
10 times of nominal input for 5 seconds;
Power Consumption < 1VA( each phase)
I
Accuracy 0.5%, RMS sensing
Power
p
Active Power: Accuracy: 0.5%;
Reactive Power: Accuracy: 1%;
Energy
Active Energy: Accuracy 1%;
Reactive Energy: Accuracy 2%;
Harmonic
Measurement of harmonic wave to 31
st
, B Grade;
Frequency
Frequency: 45Hz – 65Hz, Resolution: 0.01
Data Updating
Data updating ≤ 1s
Communication Protocol
ModBus-RTU Protocol
RS 485 Interface
Baud Rate:
1200bps /2400bps / 4800bps / 9600bps / 19200bps / 38400bps / 57600bps optional;
Galvanic isolation betweent RS485 interface and Input and Auxiliary power supply;
Plug-In Functional Module
Relay Output Two- Channels Relay Output;