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

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SDM230-Modbus

SINGLE-PHASE MULTI-FUNCTION ENERGY METER

ELECTRICAL CHARACTERISTICS

INPUT & OUTPUT

RS485 MODBUS COMMUNICATIONS

M-BUS EN13757-3 COMMUNICATIONS

WIRING AND DIMENSION

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SDM230-Modbus

SINGLE-PHASE MULTI-FUNCTION ENERGY METER

ELECTRICAL CHARACTERISTICS

INPUT & OUTPUT

RS485 MODBUS COMMUNICATIONS

M-BUS EN13757-3 COMMUNICATIONS

WIRING AND DIMENSION

SHIPPING LIST

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