Dual DC Input Channels Rail-Mounted Power Meter for Telecom Tower

• Customization: Available
• Input Voltage: DC0-1000V
• Input Current: Split: 0-75mA; Hall: 0-20mA, 4-20mA, 0-5V, 0-10V
• Model NO.: DJSF1352-RN
• Auxiliary Power: DC24V, DC48V, AC/DC85V-265V
• Interface: RS485, Infraed
• Protocol: Modbus-RTU, Dl/T645-2007
• Switch Value: 2di/2do
• After-Sales Service: Yes
• Type: Fast EV Charging Station
• Certification: CE, ISO, RoHS
• Warranty: 2 Years
• Transport Package: Carton
• Specification: DC
• Trademark: Acrel
• Origin: China
• HS Code: 9030849000
• Production Capacity: 200000
• Package Size: 17.00cm * 15.00cm * 13.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

 Measurement: kWh, kVarh, Power, Current, Voltage and etc

 Current Rating: -/75mV (with Shunt); -/4~20mA (with Hall Sensor)

 Voltage Rating: 0~1000V DC

 Application: DC Battery; Charging Pile; Solar PV and etc

 Communication: RS485 (MODBUS-RTU)

 Extra Function: Dual DC Circuits Monitoring; Secondary RS485 (MODBUS-RTU); Built-in Bipolar Power Source (for Hall Sensors); DO/DI Function

 Display: LCD Display

 Dimension: 72*71*87.8mm (L*W*H)

 Installation: 35mm DIN Rail

 Power Supply: 85~265V AC/DC; 24V(±10%) DC; 48V(±10%) DC

 Standard&Certificate: CE

 

DJSF1352-RN rail-mounted DC energy and power meter with double DC input channels, designed for telecommunications base stations, DC charging piles, solar photovoltaic and other applications.

 

DJSF1352-RN smart DC energy meters can measure the voltage, current, power and forward and reverse energy and so on in the DC system. 

 

 

DC Meter Function & Parameter

Dual Independent DC Circuits Monitoring

 For Twin EV Charger&Battery

 Voltage Input:DC 0~1000V

 Current Input (by Shunt): 0~75mV

 Current Input (by Hall Sensor): 0~5V, 0~10V, 0~20mA, 4~20mA

Built-in Bipolar Power Source

 Power Supply for Hall Effect CT

 Range: DC -12V ~ DC +12V

Optional Dual RS485 Communication

 Protocol: MODBUS-RTU

 1 RS485 (standard)

DO/DI Function

 2 DO (2A/30V DC; 2A/250V AC)

 2 DI (dry contact)

LCD Display

 Parameter Display

 Programming Interface

Keypads HMI for Programming

 Parameter Display Setting

 Communication

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, a 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 withstand 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: -40ºC~+80ºC
	Humidity	≤93%RH, no condensation, no corrosive gas
	Altitude	≤2500m

Pulse constant

 

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

Network

Practical Application in Solar PV with Energy Storage Inverter

Practical Application in Solar PV with on-grid Inverter

DC Power Meter Installation

 

Wiring with Shunt

Wiring with Hall Sensor

 

DC Power Meter Application

Solar PV Power Distribution Monitoring Solution

 

 

Company Profile

Acrel Co., Ltd.[stock code: 300286.SZ] is a high-tech enterprise that integrates R&D, production, sales, and service, since its establishment, is committed to providing users with energy efficiency management and powerful security system solutions. Acrel Electric has a complete production line from cloud platform software to sensors.

Acrel energy efficiency management system including substation operations and maintenance cloud platform, electricity safety management cloud platform, Environmental equipment power consumption monitoring cloud platform, prepaid management (system) cloud platform, intelligent power distribution monitoring system, power quality management system, building energy consumption management system, industrial energy control platform, leakage power monitor and control system, fire-fighting device power monitoring system, fire-proof door monitoring system, emergency lighting and evacuation indicating system, EV charger management system, data center power&environment monitoring system, smart lighting control system, IT isolation power supply system and related products.