| Customization: | Available |
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| After-sales Service: | 2 Year |
| Warranty: | 2 Year |
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RS485 communication interface
Supports Modbus-RTU protocol
Relay alarm output and digital input function
Set the ratio, alarm, and communication through the meter panel keys according to different requirements
Event recording of switch (Modbus protocol), programming and event setting records, instantaneous and timing freeze function of data, maximum and minimum value recording function of voltage and current power
DJSF1352-RN DC energy meter is designed with double DC input channels. It can measure all electrical parameters, total value, and values in different time periods in DC systems. It can be connected to Hall sensor or shunt, the voltage can be 1000VDC. It has RS485(Modbus-RTU) communication and provides power supply for matched hall sensors. The meter has extra optional function as dual DC circuits monitoring, secondary RS485 (Modbus-RTU); DO/DI function. The meter has been used in many base station projects of American Tower, TASC Towers, Helios Towers, IHS Towers, Orange, Vodafone, Edgepoint.
| 1 | DC voltage, current, power measurement |
| 2 | Forward and reverse energy measurement |
| 3 | 8-bit segment LCD screen |
| 4 | RS485, infrared 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 |
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| 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, infraredRS485, 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 |
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| 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: -40ºC~+80ºC |
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| Humidity | ≤93%RH, no condensation, no corrosive gas | ||
| Altitude | ≤2500m | ||
| Wiring with Shunt | Wiring with Hall Sensor |
Solution for Charging Pile Energy Management System
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