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Smart DC electric energy meter

AMB Smart Direct-current Bus Bar Monitor is a new development to cater for smart power bus bar.
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Smart DC electric energy meter

AMB Smart Direct-current Bus Bar Monitor is a new development to cater for smart power bus bar. It consists of a feeding detection module and a tapping detection module and integrates functions of conventional power measurements, electricity monitoring, consumption assessment and control. It also boasts the online alarm function and enables the independent off-line operation. It monitors the bus bar interface temperature in real time.

By virtue of 2 RJ45 communication ports (1 in and 1 out) and MODBUS-RTU protocol, it is easy and reliable to upload the monitoring data to the touch screen of the main controller for centralized monitoring, ensuring safe and reliable operation of the system. The smart bus bar monitor has several benefits such as flexible and convenient wiring so that it is a good substitution of the traditional centralized array cabinet.




Dimension drawings of Smart DC electric energy meter

   

RS485/Modbus-RTU Communication                                  LORA Communication




Typical connection of Smart DC electric energy meter


Technical parameter of Smart DC electric energy meter

Technical parameters

AMB100-D-□/AMB110-D-□

Measured parameters

Voltage, current, power, electric energy, on/off status

Voltage

Rated value

48VDC, 240VDC, 336VDC

Range

±20%

Overloading

1.2 times than the rated voltage value continuously or 2 times than the  rated voltage value instantaneously per

second

Current

CT

5V (Hall transducer)

Range


Overloading

1.2 times than the rated current value continuously or 10

times than the rated current value instantaneously per second

Measurement accuracy

Voltage/current: grade 0.5; power/energy: grade 1.0

Auxiliary power supply

AMB100/110-D(/W): triggered upon receipt of request signal

AMB100/110-D(/W)-P1: follow the bus bar voltage

Functions

Temperature

detection

-20-150℃

Leakage

5VDC, 3 leakage inputs

Digital input

4 dry-contact inputs

Digital output

2relayoutputs;contactcapacity:3A/30VDC,

3A/250VDC

Communication

Via RS485/Modbus-RTU or LORA antenna

Installation

Use DIN35mm rail

Protection

IP20

Pollution level

2

Environment

Temperature/ humidity/ altitude

Working temperature: -20-+60℃ Storage temperature: -25-+70℃ Relative humidity: ≤93%

Altitude: ≤2500m

Safety

Insulation

The minimum insulation resistance between all terminals

and conductive components of the shell is 100MΩ.

Withstanding voltage

When a voltage of 2kV AC is applied between the voltage/ current input, relay output, RS485 port, auxiliary power supply and digital inputs, the leakage shall be less than 2mA and no breakdown or flashover shall occur in

1min..

Electromagnetic immunity

Electrostatic

discharge immunity

Class 4

Radio frequency electromagnetic

immunity

Class 3

Transientburst

immunity

Class 4

Surge immunity

Class 4

Note 1. Hall leakage transducer must be equipped with auxiliary power supply.

Note 2. The electric energy is added in 5A/5V. Operate the touch screen to view the electric energy at the primary side, if desired.


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