Product parameters
Product Details
EM series DC energy meters are designed for measuring and monitoring in DC systems. The din rail DC energy meters can measure of important DC parameters: Voltage, current, power and energy etc. It also support bi-directional measurement. All data in the meter are accessible via RS485 using Modbus RTU/DLT645. The meter working with DC power supply. Input voltage range up to 1000VDC, and current inputs are flexible with DC shunt. The multi-tariff version has a RTC equipped inside, it can provides multi-tariff information and monthly records.
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), It is suitable for DC energy metering of EV charging piles, battery, base station, solar panels and other devices with DC signals. It is also suitable for DC power distribution electricity system of mining industry, civil buildings, building automation system base and so on.
Product Parameters
Reference voltage: DC5V-1000V
Current: Measuring up to 2000A
Shunt Signal Input: 75mV(max)
Operation temp.: -25℃~+70℃
Accuracy class: Cl.1.0
Relative humidity: 95%
Communication: RS485 Communication
Communication protocol: DLT645/Modbus
Impulse constant: 1000 imp/kWh
LCD display: LCD 6+2
Power consumption: ≤0.4W,≤8VA
Features
RS485 communication: used for parameter setting, data reading; DTL645 protocol/Modbus Protocol
DC metering: using shunt sampling, high measurement accuracy; can measure DC power, current, voltage.
Alarm function: Over-current alarm: When the current exceeds the CT1 value set by the meter, an alarm event occurs, and the alarm light on the electrical surface panel lights up (yellow light), At the same time, the value of the corresponding alarm status register will change, and the user can read this register through communication to determine whether an over-current alarm has occurred.
Display: LCD with backlight ,Support Various parameters display,energy data and Instantaneous parameters
One channel relay out put (Used for over current cut off )
Firmware upgrade: RS485 local upgrade
