National Instruments NI PXI-1045 User Manual

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National Instruments NI PXI-1045 User Manual Manual pdf 1 page image

USER GUIDENI PXI-1045 Power Supply ShuttleThis document explains the installation and maintenance of theNI PXI-1045 power supply shuttle. The NI PXI-1045 power supply shuttleis a replacement part for the PXI-1045 chassis.IntroductionTo minimize downtime caused by a power supply failure, the PXI-1045chassis has a modular power supply shuttle. This power supply shuttleincludes 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 onair-intake temperature to minimize audible noise• Circuitry to control a front-panel LED that indicates power supplyfailureUnpackingCarefully inspect the shipping container and the power supply shuttle fordamage. Check for visible damage to the metal work. Check to make sureall handles, hardware, and switches are undamaged. Visually inspect theinside of the shuttle for any possible damage, debris, or detachedcomponents. If damage appears to have been caused during shipment, filea claim with the carrier. Retain the packing material for possible inspectionand/or reshipment.