aM! — start measurement - WMT700

WMT700 Series User Guide

Document code
M211095EN
Revision
K
Language
English
Product
WMT700
Document type
User guide

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.