| Command |
$AA3 |
| Description |
Read Cold-Junction Compensation(CJC) temperature |
| Syntax |
$AA3[CHK](cr)
| $ |
a delimiter character |
| AA |
address of reading module (00 to FF) |
| 3 |
command for reading CJC temperature |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of command |
|
| Response |
| Valid Command |
>(Data)[CHK](cr) |
| Invalid Command |
?AA[CHK](cr) |
Syntax error or communication error may get no response.
| > |
delimiter for valid command |
| ? |
delimiter for invalid command. |
| AA |
address of response module (00 to FF) |
| (Data) |
CJC temperature value in engineer's unit format |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of response |
|
| Example |
| Command |
$013 |
| Response |
>+0030.0 |
| Description |
Read CJC temperature of address 01, response the CJC is 30 degree Celsius. |
|
| Reference |
$AA9(Data)
|
|