NI 779731-01 Replacement Power Supply and Fan Shuttle for NI PXIe-1065

The NI 779731-01 is a replacement power supply and fan shuttle assembly engineered for the NI PXIe-1065 chassis. This component delivers stable DC power distribution and thermal management via variable-speed fan control, ensuring sustained performance across connected 3U PXI, PXI Express, CompactPCI, and CompactPCI Express modules.

– Technical Specifications

Power Delivery
• Maximum total usable DC output: 701.5 W
• Maximum combined +3.3 V, +5 V, and +12 V power: 699 W
• Total system slot current limit: 45 A maximum
• Power dissipation per system slot: 140 W maximum
• Power dissipation per peripheral slot: 38.25 W maximum
• Typical efficiency: 70%

AC Input
• Nominal input voltage: 100 to 240 VAC
• Operating input voltage range: 90 to 264 VAC
• Input frequency: 50/60 Hz
• Operating frequency range: 47 to 63 Hz
• Input current rating: 10 to 5 A
• Over-current protection: 12 A circuit breaker

Environmental & Physical
• Operating temperature: 0 °C to 55 °C
• Storage temperature: -40 °C to 71 °C
• Acoustic noise: 43.6 dBA (at temperatures below 30 °C)
• Cooling capacity per slot: 38 W
• Dimensions: 6.97 × 18.3 × 18.4 inches
• Weight: 28.2 lb

– Key Features

• Variable-speed fan controller optimizes thermal performance while minimizing acoustic emissions
• Remote power-inhibit control via rear-panel D-SUB 9-pin connector
• Front-panel power switch for direct control
• Wide AC input range accommodates 90–264 VAC operation
• Integrated over-current protection at 12 A

– System Integration

• 10 MHz system reference clock (PXI_CLK10)
• 100 MHz system reference clock (PXIe_CLK100, PXIe_SYNC100)
• External 10 MHz reference clock I/O via BNC connectors on rear panel
• PXI Trigger Bus support
• PXI Star Trigger and PXI Differential Star Triggers

– Compatibility & Integration

Designed exclusively for the NI PXIe-1065 chassis. Supports all module types: 3U PXI, PXI Express, CompactPCI, and CompactPCI Express configurations.