2-4
|
ni.com
Chapter 2
Installation and Configuration
Figure 2-2.
PXIe-1066DC Vents
Chassis Ambient Temperature Definition
The chassis fan control system uses the intake air temperature as the input for controlling fan
speeds when in Auto Fan Speed mode. Because of this, the chassis ambient temperature is
defined as the temperature of the air just outside of the fan intake vents on the bottom of the
chassis. Note that this temperature may be higher than ambient room temperature depending
on the surrounding equipment and/or blockages present. It is the user’s responsibility to ensure
1
Ambient Temperature Sensor
2
Air Intake Vents
3
Air Exhaust Vent
4
Airflow
3
2
1
4
