SDM120-M

MID Din Rail Single Phase Multi-function Solar PV /Zero Export Meter for PV Metering

Multi-measurement: kWh,W, V, A, PF, Hz, dmd,etc.
For Solar PV Metering
2 Pulse Output +Modbus
Bi-directional Measurement
45A Max. Direct Load
1 Module 18mm Width
MID approved
1P2W

400-996-9296

SDM120-Modbus / Mbus / Pulse

SINGLE PHASE MULTI-FUNCTION ENERGY METER

The SDM120-M is a MID Din Rail Single Phase Multi-function Solar PV /Zero Export Meter with RS485 output for PV metering. It measures active energy, reactive energy, current, voltage, power, power factor, frequency, etc. The units support Max. 45A direct connection, saving the cost and avoiding the trouble to connect external CTs. Two pulse outputs and 1 communication port (RS485 Modbus/DLT645) are provided for remote monitoring and setting, popular with single phase solar power system.

The unit has been approved to meet the requirements of EU Directive 2014/32/EU.

Electrical Characteristics
Type of Measurement	RMS on single phase AC system (1P+N)
Measurement Accuracy	Voltage	±0.5%
	Current	±0.5%
	Frequency	±0.2%
	Power Factor	±1%
	Active Power	±1%
	Reactive Power	±1%
	Apparent Power	±1%
	Active Energy	Class 0.5/1 IEC62053-21 Class C/B EN50470-3:2022
	Reactive Energy	Class 2 IEC62053-23

Input & Output
Input	Current	Rated Current (Ib/Iref)	5A
		Max Current(Imax.)	45A
		Min Current(Imin.)	0.15A
		Starting Current	40mA
	Voltage	Rated Voltage (Un)	230V
		Operational Voltage	85~276V AC
Output	SDM120P	2 Pulse Output for imp/exp. energy
	SDM120M	2 Pulse Output + RS485 Modbus
	SDM120MB	2 Pulse Output + M-bus EN13757

Modbus Communications
Interface Standard and Protocol	RS485 and MODBUS RTU
Communication Address	1~247
Transmission Distance	1000m Maximum
Baud Rate	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
Transmission Speed	300bps~9600bps
Parity	None (default), Odd, Even
Stop Bits	1 or 2
Response Time	<100 mS

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