B meters HYDRODIGIT, Operating Instructions Manual

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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