Single Phase Multi-function Energy Meter with RS485 Modbus RTU

Electrical Characteristics

Type of Measurement

RMS on single phase AC system (1P+N)

Measurement Accuracy

Power

1% of range maximum

Active Energy

IEC 62053-21 Class 1.0/ EN50470-1/3 Class B

Reactive Energy

IEC62053-23 Class 2, IEC 61557-12 Class 2

Frequency

0.2% of mid-frequency

Current

0.5% of range maximum

Voltage

0.5% of range maximum

Power Factor

1% of unity (0.01)

Input & Output

Input

Current

Rated Current (Ib/Iref)

10A

Max Current(Imax.)

100A

Min Current(Imin.)

0.5A

Starting Current

40mA

Voltage

Rated Voltage (Un)

230V

Operational Voltage

80%~120% of Un

Output

SDM210M:

2 Pulse Output + RS485 Modbus

RS485 Modbus Communications

Communication Address

1~247

Transmission Distance

1000m Maximum

Transmission Speed

2400bps~38400bps, Default:9600bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2

Response Time

<100 mS