Acrel DJSF1352-RN 1000V DC Power Meter with RS485 Modbus-RTU UL/MID Approved for Charging Station and Battery Monitoring
·Charging pile and Solar PV scenario
·Full DC electrical parameter monitoring
·Integrated shunt
·Maximum 1000V voltage
·Direct connection of DC 600A or 300A
·Rail-mounted installation
Overview
DJSF1352-RN DC Dual-circuits Monitoring DIN Rail Energy Meter
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DJSF1352-RN rail-mounted DC power meter with double DC input channels, designed for telecommunications base stations, DC charging piles, solar photovoltaic, and other applications, this series of meters can measure the voltage, current, power and forward and reverse energy and so on in the DC system. For the actual use of the site, you can measure the total power, but also measure the energy within a specified period of time. The test results can be used for local display, but also with industrial control equipment, and computers to form a measurement and control system. The meter can have an infrared communication interface and RS-485 communication interface and supports Modbus-RTU protocol and DLT645-97 (07) protocol at the same time.
The meter can have a relay alarm output and digital input function; You can set the ratio, alarm, and communication through the meter panel keys according to different requirements. The meter can have event recording of the switch (Modbus protocol), programming and event setting records (645 protocol), instantaneous and timing freeze function of data (645 protocol), and maximum and minimum value recording functions of voltage and current power.
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Description |
Optional Function |
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● 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) ● 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 |
● The second DC energy metering ● DI/DO Function: 2-channel DI&2-channel DO |
More Details
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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 |
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Built-in Bipolar Power Source ● Power Supply for Hall Effect CT ● Range: DC -12V ~ DC +12V |
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Optional Dual RS485 Communication ● Protocol: MODBUS-RTU ● 1 RS485 (standard) |
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DO/DI Function ● 2 DO (2A/30V DC; 2A/250V AC) ● 2 DI (dry contact) |
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LCD Display ● Parameter Display ● Programming Interface |
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Keypads HMI for Programming ● Parameter Display Setting ● Communication |
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Technical Parameter
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Technical parameters
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Index
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Input
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Nominal value
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Voltage input range
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Current input
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DC0-1000V
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Shunt:0-75mV
Hall sensor:0-20mA,4-20mA,0- 5V,0-10V and so on.
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Overload
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1.2 times rated(continuous);2 times rated/1 second;
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Power consumption
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Voltage:≤0.2VA, Current:≤0.1VA
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Accuracy class
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class 1
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Function
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Display
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8-bit segment LCD screen (LCD)
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Communication Interface
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RS485, infrared
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Communication protocol
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Modbus-RTU, DL/T 645-2007
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Switch
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Switch output
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2 Relay outputs, 2A/30VDC or 2A/250VAC
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Switch input
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2 dry contact inputs
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Pulse output
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A second pulse output, an energy pulse output
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See the SYS->PLUS display in the meter menu settings. For example, The meter displays 100, which is 100imp/kWH
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Power Supply
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Voltage range
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AC/DC 85-265V or DC24V(±10%) or DC48V(±10%)
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Power consumption
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≤ 3W
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Power frequency withstands voltage
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Power supply // Voltage input // Current input // Relay output and switch input // Communication interface / / Pulse output
3kV/1min Power supply // Relay output // Voltage input // Current input 3kV/1min Pulse output // Communication interface // Switch input 2kV/1min |
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Insulation resistance
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≥ 40M Ω
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Average barrier-free working hours
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≥50000h
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Environment
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Temperature
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Normal operating temperature: -25 °C ~ +55 °C; Limit working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃~+70℃
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Humidity
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≤93%RH, no condensation, no corrosive gas
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Altitude
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≤2500m
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Maximum power
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999.9W
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10000
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imp/kWh
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9.999kW
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1000
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imp/kWh
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99.99kW
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100
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imp/kWh
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999.9kW
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10
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imp/kWh
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Dimension & Installation
Wiring Chart
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Wiring with 75mV Shunt |
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Wiring with Hall Sensor 4-20mA or 0-5V |
Solution Structure
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Solar PV Power Distribution Monitoring Solution |
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Practical Application in Solar PV with Energy Storage Inverter |
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Practical Application in Solar PV with on-grid Inverter |
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Practical Application in Twin EV Charger |
Application
Certification
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T306 DJSF1352-RN-P1 Installation and Operation Instruction.pdf
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T255 DJSF1352-RN Installation and Operation Instruction.pdf
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