Chapter 7: Using the Command Line Interface
342
Example
The following command disables the Lower Warning threshold of the
environmental "humidity" sensor with the ID number 3.
config:#
sensor externalsensor 3 humidity lowerWarning disable
Setting the Sensor's Deassertion Hysteresis
This command syntax configures the deassertion hysteresis value of a
numeric environmental sensor.
config:#
sensor externalsensor <n> <sensor type> hysteresis <value>
Variables:
<n> is the ID number of the environmental sensor that you want to
configure. The ID number is assigned and shown in the Dominion PX
web interface. It is an integer between 1 and 16.
<sensor type> is one of these sensor types:
temperature,
humidity,
airPressure or air Flow
.
Note: If the specified sensor type does not match the type of the
specified environmental sensor, this error message appears:
"Specified sensor type 'XXX' does not match the sensor's type
(<sensortype>)," where XXX is the specified sensor type, and
<sensortype> is the correct sensor type.
<value> is a numeric value that is assigned to the hysteresis for the
specified environmental sensor. See
What is Deassertion
Hysteresis?
(on page 153) for the function of the deassertion
hysteresis.
Example
The following command sets the deassertion hysteresis of the
environmental "temperature" sensor with the ID number 4 to 2 degrees
Celsius. That is, the temperature must drop by at least 2 degrees Celsius
below the upper threshold or rise by at least 2 degrees Celsius above the
lower threshold before any threshold-crossing event is deasserted.
config:#
sensor externalsensor 4 temperature hysteresis 2
Setting the Sensor's Assertion Timeout
This command syntax configures the assertion timeout value of a numeric
environmental sensor.
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