Acrel DJSF1352-RN DIN Rail DC Energy Meter with rs485

Name: DJSF1352-RN DIN Rail DC Energy Meter with rs485
Brand: Jiangsu Acrel Micro-grid Research & Development Institute

DJSF1352-RN DIN rail DC energy meter with rs485 adopts liquid crystal display and has RS485 function to exchange data with microcomputer. DJSF1352-RN DIN rail DC energy meter with rs485 is suitable for power measurement and energy metering of DC signal equipment such as charging pile DC metering, batteries, solar panels, etc. It can also be used in modern supply and distribution DC systems such as industrial and mining enterprises, civil buildings, and building automation.

Specification of DJSF1352-RN DIN Rail DC Energy Meter with rs485

Technical parameter

Pulse constant

Technical parameters			Indicators
Input	Nominal value	Voltage input range	Current input
		DC 0-1000V See the physical wiring diagram	Shunt：0-75mV； Hall sensor：0-20mA、4-20mA、0-5V，0-10V, and so on.
	Overload	1.2 times rated (continuous); 2 times rated/1 second;
	Power consumption	Voltage: ≤0.2VA, current ≤0.1VA
Accuracy class		Class 1
Function	Display	8-bit segment LCD screen (LCD)
	Communication Interface	RS485, infrared
	Communication protocol	Modbus-RTU， DL/T 645-2007
	Switch	Switch output	2 Relay outputs, 2A/30VDC or 2A/250VA
		Switch input	2 dry contact inputs
	Pulse output	A second pulse output, an energy pulse output
		See the SYS->PLUS display in the meter menu setting For example, The meter displays 100, which is 100imp/kWH
Power Supply	Voltage range	AC/DC 85-265V or DC24V(±10%) or DC48V(±10%)
	Power consumption	≤ 3W
Power frequency withstands voltage		Power supply // Voltage input // Current input // Relay output and switch input // Communication interface / / Pulse output 3kV/1minPower supply // Relay output // Voltage input // Current input 3kV/1minPulse output // Communication interface // Switch input 2kV/1min
Insulation resistance		≥ 40M Ω
Average barrier-free working hours		≥50000h
Environment	Temperature	Normal operating temperature: -25 °C ~ +65 °C; Limit working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃～+80℃
	Humidity	≤93%RH, no condensation, no corrosive gas
	Altitude	≤2500m

Maximum power	999.9W	10000	imp/kWh
	9.999kW	1000	imp/kWh
	99.99kW	100	imp/kWh
	999.9kW	10	imp/kWh
	9999kW	1	imp/kWh

Maximum power = rated voltage * voltage ratio * current ratio * 1.2

Features of DJSF1352-RN DIN Rail DC Energy Meter with rs485

DJSF1352-RN DIN Rail DC Energy Meter with rs485 can sample, measure and monitor electric energy parameters, and can communicate with inverters or energy management systems (EMS), and realize functions such as anti-backflow, power generation adjustment, and battery charge and discharge according to real-time power and accumulated electric energy;

DJSF1352-RN DIN Rail DC Energy Meter with rs485 adopts standard DIN35mm guide rail installation, which has the advantages of small size, convenient installation, and easy networking;

DJSF1352-RN DIN Rail DC Energy Meter with rs485 has a two-way metering function to realize household distributed photovoltaic energy management;

DJSF1352-RN DIN Rail DC Energy Meter with rs485 can be applied to new energy power generation systems such as photovoltaic grid-connected systems, micro-inverter systems, energy storage systems, and AC coupling systems.