National Instruments PXI-1031 User Manual page 38

Appendix A Specifications
The output power is derated –5 W/°C above 45 °C.
Notes
The combined loading on +5 VDC and +3.3 VDC must not exceed 112 W.
For DC powered applications at 11 VDC input, the combined loading on +5 VDC,
+3.3 VDC, +12 VDC, and –12 VDC must not exceed 137 W. At 12.3 VDC or higher
input, the combined loading must not exceed 145.6 W.
For AC powered applications, the combined loading must not exceed 145.6 W.
Chassis Cooling
NI PXI-1031/PXI-1031DC User Manual
Overcurrent protection............................All outputs protected from short
Overvoltage protection ...........................All outputs protected from
Per slot cooling capacity.........................25 W
Slot airflow direction ..............................P1 to P2, bottom of module
Module cooling
System .............................................Forced air circulation (positive
Intake ...............................................Bottom of chassis
Exhaust ............................................Along rear, right side, and top of
Power supply cooling
System .............................................Forced air circulation through
Intake ...............................................Front side of chassis
Exhaust ............................................Rear side of chassis
circuit and overload
overvoltage. Cycle the primary
power and front power switch to
restart.
to top of module
pressurization) through a High
Flow fan with HIGH/AUTO
speed selector
chassis
integrated fan
A-6 ni.com