Single-phase WiFi MQTT Meter for EV Charger

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Acrel is one of the best supplier for me. They are so easy to communicate and very friendly. They even give an online tour of their factory. Looking forward for more business together in the future.

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Philippines
My first contact with ACREL was through Mrs. Feeling Chang. He was extremely friendly, approachable and very helpful. It will be the beginning of a long partnership between Bikoelectronics and Acrel.

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Portugal
“ For over 4 years working with Acrel, they have continuously demonstrated excellent technical ability while ensuring superior customer service. Their collaborative approach and real time flexibility in adapting to changing conditions has contributed to the success of many project goals. "

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Philippines
Cloud Platform for Power IoT is a synchronous integrated solution from energy meter installation to web interactive interface that can see the benefits of features with the first click mouse. Very convenient and fast. I will be with this product for a long time.

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Vietnam

Highlight

What’s the Highlight of Single-phase WiFi MQTT Meter for EV Charger?

Basic Measure

1-phase Active&Reactive Energy
Active & Reactive Power
Current, Voltage, Frequency
Power Factor, Apparent Power

Wireless Communication

4G LTE & GRPS
WIFI(2.4&5G HZ)

Expanded Function

DI/DO
Cable Temperature
Residual Current

Alarm Function

Over / Under Power
Current; Voltage
Phase Lose

MQTT JSON

Comm.

communication process

Login
Calibration time
Request the configuration version
Update the configuration
Data / Alarm / Synchronize time

ps: Step 4 can skip if the configuration version is the same.

Upload

equipment to the platform

Parameter upload
Heart upload
Data upload
Alarm upload

Issue

platform to the equipment

Gateway firmware update
Restart instructions
Request version number (gateway scheme use only)
Get / upload the gateway configuration information
Get / upload the downlink configuration parameters
Transtransmission
Issue control messages

List of data upload items (addible)

Data Name	Character Iidentification	Unit	Data Type
a phase voltage	ua	V	float
b phase voltage	ub	V	float
c phase voltage	uc	V	float
n phase voltage	ub	V	float
a phase current	ia	A	float
b phase current	ib	A	float
c phase current	ic	A	float
n phase current	in	A	float
A-phase active power	pa	KW	float
The b-phase active power is used	pb	KW	float
The c-phase active power is used	pc	KW	float
Total active power	p	KW	float
A-phase reactive power	qa	KW	float
The b-phase reactive power is used	qb	KW	float
The c-phase reactive power is used	qc	KW	float
Total reactive power	q	KW	float
The A-phase power factor	pfa		float
The b-phase power factor is shown	pfb		float
The c-phase power factor	pfc		float
Total power factor	pf		float
Total positive active power level	wh	KWH	float
Total reverse active power level	wl	KWH	float
Total positive reactive power level	varh	KWH	float
Total reverse reactive power level	varl	KWH	float
temperature A	ta	℃	float
temperature B	tb	℃	float
temperature C	tc	℃	float
Single phase voltage	u	V	float
unidirectional current	i	A	float

Function

What’s the Function of Acrel ADW310 series Single-phase WiFi MQTT Meter for EV Charger?

Online&Remote Energy Monitoring

● Paired with Acrel IoT Energy Monitoring System

● PC Access via IoT EMS WEB

● Mobile Phone Access via IoT EMS APP

● 4G Wireless Communication (Global)

● WiFi Wireless Communication (2.4GHz)

● Support MQTT, MODBUS-TCP protocol

● Support standard RS485 interface (MODBUS-RTU)

Multiple Extra Function

● 1-channel DO (Digital Output)

● 1-channel DI (Digital Input)

● 2-channel Cable Temperature Monitoring

● Active Pulse Output

Alarm Function

● Over/Under Current

● Over/Under Voltage

● Over/Under Power

Parameter

What’s the Parameter of the Acrel ADW310 series Single-phase WiFi MQTT Meter for EV Charger?

Function Overview

Function

Description

Measurement

（Standard）

Single-phase AC Active&Reactive Energy (both forward and backward), Active Power, Reactive Power, Current, Voltage, Frequency, Power Factor, Apparent Power, Frequency

Measurement

(Optional)

Temperature Measurement:2-channel (Live line,Neutral line) Cable Temperature Monitoring; Thermistor:NTC; Range: -40~+99℃; Accuracy:±2℃

Communication

(Standard)

RS485 Port with Modbus-RTU protocol – 1 start bit,8 data bits,1 stop bit, no parity; Baud Rate 1200~38400 bps, etc.

Infrared Communication – Constant Baud Rate 1200 bps

Communication

(Optional)

4G LTE – Normal Communicaiton Module Support: LTE-FDD: B1/B3/B5/B8; LTE-TDD:B34/B38/B39/B40/B41

4G LTE – Global Communication Module Support: LTE-FDD: B1/B3/B5/B7/B8/B20/B28; LTE-TDD: B38/B40/B41

WiFi – Support 2.4GHz or 5GHz

Protocol (For wireless Communication): MQTT and MODBUS-TCP

Display

(Standard)

LCD Display and LED Indicator

HMI

(Standard)

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

Software

(Standard)

Adjustment Software: Setting of Data Upload Interval, WiFi configuration (Account&Password), Server Address, Port and etc

Alarm Function

(Standard)

Undervoltage, Overvoltage, Undercurrent, Overcurrent, Underload, Overload, Communication Disconnection and etc

I/O Function

(Optional)

1-channel DI (Digital Input)

1-channel DO (Digital Output)

Main Parameters

Parameter	Description&Value
Voltage Input	Rated Voltage	220~264Vac L-N
	Reference Frequency	45~65Hz
	Power Consumption	＜0.5VA (each Phase)
Current Input	Rated Current	20(100)A AC
	Starting Current	1% Ib (Class 0.5); 4% Ib(Class 1)
	Power Consumption	＜1VA (each Phase)
Phase Wiring	1P2W	1-phase 2-wire
Measurement Performance	Standard	GB/T17215.322-2008，GB/T17215.321-2008
Measurement Performance	kWh Accuracy	Class 1
Pulse	Width of Pulse	80±20ms
Pulse	Pulse Constant	1600imp/kWh;

Environment

Condition	Description&Value
Temperature	Operating Temperature: -25℃～+55℃; Storage Temperature: -40°C ~+70°C
Humidity	≤95%RH, no condensation, without corrosive gas
Altitude	≤ 2000m

Network

How does Acrel ADW310 series Single-phase WiFi MQTT Meter for EV Charger work?

Installation

How to Install the Acrel ADW310 series Single-phase WiFi MQTT Meter for EV Charger?

Specification	Dimension (mm)					Perforation size (mm)		Tolerance (mm)
Specification	W	H	D	M	N	Φ1	Φ2	Tolerance (mm)
AKH0.66-K/φ10N	27	44	32	25	36	10	9	±1
AKH0.66-K/φ16N	31	50	36	27	42	16	17	±1

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