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Sensor Fault Alarm
Alarm indicating a sensor is reading outside its expected range or has failed. May indicate a broken sensor, wiring issue, or incorrect calibration.
Brick
Sensor_Fault_Status
Category
maintenance
Typical Range
-
Object Type
-
Haystack
Tags
sensorMarkeralarmMarkerpointMarker
Kind
Bool
Point Function
alarm
Haystack Unit
-
States
0normal, sensor-ok
1fault, out-of-range, failed, sensor-error
Aliases
Common
Common Misspellings
senser-fault
Notes
- Typically triggered when a sensor reads at the extreme of its range (e.g., thermocouple reads -40°F or +300°F continuously)
- Open or short circuit on an analog input triggers this alarm
- Control systems should have fallback logic when a sensor faults