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Technology of Electrical Automatic

DCEM-7MS (DCPM) Multi-channels Isolated DC Meter

DCEM-7MS (DCPM) Multi-channels Isolated DC Meter

DCPM series DC meter is a DC energy meter for solar panels. It measures multi-parameters like current, voltage, power, energy, and frequency.

  • 8 or 24 DC Input Channels & Multi-tariff (RTC) Available
  • Voltage Input 75mV, 1V, 5V, 10V, 50V, 100V, 250V, 400V, 500VDC
  • Current input 1mA, 20mA, 100mA, 1A, 5A, 10A available
  • Precision Monitoring Solution for solar panels

DCPM series DC meter is a DC energy meter for solar panels. It measures multi-parameters like current, voltage, power, energy, and frequency.

  • 8 or 24 DC Input Channels & Multi-tariff (RTC) Available
  • Voltage Input 75mV, 1V, 5V, 10V, 50V, 100V, 250V, 400V, 500VDC
  • Current input 1mA, 20mA, 100mA, 1A, 5A, 10A available
  • Precision Monitoring Solution for solar panels

Overview

The DC energy meter for solar panels, a new design din-rail mounting DC metering device with 8 channels or 24 channels, uses high-speed isolation devices to isolate the signals of each channel. This DC meter can integrate data with the site server or remote SCADA by RS485 MODBUS protocol.

Blue Jay provides DCPM and DCPM-24. The DCPM is an 8-channel DC meter while the DCPM-24 is a 24-channel DC meter. The access of them is Directly access or external CT. The basic dimension is 120*110.5*50mm. To know more about the difference between them, contact us via info@cqbluejay.com

Feature of DCPM series DC Meter

  • Din-rail mounting design & compact size
  • Current signal: Directly input default 10ADC (Optional 1mA, 20mA, 100mA, 1A/5A) Voltage signal: 100-600V
  • 8 channels metering loop, each metering channel is isolated
  • 8-channel or 24-channel DC voltage and current measurement, capable of universal AC and DC measurements;
  • Seven acquisition speeds are adjustable, that is, all electrical parameters can be measured within a set time;
  • High reliability, each channel is isolated from each other, the power supply, communication, and the terminal under test are fully isolated, and the withstand voltage is greater than 2500V;
  • There are two options for setting address and baud rate using hardware DIP switch and software setting.
  • Provide DC voltage, current, power, and energy value in one
  • Record energy value in absolute value or signed value
  • Extremely low data refresh interval: 20ms per cycle
  • Support OEM & ODM service

Specification

Power Supply 9~30Vdc
Current Input Signal Current 1mA, 20mA, 100mA, 1A, 5A, 10ADC direct access
Over 10A use hall CT or Shunt
Voltage Input Signal 75mV, 1V, 5V, 10V, 50V, 100V, 250V, 400V, 500VDC
Sampling ratio 20ms, 40ms, 60ms, 80ms, 100ms, 400ms, 1000ms adjustment, default 100ms
Drive ability Voltage impedance> 2kΩ/V
Current input terminal voltage drop is less than 0.15V
Accuracy U / I 0.2%fs
P 0.2%fs
Energy 0.5%fs
Communication Port RS485 (2/3 wires half duplex)
Modbus RTU mode
Isolation withstand voltage >2500V DC
Alarms Outputs (Optional) NO contactor, load capacity 250VAC/30VDC/5A

Selectable Models

DCPM 8 channels metering
Hall CT or shunt connected
DCPM-24 24 channels metering
Hall CT or shunt connected

Downloads

Brochure of DCEM-SERIES-DC-ENERGY-METER

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