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July 2025
784193-04
NI 784193-04, Two 10/100/1000 BaseT Ports, Four-Wide 3U PXI Module, 5 Hz to 500 Hz, 0.3 grms, PXI-8840 Quad-Core Processor PXI Controller
Actual item may vary if no part number is provided on quote request.
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March 2025
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January 2025
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May 2025
Gregg Flecki**** Verified Buyer
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January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments 784193-04 PXI-8840 Dual-Core PXI Embedded Controller
The National Instruments 784193-04 (PXI-8840) is a high-performance 3U PXI embedded controller designed for high-density automated test, measurement, and industrial control applications. Powered by a 2.70 GHz dual-core Intel Core i5 4400E processor, the module integrates a complete PC-compatible computing platform into a single instrument chassis. Memory architecture supports single-channel 1600 MHz DDR3L SDRAM (PC3-12800) configured with 4 GB standard (expandable up to 8 GB). Primary storage options include a standard 320 GB 2.5-inch SATA hard drive or an optional 80 GB minimum solid-state drive (SSD) rated for extended-temperature 24/7 continuous operation. Full PXI trigger bus input/output functionality enables precise, low-latency timing and hardware synchronization across installed peripheral measurement modules.
Front-panel peripheral connectivity includes two DisplayPort 1.2 video outputs for multi-monitor display configurations, two Gigabit Ethernet (10/100/1000Base-T) ports for high-speed network integration, an RS-232 serial port for legacy device communication, an integrated IEEE 488 (GPIB) controller for benchtop instrument automation, and an ExpressCard/34 expansion slot for removable storage or specialized third-party I/O cards (PS/2 and parallel ports are omitted). The controller ships pre-installed with a 64-bit Windows 7 Professional operating system, offering immediate compatibility with NI LabVIEW, TestStand, and standard Windows development frameworks.
Form-factor construction occupies a four-wide 3U PXI module footprint (requiring one system slot plus three expansion slots) with a total system weight of approximately 1.26 kg (2.77 lb). System power is drawn directly from the PXI backplane, consuming 1.12 A typical (1.84 A maximum under full load) at +3.3 VDC. Designed for rugged test environments, the module operates across a 5 °C to 50 °C ambient temperature range (-40 °C to 65 °C storage) with non-condensing relative humidity tolerances of 10% to 90% (5% to 95% storage). Validated for indoor use up to 2,000 meters altitude (Pollution Degree 2), the chassis withstands operational shock up to 30 g peak (11 ms half-sine) and random vibration up to 0.3 grms (5 Hz to 500 Hz) when configured with an SSD.
| Model | 784193-04 |
|---|---|
| Model Name | PXI-8840 |
| Part Type | 2.6 GHz Quad-Core Processor PXI Controller |
| Board Dimensions | Four-wide 3U PXI module |
| CPU | Intel® Core™ i5 4400E (2.70 GHz dual core processor) |
| Operating Random Vibration | 5 Hz to 500 Hz, 0.3 grms (with solid-state hard drive) |
| Ethernet | Two 10/100/1000 BaseT ports |
| PXI Trigger Bus Input/Output | Yes |
| Operating Shock | 30 g peak, half-sine, 11 ms pulse |
| Display Interface | Two DisplayPort 1.2 ports |
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