Acrel ADW300 Three-Phase DIN Rail Energy Meter with RS485/4G/WIFI/LoraWAN

 

Measurement: 3-phase Active Power, Reactive Power, Current, Voltage, Harmonic and etc.

Rated Current: 3x5A AC

Rated Voltage: 380V/220V AC

Communication: RS485,4G,WIFI,LoraWAN

HMI Programming: Setting of CT/PT Ratio, Phase Wiring, Communication and etc

Application Scenario: Building, Factory, Commercial buildings, DB Room and etc

Standard&Certificate: CE; IEC; LVD

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Description
General
 
 

ADW300 wireless energy meters have multiple built-in communication modules (4G,WiFi,LoRaWAN) designed for different situation when paired with IoT energy management system or other demand for remote connection. Meanwhile, ADW300 can provide various extra function module and various electrical parameters measurement to meet different requests from the customers. Also, as the prove for quality, ADW300 is strictly compliant of the standard of IEC 62052-11; IEC62053-22; LVD.

 

Detail
 
 

 

Feature
 
 

 

 

 

 

 

 

Multiple Communication Methods

● 4G LTE

● WIFI (2.4GHz & 5GHz)

● LORAWAN (Support LW923, LW868)

● LoRa

● RS485 (MODBUS-RTU)

● Paired with IoT Energy Monitoring System

 

 

 

 

 

 

 

 

 

Power Quality Analysis

● Total Harmonic

● 2nd~31st Harmonic

● Voltage Unbalance

● Current Unbalance

 

 

 

 

 

 

 

 

 

Expanded Function

● 2-channel DO (Digital Ouput)

● 4-channel DI (Digital Input)

● 4-channel Cable Temperature Monitoring

● 1-channel Residual Current Measurement

 

 

 

 

 

 

 

 

 

 

 Alarm Function

● Over/Under Current

● Over/Under Voltage

● Over/Under Power

● Phase Loss

 

 

 

 

 

Wiring Diagram
 
 
 
 
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Dimension(Unit:mm)
 
 
Typical connection
 
 

 One step Direct solution

 LoRa-Based Indirect Solution

Acrel IOT Platform
 
 

1.System support all the meters across the country whose data has been sent to cloudserver through 4G,WiFi or Ethernet.

2.Remote meter reading and data collection.

3.Provide loT APP for mobile phone side and loT WEB for PC side

4.Generate energy data report of daily, monthly and annually period with year-on-yeay andperiod-on-period energy analysis.

5.Provide various alarm function to ensure a stable operation of the system and protect youlproperty.

6.Offer 3-month free trial of system with full technical support as for a test phase or pilotproject.

Remark:

1AcrelloT EMS WEB(For PC users):http://iot.acrel-eem.com/

2AcrelloT EMS APP(For mobile Users):https://play.google.com/store/apps/details?id=com.acrel.iotems

3.Test Account: AcrePassword:123456

View more

Common FAQ(ADW300)
 
 

Q:What's the biggest advantage of ADW300?

A:ADW300 has its built-in wireless communication module which allow it to realize 4G LTE, WiFi, NB-IoT, LoRa upstream communication without using extra IoT gateways. For the application scenarios when the meters can't be of centralized installation, ADW300 will usually be the best option for monitor 3-phase circuits that were far from each other.

 

Q:How should I deal with RS485 network communication malfunction?

A:First, check if the wiring of RS485 communication line was loosen or wired incorrectly.(like reversely wiring the A,B terminal).

Next,inspect if the meter’s setting of address, baud rate, check bit was correct by using keypads on the meter.

 

Q:What if LoRa communication of meters malfunctioned?

A:First, use USB to RS485 serial converter to connect the meter with computer. Then use adjustment software to check if setting of meter is on consensus with the setting of master station.(setting of channel and spreading factor--SF)

If setting remain the same, then it might be due to large interference of work site or the excessively far range between meter and host. In that case, it’s recommended to use chuck antenna or set a new master station nearby.

 

Q:What’s the difference between ADW300 and ADW300W

A:ADW300 has internal current transformers and can select compatible current transformer according to the site current to realized a secondary connection via CTs.

   ADW300W on the other hand, has external current transformers.(non-detachable or it will damage the meter) This kind of design extremely ease the wiring and installation if the work-site already has CTs.

 

Q:What do 3×57.7/100V,3×220/380V,3×380/660V,3×100V,3×380V,3×660V represent respectively?

A:The meter’s spec of 3*100V,3*57.7/100V is suitable for high voltage power system while pairing with PT(potential transformer or voltage transformer). Beside, 3*100V represent 3-phase 3-wire and 3*57.7/100V represent 3-phase 4-wire.

The meter’s spec of 3*220/380V,3*380/660V,3*380V,3*660V is suitable for low voltage power system(directly connect with meter). Meanwhile,3*380V,3*660V represent 3-phase 3-wire and 3*220/380V,3*380/660V represent 3-phase 4-wire.

Other Question? Please contact us and we will get back to you as soon as possible.

Parameter
Function Overview
Function
Description
Measurement
of
Energy
kWh  (positive and negative)
kvarh (positive and negative)
A,B,C 3-phase positive kWh
Electric Parameters
U, I, P, Q, S, PF, Hz
Harmonic
THDv, Harmonic on 2nd-31st
Pulse output
Active pulse output
3-Phase Imbalance
Voltage imbalance,current imbalance
Display
LCD display with 8 digits
Wireless Comms.
4G, WiFi, LoRA, NB-IoT (Optional), Support MQTT, MODBUS-TCP protocol
Wired Comms.
RS485 interface with MODBUS-RTU protocol (Standard)
Swtich
4 DI & 2 DO
Residual Current
1 way residual current measurement
Temperature
A,B,C,N. 4 ways temperature measurement
Optional function
C:RS485(Modbus-RTU)
K:4DI/2DO
T:4 channels of temperature measurement
L:1 channel of residual current measurement
U:Power outage alarm, 2DI/2DO
LR:Lora wireless communication
WF:WiFi wireless communication
4GHW:4G wireless communication
Technical Parameters
Parameter
Description&Value
 
 
 
 
Input 
Voltage
Nominal Voltage
For High Voltage: 3×57.7~69.24Vac L-N & 100~120Vac L-L 
(Paired with PT) 
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For Low Voltage:  3×220~264Vac L-N & 3x380~456Vac L-L 
(Direct Connect)   3×380~456Vac L-N & 3x660~792Vac L-L        
Frequency
50Hz~60Hz
Comsumption
<0.5 VA (Each phase)
 
Input
Current
3×1(6)A
1‰ Ib (Class 0.5S),4‰ Ib (Class 1)
<1VA (Each phase)
Auxiliary
Power
Power Supply
85~265Vac L-N
Power consumption
<2W
 
 
Measurement
Performance
Standard
IEC 62053-22:2003,IEC 62053-21:2003
Active Power Accuracy
Class 0.5S(ADW300)
Class 1(ADW300W)
Temperature Measuring Accuracy
±2℃
 
Pulse
Width of pulse
80±20ms
Pulse constant
6400imp/kWh , 400imp/kWh
 
 
 
 
Communication
Wireless
Communication
4G (built in world-wide 4G module for global server frequency bands)
WiFi (2.4GHz), LoRa, NB-IoT, RS485 (standard MODBUS-RTU)
Infrared
Communication
Constant baud rate 1200
Interface
RS485(A+、B-)
Connection Mode
Shielded twisted pair conductors
Protocol
MODBUS-RTU
 
Environment
Operating Temperature
-20℃~55℃
Storage Temperature
-40℃~70℃
Humidity
≤95% (No condensation)
Altitude
≤2000m

Download
  • CE of ADW300
  • IEC of ADW300
  • LVD of ADW300
  • ADW300 Manual
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