Appendix A Specifications
NI PXI-1056 User Manual A-2 ni.com
Power disconnect....................................The AC power cable provides
main power disconnect.
Depressing the front-panel power
switch controls the internal
chassis power supply that
provides DC power to the
CompactPCI/PXI backplane.
DC Output
DC current capacity (IMP)
Load regulation
Maximum ripple and noise (20 MHz bandwidth)
Caution Be sure to limit DC output to 500 W above 50° C.
Volt age 0–55 °C
+3.3 V 40 A
+5 V 59 A
+12 V 9 A
–12 V 4.5 A
Volt age Load Regulation
+3.3 V <0.5%
+12 V <0.5%
+5 V <0.5%
–12 V <0.5%
Volt age Maximum Ripple and Noise
+3.3 V 50 mVpp
+12 V 120 mVpp
+5 V 50 mVpp
–12 V 120 mVpp