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

Cluster Relay Status

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

Register Address

Data Type

Description

Data

Note

P+1

UINT16

Main Positive Relay Status

0 – open
1 – close


P+2

UINT16

Main Negative Relay Status

0 – open
1 – close


P+3

UINT16

Main Pre-charge Relay Status

0 – open
1 – close


P+4

UINT16

Breaker Relay Status

0 – open
1 – close


P+5

UINT16

Fan Relay Status

0 – open
1 – close


P+6

UINT16

Charge Relay Status

0 – open
1 – close


P+7

UINT16

Discharge Relay Status

0 – open
1 – close


P+8

UINT16

Dry Contact Status K1

0 – open
1 – close


P+9

UINT16

Dry Contact Status K2

0 – open
1 – close


Offset Address Formula:
P – 60100 + 10 × n
(where n is the cluster index, 0 ≤ n < 32)