National Instruments NI PXI-1045 User Manual

National Instruments NI PXI-1045 User Manual

Power supply shuttle
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USER GUIDE

NI PXI-1045 Power Supply Shuttle
Introduction
Unpacking
This document explains the installation and maintenance of the
NI PXI-1045 power supply shuttle. The NI PXI-1045 power supply shuttle
is a replacement part for the PXI-1045 chassis.
To minimize downtime caused by a power supply failure, the PXI-1045
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:
Universal AC input with automatic voltage and frequency ranging
Over-current protection through push-reset circuit breaker
Remote voltage monitoring and inhibit through a rear-panel connector
Temperature-sensing module that can adjust fan speed based on
air-intake temperature to minimize audible noise
Circuitry to control a front-panel LED that indicates power supply
failure
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.

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Summary of Contents for National Instruments NI PXI-1045

  • Page 1: User Guide

    USER GUIDE NI PXI-1045 Power Supply Shuttle This document explains the installation and maintenance of the NI PXI-1045 power supply shuttle. The NI PXI-1045 power supply shuttle is a replacement part for the PXI-1045 chassis. Introduction To minimize downtime caused by a power supply failure, the PXI-1045 chassis has a modular power supply shuttle.
  • Page 2: What You Need To Get Started

    What You Need to Get Started To set up and use the NI PXI-1045 Power Supply Shuttle, you need the following items: ❑ PXI-1045 chassis (the unit being repaired) ❑ PXI-1045 power supply shuttle ❑ Read Me First: Safety and Radio-Frequency Interference ❑...
  • Page 3: Installation And Maintenance

    The power supply shuttle is a replacement part for the PXI-1045 chassis. The NI PXI-1045 User Manual contains all of the most up-to-date chassis service procedures, including removal and replacement of power supply shuttles. The chassis includes a hardcopy of the NI PXI-1045 User Manual;...
  • Page 4: Connecting Safety Ground

    Input voltage range .........100–240 VAC Operating voltage range ......90–264 VAC Input frequency........50/60 Hz Operating frequency range ....47–63 Hz Input current rating .........10–5 A Over-current protection ......12 A circuit breaker The operating range is guaranteed by design. NI PXI-1045 Power Supply Shuttle User Guide ni.com...
  • Page 5 0.5 A System slot –12 V 4.5 A 4.5 A 4.5 A Load regulation Voltage Load Regulation +3.3 V <0.5% +12 V <0.5% +5 V <0.5% –12 V <0.5% © National Instruments Corporation NI PXI-1045 Power Supply Shuttle User Guide...
  • Page 6 5 V, +12 V, –12 V ......120 to 130% above nominal output voltage Power supply shuttle MTTR ...Replacement in under 5 minutes To reset over-voltage protection, remove the MAINS for 30 seconds and then power up. NI PXI-1045 Power Supply Shuttle User Guide ni.com...
  • Page 7 *323693A-01* Product and company 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 on your CD, or ni.com/patents. 323693A-01 Sep03 ©...

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