B meters IWM-LR3, User Manual

IWM-LR3 - IWM-LR4

User Manual v1.0

19

3.11 GET_ALARM_DATA (0x28) 

A command used to read alarm detection parameters. 

R2H: 

H2R:

The AlarmData field is as follows:  

The Err field in the answer can take on the following meanings: 

0x00 - No Error 

0x02 - Device TypeError. The device type is incorrect.  

0x03 - Incorrect request, password was not presented 

0x04 - Length Error 

HEADER property

Date

Fct

C/R/A

Err

Chain

Len

Device Type 

property

1 byte

1 byte

1 byte

1 byte

1 byte

1 byte

0x28

0

0

0

0x01

0x04

HEADER property

Date

Fct

C/R/A

Err

Chain

Len

Device Type AlarmData, 

In

1 byte

1 byte

1 byte

1 byte

1 byte

1 byte

28 bytes

0x28

0

0

0

0x1D property

0x04

Name

Type

Default

Minimal

Maximum

Description

Index 

Finger Date

Alarm Flags

Uint32_t

0x0000000000 0x0000000000 0x3F property

Bit 0: magnetic

Bit 1: Removal

Bit 2: Blinding

Bit 3: Loss bit

Bit 4: Reverse stream

Bit 5: Low battery

1 – 4

Magnetic 

Alarm Date

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

5 – 8

Form Removal 

Alarm Date

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

9 – 12

Blinding Alarm 

Date

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

13 – 16

Date 

Detection/Loss 

Resolution

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

17 – 20

Reverse Flow 

Alarm Date

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

21 – 24

Low battery 

alarm date

Uint32_t

0x0000000000 0x0000000000 0xffffffff

dd/mm/yy

25 – 28