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Data Handling During Communications Disruption
Synchronization and time lag in acquired data
(During Communications Disruption)
The instrument communicates with wireless modules to synchronize each module’s time with its
time.
If communications disruption occurs, the instrument cannot perform synchronization, shifting the
times of the instrument and each module from one another.
When the communications between the instrument and the wireless modules recover from
disruption, the number of sampled data points can dier between the instrument and each wireless
module.
If the numbers of the data points or data sampling times dier between the instrument and
each wireless module, the system will recover the data using the number of the data points the
instrument sampled and the times when the instrument sampled the data points.
When the number of data points the instrument sampled and that the wireless
module sampled are the same
When the communications recover, the instrument will acquire the data left in the wireless
modules.
The data may become discontinuous at the synchronization points (communications recover
points).
1010 10099989796954321
1010 10099989796954321
Disruption Connection
Instrument
Wireless module
When the number of data points the wireless module sampled is less than that
the instrument sampled
When the communications recover, the instrument will acquire the data left in the wireless
modules.
The instrument will bridge the data point gaps using each of the immediately preceding data
points.
1010 10099989796954321
1010 100989796954321
Disruption Connection
Instrument
Wireless module
When the number of data points the wireless module sampled is greater than the
that the instrument sampled
When the communications recover, the instrument will acquire the data left in the wireless
modules.
The instrument will discard the redundant data points in the wireless module.
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