885-0142 AES CAB BCU Modbus Communication Protocol

Appendix 6. Battery Pack Cell Temperature Details

Offset address P = 30000 + 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 temperature 1

°C
sent to bms = actual temperature +40


P+2

UINT16

Cell temperature 2

°C
sent to bms = actual temperature +40


P+3

UINT16

Cell temperature 3

°C
sent to bms = actual temperature +40


:

UINT16

:



P+m

UINT16

Cell temperature m

°C
sent to bms = actual temperature +40

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