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

Full Cluster Metrics (SBCU)

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

(relative to P)

Register Address

Data Type

Description

Unit/Notes

P+1

UINT16

Total Cluster Voltage

0.1 V

P+2

UINT16

Total Cluster Current

0.1 A, offset +3200

P+3

UINT16

Cluster SOC

0.1%

P+4

UINT16

Cluster SOH

0.1%

P+5

UINT16

Cluster Insulation Positive Resistance

P+6

UINT16

Cluster Insulation Negative Resistance

P+7

UINT16

Maximum Cell Voltage BMU Number


P+8

UINT16

Maximum Cell Voltage box serial number


P+9

UINT16

Maximum Cell Voltage

mV

P+10

UINT16

Minimum Cell Voltage BMU Number


P+11

UINT16

Minimum Cell Voltage box serial number


P+12

UINT16

Minimum Cell Voltage value

mV

P+13

UINT16

Maximum Cell Temperature BMU Number


P+14

UINT16

Maximum Cell Temperature box serial


P+15

UINT16

Maximum Cell Temperature value

°C + 40°C

P+16

UINT16

Minimum Cell Temperature BMU Number


P+17

UINT16

Minimum Cell Temperature box serial


P+18

UINT16

Minimum Cell Temperature value

°C + 40°C

P+19

UINT16

Maximum Cell Temperature difference value

mV

P+20

UINT16

Average Cell Voltage


P+21

UINT16

Maximum temperature difference

°C

P+22

UINT16

Average temperature

°C + 40°C

P+23

UINT16

Charge Limit Current

0.1 A

P+24

UINT16

Discharge limiting current

0.1 A

P+25

UINT16

Cluster charge/discharge cycle


P+26

UINT16

Cluster single charge energy

0.1 kWh

P+27

UINT16

Cluster single discharge energy

0.1 kWh

P+28/P+29

UINT32

Cumulative Cluster Charging energy

0.1 kWh

P+30/P+31

UINT32

Cluster cumulative discharge energy

0.1 kWh

P+32

UINT16

Cluster number