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25
User Manual v1.4.3
HYDRODIGIT
GET_ALARM_PAR (0x27)
This command is used to read the alarm parameters.
The data fields bigger than one byte will be represented in Big En
dian.
From Application server to meter:
HEADER property
Data
Fct
C/R/A
Err
Chain
Len
Device type
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
0x27
0x00
0x00
0x00
0x01
0x05
Answer:
HEADER property
Data
Fct
C/R/A
Err
Chain
Len
Device type
AlarmPar
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
8 bytes
0x27
0x01
0x00
0x00
0x09
0x05
The Err field can have the following meanings:
0x00 – No error
0x02 – Error on the device type
0x04 – Error on the command length.
The AlarmPar field is defined as follows
Name
Type
Default
Minimum
Maximum Description
Reverse flow threshold
Uint8_t
0x00
0x00
0x00
0x00 = 20 liters (fixed)
Water leak time threshold
Uint8_t
0x00
0x00
0x00
0x00 = 6 hours (fixed)
VIF Transmission
Uint8_t
0x00
0x00
0x00
0x00 = liters (fixed)
Temperature data enabled/
disabled
Uint8_t
0x00
0x00
0x01
0x00 = disabled
0x01 = enabled
Low battery threshold
Uint32_t
0x00000992
0x00000992
0x00000992
mV resolution
(2450mV)
GET_ALARM_DATA (0x28)
This command is used to read the date of the alarms and flags.
From Application server to meter:
HEADER property
Data
Fct
C/R/A
Err
Chain
Len
Device type
1 byte
1 byte
1 byte
1 byte
1 byte
1 byte
0x28
0x00
0x00
0x00
0x01
0x05