National Instruments NI PXIe-1085 User Manual
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National Instruments NI PXIe-1085 User Manual

Modular power supply
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USER GUIDE

NI PXIe-1085 Modular Power
Supply
The NI PXIe-1085 modular power supply is a replacement part for the NI PXIe-1085 chassis.
Caution
chassis.
Introduction
To minimize downtime caused by a power-supply failure, the NI PXIe-1085 chassis has a
modular power supply.
Unpacking
Carefully inspect the shipping container and the power supply for damage. Check for visible
damage to the metal work. Check to make sure all handles, hardware, and connectors are
undamaged. Visually inspect the inside of the power supply 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 PXIe-1085 chassis (the unit being repaired)
NI PXIe-1085 power supply
Read Me First: Safety and Electromagnetic Compatibility
NI PXIe-1085 User Manual (provided with the chassis; also available at
#2 Phillips screwdriver
This power supply is not compatible with any other National Instruments
)
ni.com/support

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Summary of Contents for National Instruments NI PXIe-1085

  • Page 1: User Guide

    USER GUIDE NI PXIe-1085 Modular Power Supply The NI PXIe-1085 modular power supply is a replacement part for the NI PXIe-1085 chassis. This power supply is not compatible with any other National Instruments Caution chassis. Introduction To minimize downtime caused by a power-supply failure, the NI PXIe-1085 chassis has a modular power supply.

  • Page 2: Installation And Maintenance

    Do not use, test, or configure the power supply outside of a chassis. The power supply is a replacement part for the NI PXIe-1085 chassis. The NI PXIe-1085 User Manual contains all of the most up-to-date chassis service procedures, including removal and replacement of power supplies.
  • Page 3 Figure 1. Removing Power Supply Power Supply Mounting Screws (8x) NI PXIe-1085 Chassis Power Supply Rail Safety Catch (Both Sides) Modular Power Supply Screws (4x) NI PXIe-1085 Modular Power Supply User Guide | © National Instruments | 3...
  • Page 4 The fan-speed selector switch is on the rear panel of the power supply. Select High for maximum cooling performance (recommended) or Auto for quieter operation. Set the Inhibit Mode switch to the Default position. 4 | ni.com | NI PXIe-1085 Modular Power Supply User Guide...

  • Page 5: Connecting Safety Ground

    Input frequency..........50/60 Hz Operating frequency range ......47 to 63 Hz Input current rating ........... 12 to 6 A The operating range is guaranteed by design. NI PXIe-1085 Modular Power Supply User Guide | © National Instruments | 5...
  • Page 6 +12 V 45 A -12 V 2.0 A Maximum combined +3.3 V, +5 V, and +12 V power is 699 W. Notes Maximum total usable power is 701.5 W. 6 | ni.com | NI PXIe-1085 Modular Power Supply User Guide...
  • Page 7 Maximum ripple and noise (20 MHz bandwidth) Voltage Maximum Ripple and Noise +3.3 V 50 mV +12 V 50 mV +5 V 50 mV -12 V 50 mV NI PXIe-1085 Modular Power Supply User Guide | © National Instruments | 7...

  • Page 8: Where To Go For Support

    NI product. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2013 National Instruments. All rights reserved.

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