ttt
Period of time, in seconds, after which WMT700 has the measurement ready
nn
Number of measurement values WMT700 calculates and returns as a response to one or
more subsequent aD0! commands
<CR><LF>
Terminates the response.
1C! 100205<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.
5.26.1.5 aD0! — Send Data
This command fetches instant data from WMT700. aD0! must be preceded by a C!, M!, or
V! command. WMT700 responds by sending measurement data (after C! or M!) or
verification data (after V!).
In a SDI-12 system compliant with the standard, if the expected number of measurements is
not returned in response to an aD0! command, a data recorder issues D1!, D2!, and so on,
until all measurement values are received. The expected number of measurements is
included in the message that WMT700 sends in response to an aC!, aM! or aV! command.
Multiple data requests are not needed with WMT700, since all return values
fit in one
response string.
aD0!
a
Single-digit WMT700 address that corresponds to the first character of the address
value
D0
Send data command
!
Terminates the command
More Information
‣
SDI-12 Data Messages (page 160)
5.26.1.6 aI! — Send Identification
This command queries WMT700 for its SDI-12 compatibility level, model number, and
firmware version number.
Chapter 5 – Operation
157
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