10.3.4 Read Live Data
This frame is used to initiate the device to send the Live data. On sending this
frame consecutively the UWBT device sends the Live data to Smartphone.
Read Live Data String Format (Smartphone)
%0 0 503<CR>
UWBT Device Response To Read Live Data String
Packet
Header
SA
DA
Command
Length Byte
1
Byte
2
Byte
3 -
Byte
4
Byte
5 -
Byte
6
Byte
7 -
Byte
8
Byte
9
Check-
sum
0xA5
0x00 0x00
Table 10-6. Frame Format Of Read Live Data
The length field varies as per the device type and are mentioned below
Thermocouple board
- 0x05
RTD board
- 0x05
pH with RTD
- 0x07
RH board
- 0x09
Field Descriptions:
Field
Values And Description
Byte 1
Bit 0 – Indicates low alarm for Temperature value(for all sensor models)
Bit 1 - Indicates High alarm for Temperature value (for all sensor models)
Bit 2 - Indicates low alarm for pH or RH value (Thermocouple Model and
RTD Model will have the value 0)
Bit 3 - Indicates high alarm for pH or RH value (Thermocouple Model and
RTD Model will have the value 0)
Bit4 – Indicates Temperature Sensor out of range.
Possible values are
0 – No alarm detected
1 – Alarm detected
Bit 5 – Indicates Temperature Sensor Open status.
Possible values are
0 – Sensor NOT open
1 – Sensor Open
Bit 6 – Indicates pH/RH Sensor Open status
Possible values are
0 – pH/RH Sensor NOT Open
1 – pH/RH Sensor Open
Bit 7 – Indicates pH/RH Sensor out of range.
Possible values are
0 – pH/RH Sensor not in out of Range
1 – pH/RH Sensor Out of Range
Table 10-7. Field Description Of Live Data Frame
Communication Protocol
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