SINGLE-PHASE MULTI-FUNCTION ENERGY METER
The SDM230-Modbus is an RS485 100A Din Rail Single Phase Multi-function Energy Metre with RS485 Modbus/DLT645 output and RS485 Modbus/DLT645 input. It calculates active and reactive energy, current, voltage, power, power factor, frequency, and so on. The units offer direct connections up to 100A, saving money and eliminating the need to connect external CTs. For remote monitoring and setting, two pulse outputs and one communication port (RS485 Modbus/DLT645) are supplied, making it appropriate for monitoring energy use in residential, solar PV, EV Charging systems, industrial, and utility applications.
ELECTRICAL CHARACTERISTICS
| Type of Measurement |
RMS on single-phase AC system (1P+N) |
| Measurement Accuracy |
Power |
1% of the 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 |
SDM230-Pulse |
2 Pulse Output for imp/exp. energy |
| SDM230-Modbus |
2 Pulse Output + RS485 Modbus |
| SDM230-Mbus |
2 Pulse Output + M-bus EN13757 |
| SDM230-2T |
2 Pulse Output + RS485 Modbus + 2 Tariffs (Dual Power Source) |
| SDM230M-DI |
2 Pulse Output + RS485 Modbus + Digital Input |
| SDM230-Lora |
2 Pulse Output + LoraWAN |
RS485 MODBUS COMMUNICATIONS
| Communication Address |
1~247 |
| Transmission Distance |
1000m Maximum |
| Transmission Speed |
1200bps~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 |
WIRING AND DIMENSION
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