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On the picture above, "Current value" equals 24.5 and is represented by the small triangle. Currently the triangle is red because it is situated in an "High alarm" range above "High alarm level", which equals 20.0. Hence the sensor says that "Current state" is "High alarm". This value is used by the system "Logic schemes" menu to notify the administrator or take action.
Hysteresis
Sensors have the option of setting the hysteresis state. Hysteresis can be a time, a value or it can be disabled.
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To save sensor properties in the device flash memory press " |
Hysteresis meas
Sensor readings can be tunned by a linear formula "y = k * x - b"
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