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SH-VT150C Rev F
- 3, 8, 14, 19 Byte: Space (0x20)
** Compare the Check Sum after receiving 24 Byte and check the error.
** If the value of SHT is ‘1’, the measured temp. & humidity is error.
Or the connection condition of temp. & humidity is error.
So the temp. & humidity data cannot be used.
When it is‘1’the former data will be transmitted before error.
K. Set up
Byte
1
2
3
4
5
6
7
8
9
10
Contents
STX
ID
S
Set ID
Mode
Reserve
Check
Sum
CR
LF
- STX: Start Code (0x02)
- ID: Transmitter ID (0x00 :every Transmitter accepts command)
- S’(0x53): set up Command
- Set ID: Transmitter ID set(0x00 ~ 0xFF)
- Mode: ‘0’(0x30) = data transmission every 2 sec
‘1’(0x31) = data transmission when DTE needs data
(Initial value : 0x30)
- Reserve
- Check Sum: Sum of 1~7Byte, use low data 1Byte only
- CR: 0x0D
- LF: 0x0A
** When you set Transmitter ID, don’t use 0x00.
If Transmitter ID has another ID except 0x00, it will
respond automatically when there’s 0x00 Call.
This is for making the set-up possible even if you don’t know the ID.
** Notice : If there’s 0x00 Call on condition of many Transmitters
are connected by RS-485, every transmitter respond.
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