RS485 Modbus Multi-tariff Din Rail Three Phase UL Energy Meter

Electrical Characteristics

Type of Measurement

RMS including harmonics on three phase AC system (3P, 3P+N)

Measurement Accuracy

Voltage

Current

±0.5%

Frequency

±0.2%

Power Factor

±1%

Active Power

±1%

Reactive Power

±1%

Apparent Power

±1%

Active Energy

Class 1/0.5 IEC 62053-21

Class B/C EN50470-3

Reactive Energy

Class 2 IEC62053-23

Input & Output 

Input

Current

Rated Current (Ib/Iref)

10A

Max Current(Imax.)

100A

Min Current(Imin.)

0.3A

Starting Current

40mA

Voltage

Rated Voltage (Un)

3*230/400V AC

Voltage Range

100 - 277V AC (L-N)

100 to 480V AC (L-L)

Output

SDM630-P

2 Pulse Outputs for imp/exp. energy

SDM630-M / MT

2 Pulse Outputs + RS485 Modbus

SDM630-MB

2 Pulse Outputs + M-bus EN13757

SDM630-2T

2 Pulse Outputs+ RS485 Modbus + 2 Tariffs (Dual Power Source)

SDM630-MB-2T

2 Pulse Outputs + M-bus EN13757 + 2 Tariffs (Dual Power Source)

SDM630-DI

2 Pulse Outputs+ RS485 Modbus + Digital Input

RS485 Modbus Communications

Communication Address

1~247

Transmission Distance

1000m Maximum

Transmission Speed

2400bps~38400bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2

Response Time

<100 mS

M-Bus EN13757-3 Communications

Communication Address

1~250

Transmission Distance

1000m Maximum

Baud Rate

300bps~9600bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2