Appendix A Specifications
© National Instruments Corporation A-3 NI PXI-1052 User Manual
Over-current protection..........................All outputs protected from short
circuit and overload with
automatic recovery when the
short or overload is removed.
Overvoltage protection1.........................115 to 140% above nominal
output voltage
PXI Subsystem CoolingPer 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
SafetyThe 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.