Acrel ACR10R Single & Three Phase Power Meter 120A with CT for Solis & Alpha ESS

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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
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 Acrel ACR10R-120A Single & Three Phase Power Meter 120A with CT for Solis & Alpha ESS?

Measure

Single phase & Three phase
Current, Voltage
Active Power, Reactive Power, Power Factor
Active Energy, Reactive Energy

Current

External Split core Current Transformer
D10-Φ10mm，80A
D16-Φ16mm，120A
D24-Φ24mm，200A
D36-Φ36mm，300A

Communication

RS485
MODBUS-RTU

Power Supply

85~265V AC or 100~350V

The data transmission is accomplished via the RS485 port using an RJ45 cable with only 2pin wiring.
The energy meter is powered directly from the mains voltage and along with the current measurement, your inverter will know the exact power demand (in watts)

Application

Solis

RHI-5G Series

Alpha ESS

Smile B3 & Smile5

Wiring

System Connection Wiring Diagram

The RHI-5G Series inverter uses RS485 cable to communicate with the Meter and CAN tocommunicate with the battery's BMS. The image below shows the assembly of the RS485/CANcommunication cables.

Procedure for connecting the CAN cable:

1. Take out the CAN cable (terminal marks 'CAN' on one end and 'to Battery' on the other end).

2. Unscrew the swivel nut from CAN port.

3. Insert the RJ45 terminal with CAN label into the CAN port, then fasten the swivel nut.

4. Connect the other end to the battery.

Procedure for connecting the RS485 cable:

1. Take out the RS485 cable (terminal marks 'RS485'on one end and 'to Meter' on the other end).

2. Unscrew the swivel nut from RS485 port.

3. Insert the Two-pin terminal with RS485 label into the RS485 port, then fasten the swivel nut.

4. Connect the other end to the Meter.

Connection

Detailed Cable Connection

The following ﬁgure illustrates how to connect the three-phase meter to a Solis High Voltage Inverter.

Setp 1

The ports 5-6, 7-8 and 9-10 are the CT cable connections. Please ensure the CTs are connected with the correct polarity and the corresponding grid phase. Also, please note the small arrow inside the CTs, shall be pointed towards the Grid (5-6 to La, 7-8 to Lb, 9-10 to Lc)

Step 2

1,2,3 and 4 are the voltage detection ports. Please connect the ports with the corresponding grid phases (1 to La, 2 to Lb, 3 to Lc, 4 to N)

Step 3

12 and 13 are the auxiliary power source of the meter, 13 should be connected to the Neutral Wire(N) while the 12 should be connected to line La on the inverter backup output

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Function

What’s the Function of Acrel ACR10R-120A Single & Three Phase Power Meter 120A with CT for Solis & Alpha ESS?

Used for distributed Solar PV

●Reflux Monitoring

● Harmonic Monitoring

Bidirectional Metering

● Active Energy

● Reactive Energy

● Active Power

● Reactive Power

RS485 Communication

● MODBUS-RTU Protocol

● Communicate with Inverter to realize anti-reflux Function

Current Transformer

● Paired with external split core CT

● Rated Voltage: AC 100V, 400V
D10-Φ10mm，80A
D16-Φ16mm，120A
D24-Φ24mm，200A
D36-Φ36mm，300A

LCD Display

● Parameter Display

● Programming Interface

Keypads HMI for Programming

● Parameter Display Setting

● Communication(address, baud rate and etc.)

Parameter

What’s the Parameter of the Acrel ACR10R-120A Single & Three Phase Power Meter 120A with CT for Solis & Alpha ESS?

Technical parameters			Indicators
Input	Net work		1-phase; 3-phase 3-wire,3-phase 4 wire
	Frequency		45～65Hz
	Voltage		Rating：AC 57.7V/100V(100V)、220V/380V(400V)
			Overload:1.2-fold rating(continuous);2-fold rating/1second
			Consumption:<0.2VA
	Current		Rating： 80A，120A，200A .etc（See specific product specifications,special parameters can be customized）
			Overload:1.2-fold rating(continuous);10-fold rating/1 second
			Consumption:＜ 0.2VA
Output	Electric energy		Output mode:Open-collector photocoupler pulse,two way output
			Three-phase	Pulse constant:4000、8000imp/kWh
	Communication		RS485 interface,Modbus-RTU Protocol
	Display mode		LCD
Function	Switching	Input	Four way dry contact input
		Output	Output mode: two way relay nO contact output
			Contact capacity：AC 250V/3A、DC 30V/3A
Measuring accuracy			Frequency0.05Hz、reactive electric energy1class、other 0.5class
Power supply			AC85～265V or DC100～350V；DC24V（±10%）；DC48V（±10%） Consumption≤10VA
Safety	Power-frequency withstand voltage		Power frequency withstand voltage between Auxiliary power and switch volume output and current input and voltage input and communication and pulse output and switch volume input terminal is AC2kV 1min；Power frequency withstand voltage between auxiliary power and switch volume output and current input voltage input terminal is AC 2kV/1min;Power frequency withstand voltage between communication and pulse output and switch volume input terminal is AC 1kV/1min;
	Insulation resistance		Input,Output terminal to housing>100MΩ
Environment			Working temperature：-10℃～+55℃；Storage temperature：-20℃～+70℃ Relative humidity：5%～95% No condensation；Altitude：≤2500m