885-0126 AES CAB BAU Overview and EMS/MGC Integration Guide

Cluster Cell Voltage Details

The following supports Modbus Function Code 03 (Read Holding Registers) only.

Register Address

Data Type

Description

Data Unit

Note

P+1

UINT16

Single Cell Voltage 1

mV


P+2

UINT16

Single Cell Voltage 2

mV


P+3

UINT16

Single Cell Voltage 3

mV


...

UINT16

...

mV


P+m

UINT16

Single Cell Voltage m

mV

m ≤ 500 (max number of cells per cluster)

Additional info:

  • Offset formula: P = 10000 + 500 × n

    • n = cluster index (0 to 31)

    • P+1 to P+500 represent cell voltages within that cluster