DDS102-3 Electric Power Distribution Monitor

DDS102-3 Electric Power Distribution Monitor
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General introduction:
DDS102-3 electric power distribution monitor is an electric power meter integrated with measurement and recording, electric energy metering, teleindication and telecontrol, LCD display and network communication. The monitor is primarily used in substation automation, industrial control and industrial automation system, energy management system, residential power monitoring, etc.

Technical specifications
Items Technical index
Measurement Voltage Reference voltage Un:AC380V, AC220V, AC100V, AC57.7V
Measurement range:10V~460V
Power consumption:< 0.05VA(single phase)
Accuracy: RMS 0.2 %
Resolution: 0.01V
Current Rated current In: 1A, 1.5A, 5A
Measurement range:0.001In~10A
Power consumption:< 0.05VA(single line rated current)
Accuracy: RMS 0.2 %
Resolution: 0.001A
Power
(active / reactive/ apparent)
Accuracy: 0.5%
Resolution: 0.001kW/kVar/kVA
Grid frequency Measurement range:45Hz~65Hz
Accuracy: 0.2%
Resolution: 0.01Hz
Metering Active electric energy Metering accuracy class: 0.5S
Resolution: 0.01kWh
Reactive electric energy Metering accuracy class: class 2
Resolution: 0.01kvarh
digital signal electric energy pulse output active electric energy pulse output
optocoupler isolation, 4000VRMS
Switch output
(optional)
1 channel electromagnetic relay output
normally open
Contact rating: AC 250V /3A; DC 30V /3A
Switch input 2 channel dry contact input
optocoupler isolation, 4000VRMS
analog signal Transmission (analog) output
(optional)
4 channel transmission output
current output type (4~20Ma or 0~20Ma or 0~24mA)
voltage output type (0~5Vor 0~10V)
accuracy: 0.5%
Communication RS-485 communication port
(optional)
Interface type: two-line half duplex
communication rate: 600bps~9600bps
Protocol: Modbus-RTU and DL/T-645
Environment Working temperature -25℃~+60℃
Limit working temperature -35℃~+70℃
Relative humidity ≤95%(RH)
Others Power supply AC or DC power supply
maximum input range: 40V~420V
Power consumption: ≤1W, 2VA
size Outline size(mm): 72×72×85 
Hole size(mm): 67×67
Weight About 300g

Main features
The monitor adopts high-precision sampling and measuring unit as well as high-speed MCU data processing unit, which can realize high precision, wide range and accurate measurement as well as fast data analysis.
Wide viewing angle LCD display is adopted to show richer contents.
Equipped with white backlight, the LCD display can meet the requirement of consulting data in dark environment.
nonvolatile memory is used to store all kinds of data, which can save data for a long time without losing data due to power failure.
Support RS-485 communication port and industrial standard communication protocol, convenient and flexible for network construction.
Different communication modules are optional to satisfy different interface requirements of various users.

Main funcitons
1. The monitor can measure voltage, current, power, power factor, frequency and other parameters of the grid.
2. Active and reactive electric energy can be measured.
3. Use RS-485 communication interface supporting MODBUS-RTU and DL/T645 dual communication protocol.
4. With switch input function, the monitor can configure functions of switch output and transmission output.

WILLFAR as a reliable electric power distribution monitor manufacturer, mainly manufacture meter data management and energy efficiency management instrument, like electrical power data logger, data concentrator, data collector, and power monitor, for smart data logging, power quality monitoring, data management and data transmission applications. WILLFAR company also provides custom energy management solutions as well as smart metering system in customer needs.

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