Pxi subsystem cooling, Safety – National Instruments PXI NI PXI-1052 User Manual
Page 43
Appendix A
Specifications
© National Instruments Corporation
A-3
Over-current protection.......................... All outputs protected from short
circuit and overload with
automatic recovery when the
short or overload is removed.
Overvoltage protection
1
......................... 115 to 140% above nominal
output voltage
PXI Subsystem Cooling
Per slot cooling capacity ........................ 25 W with fan speed set to HIGH
Slot airflow direction ............................. P1 to P2, bottom of module
to top of module
Module cooling
System............................................. Forced air circulation (positive
pressurization) using one 115 cfm
fan with HIGH/AUTO speed
selector
Intake .............................................. Bottom rear of chassis
Exhaust............................................ Along both sides and top of
chassis
Power supply cooling
System............................................. Forced air circulation through
integrated fan
Intake .............................................. Right side of chassis
Exhaust............................................ Left side of chassis
Safety
The PXI-1052 was evaluated using the criteria of EN 61010-1 and meets
the requirements of the following standards for safety and electrical
equipment for measurement, control, and laboratory use:
•
EN 61010-1, IEC 61010-1
•
UL 3111-1, UL 61010B-1
•
CAN/CSA C22.2 No. 1010.1
1
To reset over-voltage protection, remove the AC power cable for 30 seconds and then restore power.