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Huawei Batteries

Huawei Batteries

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Supported Models

ESM-48200A1  

Communication Method

RS485 (Modbus)

Wiring Diagram

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Physical Installation

  1. The LAN cable is used for communication and battery reading. One end of the cable has an RJ45 connector, while the opposite end remains open. Below are the LAN cable pins designated for RS485 communication.

    • Pin 1&4 - RS485 A

    • PIN 2&5 - RS485 B

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  1. Connect the LAN cable to the COM OUT port of the battery (the LAN port on the right). Ensure that the right-side connector is used to connect the first battery to the computer, while the left-side connector is designated for linking the first battery to the second, third, fourth, and so on.

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  1. Connect the RS485 communication cable as referenced in Step 1 above.

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Device Configuration

  1. Download and open the Huawei Maintenance Tool Platform.

  2. Select the Language, COM port, and Device (Lithium Battery), then click Connect.

  3. You will be logged into the battery interface, as shown below.
    Note - By logging into the battery, you can view key values such as voltage and current. This allows you to compare these readings with the values displayed on the Power Center to ensure accuracy and consistency.

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Power Center Configuration

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ID Assignments

Battery

Physical ID

Virtual ID

Baudrate

1

214

70

9600

2

215

71

9600

3

216

72

9600

4

217

73

9600

5

218

74

9600

6

219

75

9600

Supported Parameters

Power Center Parameters

System Parameters

Remarks

Power Center Parameters

System Parameters

Remarks

Voltage

Smart_Battery_X.Voltage [V]

 

Current

Smart_Battery_X.Current [A]

 

Battery_Rated_Capacity

Smart_Battery_X.Total Capacity

 

Cells_Count

Smart_Battery_X.Total Cell

 

Battery_SOC_Percentage

Smart_Battery_X.SOC

 

Temperature_1

Smart_Battery_X.Temperature_Max [Celsius]

Max Cell Temp

Temperature_2

Smart_Battery_X.Temperature_Min[Celsius]

Min Cell Temp

Status

 

Module Mode: 0: hibernating; 1: low power; 2: charge; 3: discharge; 4: standby; 0xFFFF: unknown

Alarms List

TBA

Manufacturer Data