| Command |
$AAB |
| Description |
Read channel open wire status |
| Syntax |
$AAB[CHK](cr)
| $ |
a delimiter character |
| AA |
address of reading module (00 to FF) |
| B |
command for reading channel open wire status |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of command |
|
| Response |
| Valid Command |
!AADD[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) |
| DD |
Channel open wire status, wire opened shows 1, connected shows 0. Where bit 0 corresponds to channel 0, bit 1 corresponds to channel 1, etc.
|
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of response |
|
| Example |
| Command |
$01B |
| Response |
!0100 |
| Description |
Read module open wire detection of address 01, response 00 |
|
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