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Hysteresis and alarm output
The Measurement rises above the trip point. After expiry of the delay set for the Min.
event duration, the alarm is activated.
The Measurement drops into the Hysteresis area (i.e. the margin between incorrect
and correct performance) but falls short of the "safe" area. The alarm is continued.
The Measurement re-enters the Error state area. The alarm continues.
The Measurements drops into the Hysteresis area. The alarm continues.
Camera performance is correct. The alarm is deactivated after expiry of the Min.
event duration.
The Measurement rises into the Hysteresis area. The alarm trip point is not reached.
Alarm output remains "false".
Camera performance is correct. Alarm output remains "false".
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