This command starts measurement. WMT700 does not return measurement data after this command. It sends a response that indicates when the measurement result can be retrieved using the aD0! command and the number of parameters.
aM!
Name | Description |
---|---|
a | Single-digit WMT700 address that corresponds to the first character of the address value |
M | Start measurement command |
! | Terminates the command. |
The response:
atttn<CR><LF>
Name | Description |
---|---|
a | Single-digit WMT700 address that corresponds to the first character of the address value |
ttt | Period of time, in seconds, after which WMT700 has the measurement ready |
n | Number of measurement values WMT700 calculates and returns as a response to one or more subsequent aD0! commands |
<CR><LF> | Terminates the response. |
Example
1M!
10025<CR><LF>
Interpretation of the example message:
- Time after which the measurement is ready: 2 seconds
- Number of returned measurement values: 5
To fetch the measurement results, use the aD0! command.