| Command |
$AA7(Data) |
| Description |
Output analog value of specificed channel |
| Syntax |
$AA7(Data)[CHK](cr)
| $ |
a delimiter character |
| AA |
address of output module (00 to FF) |
| 7 |
command for setting excitation voltage output
|
| (Data) |
excitation voltage value, engineer unit format |
| [CHK] |
2 characters of checksum |
| (cr) |
Character Return(0x0D) for denote the end of command |
|
| Response |
| Valid Command |
!AA[CHK](cr) |
| Invalid Command |
?AA[CHK](cr) |
Syntax error or communication error may get no response.
!
|
delimiter for valid command |
| ? |
delimiter
for invalid command or the output value is overrange or underrange. If
the channel is not available, the module will response as invalid
command. |
| AA |
address of response module (00 to FF) |
| [CHK] |
2 characters of checksum |
| (cr) |
Character Return(0x0D) for denote the end of response |
|
| Example |
| Command |
$017+05.000 |
| Response |
!01
|
| Description |
Set address 01 excitation output +5.000V, return success.
|
|
| Reference |
$AA6
|
|