WB6830R2-NP can monitor the voltage, current, reactive power, apparent power, power factor, frequency and other parameters of the power grid, and the operation state of the power grid with wrong phase and phase breaking. When using this product, it must communicate through the RS-485 interface and according to the specified protocol to get the required digital electrical parameter value.
Product Terminals Identification Drawing
Terminals Definition
Terminals name | Mark | Definition |
Auxiliary power terminals | +E | Positive electrode of auxiliary power |
G | Grounding of auxiliary power | |
Detection terminal of AC voltage | Ua、Ub、Uc | A、B、C Inlet terminals of three-phase voltage |
Un | Common zero line | |
NC | No connection | |
Detection terminal of AC current | Ia+、Ia- | Inlet and outlet terminals of the A phase current |
Ib+、Ib- | Inlet and outlet terminals of the B phase current | |
Ic+、Ic- | Inlet and outlet terminals of the C phase current | |
RS485 Interface | A | RS485A |
B | RS485B | |
Output terminals of pulse | P + | Pulse output + |
P - | Pulse output - |
Auxiliary Power Wiring Drawing
Communication Wiring Drawing
Input Wiring Drawing
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Measurement network: 3 phase 4 wire, 3 phase 3 wire, single phase;
Input: AC 0～500V, AC 1A~5A (The range can be reached to 10A~400A after increasing the external CTs);
Frequency Range: 45Hz～65Hz
Accuracy: Voltage & Current: 0.2%, Frequency: 0.02Hz,
Active/Reactive/Apparent Power: 0.5%,
Active / Reactive Electric Energy: Class 1 / Class 2,
Harmonic: Grade B (GB/T14549-93), 2~31 times.
Auxiliary Power: DC +12V, +24V (See product label);
Communication Mode: Half-duplex, RS485;
Communication Protocol: MODBUS-RTU, DL/T645-1997 (2007) (optional);
Baud Rate: 2400/4800/9600/19200BPS, DIP switch (default: 9600BPS);
Ambient Temperature: -25℃～+70℃;
Mounting: DIN rail 35mm or M3 screw;
Weight: 250g.
