Full Battery Array Status (SBAU)

1101

UINT16

Operation Status of Battery Stack

Bit 0: Initialization status
Bit 1: Ready (relay closed, not charged or discharged)
Bit 2: Discharging
Bit 3: Charging
Bit 4: Alarm
Bit 5: Fault
Bit 6: Not enabled
Other: No meaning

1102

UINT16

Cluster Operation Flag

Each bit identifies whether a cluster is in operation.
0 - not in operation, 1 - in operation
Bit 0: Cluster 1
Bit 1: Cluster 2
…and so on

1103

UINT16

Cluster Connection Status

0 - no fault, 1 - fault
Other: No meaning

1104

UINT16

Stack Ready Flag

0 - not full, 1 - full

1105

UINT16

Level 1 Alarm Flag

Bit bitmask: 1–32 for L1 alarms.

See Maintenance Alarm Code 1

1106

UINT16

Level 2 Alarm Flag

Bit bitmask: 1–32 for L2 alarms.

See Maintenance Alarm Code 2

1107

UINT16

Level 3 Alarm Flag

Bit bitmask: 1–32 for L3 alarms.

See Level I, II, and III Alarm Codes

1108

UINT16

Communication Alarm Flag

Bit bitmask: 1–32 for communication status.

See Alarm Codes

1109

UINT16

Hardware Fault Flag

Bit bitmask: 1–32 for hardware fault.

See Alarm Codes

1110

UINT16

Software Fault Flag

Bit bitmask: 1–32 for software fault.

See Alarm Codes

1111

UINT16

Maintenance Fault Flag

Bit bitmask: 1–32 for maintenance issue.

See Alarm Codes

1112

UINT16

Reserved

—

1113

UINT16

Auxiliary Alarm Flag 1

Bit bitmask

See Alarm Codes

1114

UINT16

Auxiliary Alarm Flag 2

Bit bitmask

See Alarm Codes

1115

UINT16

Stack Operation Flag

Bit bitmask for cluster power-on state.

1116

UINT16

Stack Isolation Switch Status

0 - Off, 1 - On

1117

UINT16

BMS Communication Status

Bitmask (e.g., EMS, PCS, Cluster, etc.)

1118

UINT16

Battery System Time (Seconds)

Seconds since system startup

1119

UINT16

System Self-check Status

0 - Not passed, 1 - Passed

1120

UINT16

Relay Closing Command Status

0 - None, 1 - Executing, 2 - Successful, 3 - Failed

1121

UINT16

Relay Opening Command Status

0 - None, 1 - Executing, 2 - Successful, 3 - Failed

1122

UINT16

Main Positive Relay Status

0 - Open, 1 - Closed

1123

UINT16

Main Negative Relay Status

0 - Open, 1 - Closed

1124

UINT16

Precharge Relay Status

0 - Open, 1 - Closed

1125

UINT16

Fault Count

Total fault occurrences

1126

UINT16

First Fault Code

—

1127

UINT16

First Fault Cluster No.

—

1128

UINT16

First Fault Type

—

1129

UINT16

System Operation Time

Seconds

1130

UINT16

System Version Code

Software version ID

1131

UINT16

Current Mode of Operation

0 - Standby, 1 - Charging, 2 - Discharging

1132

UINT16

System Time (Year)

e.g., 2025

1133

UINT16

System Time (Month)

1–12

1134

UINT16

System Time (Day)

1–31

1135

UINT16

System Time (Hour)

0–23

1136

UINT16

System Time (Minute)

0–59

1137

UINT16

System Time (Second)

0–59