WB9128-1 Intelligent Output 3 Phase 3 Wire Voltage Sensor adopts special made isolation module, professional MCU controller and high speed data synchronizing sampling and processing technologies to isolate and convert active power of three-phase four-wire electric system or 3 phase 3 wire system into RS485 bus and load independent output DC average current signal 4-20mA or 0-20mA and dc voltage signal 0-5V or 1-5V; It has certain advantages of input/output isolation, high performance, low drifting by temperature, and low power consuming, etc.
Applications:
Motors;
Inverter and converter;
Photovoltaic combiner box, battery management system;
Charging pile;
Wind farm monitoring, power feedback control.
Advantages:
High precision,
High isolation,
Strong anti-interference,
High-speed data synchronization acquisition.
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1. Input: Phase Voltage AC 57.7V~289V; Line Voltage AC 100V~500V; Current AC 1A~50A;
2. Input Configuration System: 3-phase 3-wire; 3-phase 4-wire;
3. Linear Measurement Range: Voltage 20% - 100% of rated input voltage; Current 1% - 100% of rated input current; Power Factor: -0.1 - 1.0 - 0.1;
4. Input Frequency: 50Hz;
5. Short Time Over Load Capacity: 2 times of input voltage, continuous 1 second, interval 10 seconds;
6. Output Types: One channel RS485; 2 – Channel analog quantities;
7. Analogue Output Specifications:
DC Voltage output:2.5V±2.5V; 0-5V; 1..5V;3V±2V;
DC Current:10mA±10mA; 0-20mA; 4-20mA; 12mA±8mA;
8. Output Parameters:E,R,PQ,C,S,Ua,Ub,Uc,Uab,Ubc,Uac,Ia,Ib,Ic,Pa,Pb,Pc,Qa,Qb,Qc,Ca,Cb,CC,Sa,Sb,Sc
9. Accuracy Grade: Current, voltage 0.2%; reactive/active power /power factor 0.5%
10. Response Time: 200ms;
11. Auxiliary Power Supply: DC 12V; DC 24V;
12. Static Current: 65mA;
13. Operating Temperature: 0-50 ℃;
14. Communication Protocol: Modbus – RTU;
15. Baud Rate: 300, 600, 1200,2400, 4800, 9600,19200,38400,57600,115200;
16. Parity Bit: odd, even, none;
17. EMC Index:
Surge: power supply port, communication port, analogue output port, input port, ±2KV;
Highest Grade: 3;
EFT(Electrical Fast Transient)protection: ±2KV;
18. Stop Bit:
Odd Parity 1 stop bit;
Even Parity 1 stop bit;
None Parity 1 stop bit; None Parity 2 stop bite;
19. Address: 1 – 247;
20. Voltage Insulation: dc 2500V; 1 minute;
21. Temperature Drift: 100 PPM;
22. Output Ripple: 10mV;
23. Mounting: DIN rail 35mm mount.
