- Acrel Electric Co., Ltd
-
Shanghai, China
- Main products: Hall Sensor, Split Core Current Transformer, AC Energy Meter, DC Energy Meter, IoT Wireless Power Meter, PV/Solar Inverter Energy Meter, Data Center Power Meter, Wireless Temperature Monitoring System and Sensors, Medical IT Products, City Utility Tunnel Moter Protector, Electrical Insulation Safety Products, Energy Quality Improvement
ChinaHome > Products > DC current/voltage/power/energy meter > Interface RS485 measure active energy of dc energy meter watt voltage for charging pile Class 1 work with 75mV shunt
Interface RS485 measure active energy of dc energy meter watt voltage for charging pile Class 1 work with 75mV shunt
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Product Description
DJSF1352-RN DC Dual-circuits Monitoring DIN Rail Energy Meter
Products 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
● 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 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.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, computers to form a measurement and control system. The meter can have 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 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 switch (Modbus protocol), programming and event setting records (645 protocol), instantaneous and timing freeze function of data (645 protocol), maximum and minimum value recording function of voltage and current power.
● 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
● Power Supply for Hall Effect CT
● Range: DC -12V ~ DC +12V
● Protocol: MODBUS-RTU
● 1 RS485 (standard)
● 2 DO (2A/30V DC; 2A/250V AC)
● 2 DI (dry contact)
● Parameter Display
● Programming Interface
● Parameter Display Setting
● Communication
Technical Parameter
Technical parameters | Index | ||||||
Input | Nominal value | Voltage input range | Current input | ||||
DC0-1000V | 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/250VAC | |||||
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 settings. 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/1min Power supply // Relay output // Voltage input // Current input 3kV/1min Pulse output // Communication interface // Switch input 2kV/1min | ||||||
Insulation resistance | ≥ 40M ? | ||||||
Average barrier-free working hours | ≥50000h | ||||||
Environment | Temperature | Normal operating temperature: -25 °C ~ +55 °C; Limit working temperature: -40 °C ~ +70 °C; Storage temperature: -40℃～+70℃ | |||||
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 |
Wiring Illustration
Wiring with Shunt
Wiring with Hall Sensor
Dimension & Installation
Note: The second DC input channel and DI and DO functions are optional.
The meter is designed by standard DIN35mm rail mounted.
Solution Structure
Solor PV Power Distribution Monitoring Solution
Practical Application in Solar PV with Energy Storage Inverter
Practical Application in Solar PV with on-grid Inverter
Practical Application in Twin EV Charger
Certification
Company Profile
FAQ
Contact Us
- Acrel Electric Co., Ltd
- Contact nameShelly Zhang Chat Now
- Phone86-21-18702111813
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