RS485 Modbus Digital Input Din Rail Single Phase UL Energy Meter

Electrical Characteristics

Type of Measurement

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

Measurement Accuracy

Voltage

Current

±0.5%

Frequency

±0.2%

Power Factor

±0.01

Active Power

±1%

Reactive Power

±1%

Apparent Power

±1%

Active Energy

Class 1 or 0.5 IEC62053-21

Class B or C EN50470-3:2022

Reactive Energy

Class 2 IEC62053-23

Input & Output 

Input

Current

Rated Current (Ib/Iref)

10A

Max Current(Imax.)

100A

Min Current(Imin.)

0.15A

Voltage

Operation Voltage

230V AC

Output

SDM230-P

2 Pulse Output for imp/exp. energy

SDM230-M

2 Pulse Output + RS485 Modbus

SDM230-MB-2T

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

SDM230-2T

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

SDM230-DI

2 Pulse Output + RS485 Modbus + Digital Input

RS485 Modbus Communications

Communication Address

1~247

Transmission Distance

1000m Maximum

Transmission Speed

1200bps~115200bps

Parity

None (default), Odd, Even

Stop Bits

1 or 2

Data Bits

8