RS485 Modbus Din Rail Three Phase Multi-function Energy Meter

Electrical Characteristics

Type of Measurement

RMS on three phase AC system (3P4W)

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

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

CT Type

CT Primary

1-9999A

CT Secondary

1A/5A

Min Current

0.25A

Starting Current

10mA

Direct Type

Rated Current

10A

Max Current

100A

Min Current

0.5A

Starting Current

40mA

SDM72D-M

2 Pulse Output + RS485 Modbus

SDM72CT-M

2 Pulse Output + RS485 Modbus

Modbus Communications

Interface Standard and Protocol

RS485 and MODBUS RTU

Communication Address

1~247

Transmission Distance

1000m Maximum

Transmission Speed

1200bps~9600bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2