National Instruments Power Supply NI PXI 1006 User Manual

NI PXI-1006 Power Supply Shuttle  
User Guide  
The NI PXI-1006 power supply shuttle is a replacement part for the  
PXI-1006 chassis.  
To minimize downtime caused by a power supply failure, the PXI-1006  
chassis has a modular power supply shuttle. This power supply shuttle  
includes the chassis power supply, cooling fans, and fan-control circuitry.  
Key features of the power supply shuttle include the following:  
Universal AC input with automatic voltage and frequency ranging  
Over-current protection through push-reset circuit breaker  
Remote power monitoring and inhibit through a rear-panel connector  
Selectable fan speed  
Unpacking  
Carefully inspect the shipping container and the power supply shuttle for  
damage. Check for visible damage to the metal work. Check to make sure  
all handles, hardware, and switches are undamaged. Visually inspect the  
inside of the shuttle for any possible damage, debris, or detached  
components. If damage appears to have been caused during shipment,  
file a claim with the carrier. Retain the packing material for possible  
inspection and/or reshipment.  
What You Need to Get Started  
NI PXI-1006 chassis (the unit being repaired)  
NI PXI-1006 power supply shuttle  
Read Me First: Safety and Radio-Frequency Interference  
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names mentioned herein are trademarks or trade names of their respective companies. For patents covering  
National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file  
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April 2003  
323569A-01  
ni.com  
© 2003 National Instruments Corp. All rights reserved.  
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Caution Never connect the AC power cable to the power supply shuttle until you install it  
in a PXI-1006 chassis. Do not use, test, or configure the power supply shuttle outside of a  
chassis.  
The power supply shuttle is a replacement part for the PXI-1006 chassis.  
The NI PXI-1006 User Manual contains other chassis service procedures.  
The chassis includes a hardcopy of the NI PXI-1006 User Manual.  
Additionally, you can download a softcopy from ni.com/support.  
Removal  
Before attempting to replace the power supply shuttle, verify that there is  
adequate clearance behind the chassis. Set the power switch on the front  
panel to the Standby position and disconnect the power cable from the  
power supply shuttle on the back of the chassis. Identify the ten mounting  
screws that attach the power supply shuttle to the chassis. Refer to Figure 1  
for the mounting screw locations. Using a Phillips screwdriver, loosen the  
captive screws. Pull on the two rear handles of the power supply shuttle to  
remove it from the back of the chassis.  
Installation  
Ensure that there is no visible damage to the new power supply shuttle.  
Verify that the housing and connector on the new power supply shuttle  
have no foreign material inside. Install the new power supply shuttle into  
the opening on the rear of the chassis. Tighten the ten mounting screws with  
a Phillips screwdriver.  
Configuration  
The fan-speed selector switch is on the rear panel of the power supply  
shuttle. Refer to Figure 1 to locate the fan-speed selector switch. Select HI  
for maximum cooling performance (recommended) or AUTO for quieter  
operation.  
© National Instruments Corporation  
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NI PXI-1006 Power Supply Shuttle User Guide  
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Connecting Safety Ground  
Caution The power supply shuttle is designed with a three-position NEMA 5-15 jack that  
connects the ground line to the chassis ground. To minimize shock hazard, make sure the  
electrical power outlet you use to power the chassis has an appropriate earth safety ground.  
If your power outlet does not have an appropriate ground connection, you  
must connect the premise safety ground to the chassis ground screw. Refer  
to Figure 1 to locate the chassis ground screw. Complete the following  
steps to connect the safety ground.  
1. Connect a 16 AWG (1.3 mm) wire to the chassis ground screw using a  
grounding lug. The wire must have green insulation with a yellow  
stripe or must be noninsulated (bare).  
2. Attach the opposite end of the wire to permanent earth ground using  
toothed washers or a toothed lug.  
Specifications  
AC Input  
Input voltage range .................................90 to 264 VAC  
Input frequency range.............................47 to 63 Hz  
Maximum steady state  
operating current.....................................10 A  
Over-current protection ..........................10 A circuit breaker  
Line regulation........................................ 0.1% over operating line range  
Efficiency................................................70–80% typical  
Power disconnect....................................The Off (standby) power switch  
causes the power module to  
supply DC power to  
the CompactPCI/PXI backplane.  
The rear-panel D-sub connector  
facilitates remote inhibiting  
operation. The Off (standby)  
switch must be in the On position  
prior to use of remote inhibit. The  
power cord provides main power  
disconnect.  
NI PXI-1006 Power Supply Shuttle User Guide  
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DC Output  
Maximum usable power......................... 600 W  
DC current capacity (IMP  
)
Voltage  
+3.3 V  
+5 V  
IMP (Steady-State Current)  
60 A  
60 A  
9 A  
+12 V  
–12 V  
1.8 A  
Load regulation  
Voltage  
+3.3 V  
Regulation  
0.4% or 20 mV max  
0.4% or 20 mV max  
0.4% or 20 mV max  
0.4% or 20 mV max  
+12 V  
+5 V  
–12 V  
Maximum ripple and noise .................... 1% ripple, 1% noise  
20 MHz bandwidth  
Over-current protection.......................... 105–140% of rated output  
current; automatic recovery  
Over-voltage protection ......................... 3.3 V, 5 V clamp at 122–134%  
of output voltage  
+12 V and –12 V clamp at  
110–120% of output voltage  
Power supply shuttle MTTR.................. Replacement in under 5 minutes  
© National Instruments Corporation  
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NI PXI-1006 Power Supply Shuttle User Guide  
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