Adhesive Tracking System
D-4
Part 1128350_02
E 2020 Nordson Corporation
Theory of Operation (contd)
Once the system is set up and is accurately measuring add-on weights, the
system can generate alarms for high or low output. The high and low
thresholds for generating alarms are user-adjustable. The number of
products that are allowed to pass with either too-high or too-low output is also
user-adjustable.
During the monitoring process, the ATS calculates a running average using
the last “N” products to compare to the alarm thresholds, where “N” is the
user-specified or taught number of products to average to determine add-on.
If the running average moves outside the alarm threshold and the number of
consecutive out-of-tolerance products exceeds the user-allowed number of
out-of-tolerance products, the ATS generates an alarm.
The add-on data measured by the ATS can be downloaded onto a USB drive
for process improvement purposes.
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