885-0142 AES CAB BCU Modbus Communication Protocol

Appendix 1. Battery Cabinet Data

NOTE

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

REGISTER ADDRESS

DATA TYPE

DATA DESCRIPTION

DATA UNIT

COMMENTS

1001

UINT16

Total cabinet voltage

0.1 V


1002

UINT16

Cabinet bus current

0.1 A

Offset + 32000

1003

UINT16

Cabinet SOC

0.1 %


1004

UINT16

Cabinet SOH

0.1 %


1005

UINT16

Positive insulation resistance of cabinet


1006

UINT16

Negative insulation resistance of cabinet


1007

UINT16

Highest cell voltage pack number



1008

UINT16

Max cell voltage BMU No



1009

UINT16

Serial number of the highest cell voltage in pack (box)



1010

UINT16

Max cell voltage

mv


1011

UINT16

Lowest cell voltage pack number



1012

UINT16

Min cell voltage BMU No



1013

UINT16

Serial number of the lowest cell voltage in pack



1014

UINT16

Min cell voltage

mv


1015

UINT16

Max cell temperature, pack number



1016

UINT16

Max cell temperature, BMU No



1017

UINT16

Max cell temperature, box serial number



1018

UINT16

Max cell temperature

°C +40°C


1019

UINT16

Lowest cell temperature, pack number



1020

UINT16

Min cell temperature BMU No



1021

UINT16

Min cell temperature, box serial number



1022

UINT16

Min cell temperature

°C +40°C


1023

UINT16

Max cell voltage difference

mv


1024

UINT16

Max cell differential voltage, pack number



1025

UINT16

Max temperature difference

°C


1026

UINT16

Max temperature difference, pack number



1027

UINT16

Max pack bus voltage

0.1 V


1028

UINT16

Max pack bus voltage, pack number



1029

UINT16

Min pack bus voltage

0.1 V


1030

UINT16

Min pack bus voltage, pack number



1031

UINT16

Max bus differential voltage

0.1 V


1032

UINT16

Max pack SOC value

0.1 %


1033

UINT16

Max SOC pack number



1034

UINT16

Min pack SOC value

0.1 %


1035

UINT16

Min SOC pack number



1036

UINT16

Number of sbcu packs in the cabinet


Real-time data

1037

UINT16

Number of sbmu in pack



1038

UINT16

Number of cells in sbmu



1039

UINT16

Cumulative number of temperatures in sbmu



1040

UINT16

Max limit current for cabinet charging

0.1 A


1041

UINT16

Max limiting current for cabinet discharge

0.1 A


1042

UINT16

Charge/discharge times



1043

UINT16

Charge energy in cabinet for the day

0.1 kWh


1044

UINT16

Discharge energy in cabinet for current day

0.1 kWh


1045

UINT16

Chargeable energy in cabinet

0.1 kWh


1046

UINT16

Dischargeable energy in cabinet

0.1 kWh


1047

UINT32

Cumulative charging energy of cabinet

0.1 kWh


1049

UINT32

Cumulative discharge energy of cabinet

0.1 kWh


1051

UINT16

Cabinet SOE

0.1 %