PreView Sentry ST82 Series, Руководство по эксплуатации, Страница: 7 / 25

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Figure 3 illustrates a truck backing application with the radar detection
zone set to a range of 6 m and a width of 3 m.
Figure 3. Detection Zone 6 m
Figure 4 illustrates a mining haul truck backing application with the radar
detection zone set to a range of 30 m and a width of 10 m.
Figure 4. Detection Zone 30 m
The sensor is active and starts reporting detections within 300
milliseconds (ms) after power up.
The Sentry
™
performance is not affected by other PreView
®
Sentry
™
or
similar sensors operating in close proximity with each other.
Other Sensor Features
The Sentry
™
sensor has a continuous Built-In-Self-Test (BIST) that notifies
the operator display of sensor failure within a fraction of a second. This
test functions by monitoring the transmit and receive performance as well
as other internal operations.
The Sentry
™
sensor can also determine if the face of the sensor is blocked
with excessive ice, mud, or snow that is impeding proper operation. This
blockage is then reported to the operator display.
Both the self-test and blockage detection features are important to fail-
safe operation.