The NI PXI-1033 is a 5-slot PXI chassis with integrated MXI-Express controller, delivering high-performance modular instrumentation for test, measurement, and data acquisition systems. This compact 3U platform accepts PXI and CompactPCI modules while providing synchronized timing, remote control via MXI-Express, and distributed power delivery across five peripheral slots.
Technical Specifications
Chassis Architecture
• 5 peripheral slots supporting 3U PXI and CompactPCI (PICMG 2.0 R 3.0) modules
• 32-bit PCI backplane; 64-bit CompactPCI cards operate in 32-bit mode
• Interoperable with 5 V and universal PXI-compatible products
• UL 94 V-0 recognized backplane material and IEC 917/IEC 1076-4-101 compliant connectors
• Integrated x1 MXI-Express interface with 110 MB/s sustained throughput for remote control
• Star trigger slot designated at Slot 2
Timing & Synchronization
• 10 MHz PXI system clock (PXI_CLK10) distributed independently to each slot
• Maximum slot-to-slot clock skew: 70% efficiency at full load, normal input voltage
• All outputs protected against short circuit
• Over-voltage protection: +3.3 V (3.76–4.3 V range), +5 V (5.74–7.0 V range), +12 V (13.4–15.6 V range)
• Per-slot cooling capacity: 25 W
• 101.1 CFM forced-air circulation (P1 to P2 airflow); AUTO/HIGH temperature-controlled fan speed
– Key Features
• Integrated MXI-Express controller eliminates separate interface modules
• Precise clock distribution with <250 ps skew ensures tight synchronization across modules
• Flexible power rails support diverse instrumentation requirements
• Positive-pressure cooling with temperature control maintains thermal stability
• Broad voltage/frequency tolerance (±25 ppm) over full operating range
– Typical Applications
• Multi-channel test and measurement systems requiring synchronized timing
• Distributed data acquisition with remote instrument control
• Modular instrumentation platforms demanding high-performance backplane interconnect
• Applications requiring independent clock distribution or external clock integration
– Compatibility & Integration
The chassis accepts standard 3U PXI modules and CompactPCI products, with full interoperability across 5 V and universal PXI platforms. The MXI-Express interface enables remote system control via host PC or external controller. Eight trigger lines and per-slot local buses facilitate inter-module synchronization and analog signal distribution.

















