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DATA ADDRESS TABLE

NOTE

  • The start and end addresses in the table are inclusive. Both the start and end register numbers are included in the valid address range.

  • All addresses are expressed in decimal format, not hexadecimal. Use decimal values when configuring or querying the BMS via Modbus.

Start Address

End Address

Data Storage Instructions

Reference

1

1000

Provisionally reserved

1001

1100

Array (BAU) values and metrics, max 100 UINT16 data

Full Battery Array Metrics

1101

1200

Array (BAU) status and other data, max 100 UINT16 data

Full Battery Array Status

1201

1300

Reserved

1301

4500

Per Cluster metrics (BCU): 100 UINT16, max 32 clusters (100 × 32 = 3200)

Full Cluster Metrics

4501

5000

Battery cluster status

Full Cluster Status

10001

30000

BCU Cell voltage details, max 500 cells per cluster, 32 clusters (500 × 32 = 16000)

Cluster Cell Voltage Details

30001

38000

Temperature details, max 250 temps per cluster, 32 clusters (250 × 32 = 8000)

Cluster Cell Temperature

38001

50000

Reserved

50001

50300

Alarm parameters: 300 alarm fields

Alarm Parameter Information

50301

50400

System parameters: 100 reserved

System Operating Parameters

50401

50410

Time info: 10 reserved

Time Information

50501

52100

Cluster additional info: 50 fields × 32 clusters (50 × 32 = 1600)

Battery Cluster Control

52101

60000

Reserved

60101

60420

Relay status: 10 fields × 32 clusters (10 × 32 = 320)

Cluster Relay Status

61001

61100

Stack control data: 100 fields

Battery Stack Control

62001

62006

Liquid cooler operation status

TMS Status Information

62101

62105

Liquid cooler temperature and pressure data

TMS Data

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