| Command |
$AA6N |
| Description |
Readback last output command value of specificed output channel |
| Syntax |
$AA6N[CHK](cr)
| $ |
a delimiter character |
| AA |
address of reading module (00 to FF) |
| 6 |
command for read last output command value
|
| N |
specificed channel for read last output command value |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of command |
|
| Response |
| Valid Command |
!AA(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) |
last output command value |
| [CHK] |
2 characters of Checksum |
| (cr) |
Character Return(0x0D) for denote the end of response |
|
| Example |
| Command |
$0161 |
| Response |
!01+05.123 |
| Description |
Read the last output command value of channel 1 of address 1,
response +05.123. |
|
| Reference |
#AAN(Data)
$AA8N
|
|