Sentry Sample Sequencer 5 - Page 25

Sentry Equipment Corp | Sample Sequencer
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5.2.6 Sample Times
Use this widget to update Sample Times. Sample Time is the amount of time the analyzer is
allowed to analyze the sample while the reading is considered valid. The Track and Hold value
and Point Identification are active during the Sample Time. The valve for this sample point is
open during both the Sample Time and the Flush Time. In Batch mode, Sample Time serves as
a timeout timer that operates only when the analyzer is in alarm. While in alarm, if an End-of-Batch
signal is not received before Sample Time times out, the Sample Sequencer will close the current
sample point and proceed with the next sample point. Since the Analyzer Alarm input may serve to
indicate more than a loss of sample flow, Sample Time should be set to give the analyzer
sufficient time to attempt to complete an analysis and output an End-of-Batch indication.
Figure 11: Sample Times Screen
To change a Sample Time for a sample, touch the time that you would like to change. The Enter
Time Screen will appear. Enter the time desired using this screen; when finished, touch the enter
button to enter the value in the Sample Times Screen, or press the escape button to return to the
Sample Times screen without entering the value. Time values are limited to 59 minutes and 59
seconds. Once you have updated all the Sample Times, press the save button to save all times on
the screen, or press the escape button to leave the screen without saving updated values.