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Chapter 8: Managing External Devices
173
3. Select the sensor that you want to configure.
4. Click Setup. The "Setup of external sensor <serial number> (<sensor
type>)" dialog appears, where <serial number> is the serial number
of this sensor and <sensor type> is the sensor's type.
Tip: You can also trigger the same setup dialog by selecting the
desired environmental sensor icon in the tree and then clicking Setup
on that sensor's page opened in the right pane.
5. If the selected environmental sensor is the Raritan contact closure
sensor connected with a third-party detector/switch, select the
appropriate sensor type in the Binary Sensor Subtype field.
Contact: The detector/switch is designed to detect the door lock
or door open/closed status.
Smoke Detection: The detector/switch is designed to detect the
appearance of smoke.
Water Detection: The detector/switch is designed to detect the
appearance of water on the floor.
Vibration: The detector/switch is designed to detect the vibration
in the floor.
6. Type a new name in the Name field.
7. Describe the sensor's location by assigning alphanumeric values to
the X, Y and Z coordinates. See Describing the Sensor Location
(on page 175).
8. If the selected environmental sensor is a numeric sensor, its
threshold settings are displayed in the dialog. Click Edit or double-
click the Threshold Configuration table to adjust the threshold,
deassertion hysteresis and assertion timeout settings.
To enable any threshold, select the corresponding checkbox. To
disable a threshold, deselect the checkbox.
After any threshold is enabled, type an appropriate numeric value
in the accompanying text box.
To enable the deassertion hysteresis for all thresholds, type a
numeric value other than zero in the Deassertion Hysteresis
field. See What is Deassertion Hysteresis? (on page 182).
To enable the assertion timeout for all thresholds, type a numeric
value other than zero in the Assertion Timeout (samples) field.
See What is Assertion Timeout? (on page 183).
The Upper Critical and Lower Critical values are points at which the
EMX considers the operating environment critical and outside the
range of the acceptable threshold.
9. Click OK to save the changes.