885-0142 AES CAB BCU Modbus Communication Protocol

Appendix 5. Battery Pack Cell Voltage Details

Offset address P = 10000 + 500 * n (n represents the number of packs, 0 ≤ n < 32, n = 0 represents the first pack)

NOTE

The following data can only be accessed by the read function code 0x03.

PROCESSOR REGISTER ADDRESS

DATA TYPE

DATA DESCRIPTION

DATA UNIT

COMMENTS

P+1

UINT16

Cell voltage 1

mv


P+2

UINT16

Cell voltage 2

mv


P+3

UINT16

Cell voltage 3

mv


:

UINT16

:



P+m

UINT16

Cell voltage m

mv

m stands for the
maximum number
of cell
voltages in the
pack (≤ 500)