{"id":30012,"date":"2025-09-23T14:47:12","date_gmt":"2025-09-23T06:47:12","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=30012"},"modified":"2026-09-11T18:14:27","modified_gmt":"2026-09-11T10:14:27","slug":"pxie-8840","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-8840\/","title":{"rendered":"PXIe-8840"},"content":{"rendered":"<h3>PXIe-8840 Dual-Core and Quad-Core PXI Express Embedded Controller<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>NI PXIe-8840<\/strong> is an embedded controller designed for PXI Express modular instrumentation, automated test and data-acquisition systems. The product family includes a <strong>2.7 GHz dual-core Intel Core i5-4400E version<\/strong> and a higher-performance <strong>2.6 GHz quad-core Intel Core i7-5700EQ version<\/strong>.<\/p>\n<p>Depending on the processor configuration, the PXIe-8840 provides up to <strong>2 GB\/s or 8 GB\/s of maximum controller-to-backplane bandwidth<\/strong>. This allows users to select a controller for general automated testing or for more demanding multi-instrument and data-streaming applications.<\/p>\n<p>Front-panel connectivity includes two Gigabit Ethernet ports, two DisplayPort outputs, USB 3.0, USB 2.0, RS-232 serial, GPIB and an SMB connector for PXI trigger-bus routing. A special quad-core version also provides an ExpressCard\/34 expansion slot.<\/p>\n<p>The PXIe-8840 was supplied under multiple Windows, Phar Lap Real-Time, NI Linux Real-Time and no-operating-system part numbers. NI now identifies these configurations as no longer available for normal purchase, with support status varying between Standard Support, Limited Support and Discontinued.<\/p>\n<h3>Key Features of the PXIe-8840<\/h3>\n<ul>\n<li>Dual-core and quad-core processor configurations<\/li>\n<li>2.7 GHz Intel Core i5-4400E dual-core processor<\/li>\n<li>2.6 GHz Intel Core i7-5700EQ quad-core processor<\/li>\n<li>Up to 3.3 GHz Turbo frequency on the dual-core version<\/li>\n<li>Up to 3.4 GHz Turbo frequency on the quad-core version<\/li>\n<li>3 MB cache on the dual-core processor<\/li>\n<li>6 MB cache on the quad-core processor<\/li>\n<li>Up to 8 GB DDR3L memory<\/li>\n<li>250 GB or 320 GB integrated Serial ATA storage<\/li>\n<li>2 GB\/s maximum bandwidth on dual-core configurations<\/li>\n<li>8 GB\/s maximum bandwidth on quad-core configurations<\/li>\n<li>Two 10\/100\/1000BASE-T Ethernet ports<\/li>\n<li>Two DisplayPort video outputs<\/li>\n<li>Two USB 3.0 Type-A ports<\/li>\n<li>Four USB 2.0 Type-A ports<\/li>\n<li>One DB-9 RS-232 serial port<\/li>\n<li>Integrated GPIB controller<\/li>\n<li>One SMB PXI trigger-bus input\/output<\/li>\n<li>Hardware watchdog timer<\/li>\n<li>Optional ExpressCard\/34 slot on a specific quad-core variant<\/li>\n<li>Windows 7 and Windows 10 configurations<\/li>\n<li>Phar Lap and NI Linux Real-Time configurations<\/li>\n<li>Four-wide 3U PXI Express form factor<\/li>\n<\/ul>\n<h3>Dual-Core and Quad-Core Configurations<\/h3>\n<p>The PXIe-8840 name covers two significantly different processor and backplane-performance configurations. The exact part number must therefore be checked before ordering a replacement controller.<\/p>\n<h4>PXIe-8840 Dual-Core<\/h4>\n<p>The dual-core version uses an Intel Core i5-4400E processor operating at a 2.7 GHz base frequency. The processor includes 3 MB of cache and can operate at up to approximately 3.3 GHz through Intel Turbo Boost.<\/p>\n<p>Dual-core versions provide up to <strong>2 GB\/s maximum controller bandwidth<\/strong>. These configurations are suitable for instrument control, general automated testing, moderate data acquisition and applications that do not require the greater parallel processing or backplane bandwidth of the quad-core version.<\/p>\n<h4>PXIe-8840 Quad-Core<\/h4>\n<p>The quad-core version uses an Intel Core i7-5700EQ processor operating at a 2.6 GHz base frequency. It provides 6 MB of cache and supports Intel Turbo Boost for higher short-duration processor frequency.<\/p>\n<p>Quad-core configurations provide up to <strong>8 GB\/s maximum controller bandwidth<\/strong>. They are better suited to processor-intensive modular instrumentation, multi-module acquisition and test applications that must run several operations simultaneously.<\/p>\n<h3>Selecting Dual-Core or Quad-Core Performance<\/h3>\n<p>Select the dual-core PXIe-8840 when maintaining a qualified test system whose workload and chassis topology were designed around the 2 GB\/s controller. A dual-core version may also be adequate for switching, DMM, serial communication and moderate DAQ applications.<\/p>\n<p>Select the quad-core version when the application needs additional processing threads or higher aggregate PXI Express throughput. The 8 GB\/s configuration provides more margin for digitizers, RF instruments and simultaneous data transfers.<\/p>\n<p>The two configurations should not be treated as identical replacements. Processor type, memory, storage and backplane bandwidth can differ even though both products use the PXIe-8840 model name.<\/p>\n<h3>DDR3L System Memory<\/h3>\n<p>The PXIe-8840 uses 1600 MHz DDR3L PC3-12800 memory. The controller supports up to <strong>8 GB<\/strong> in one SODIMM socket.<\/p>\n<p>The quad-core hardware manual specifies 4 GB standard memory and 8 GB maximum. Some earlier product configurations and commercial listings may show different factory-installed capacities, including 2 GB on selected dual-core versions.<\/p>\n<p>The installed memory should be verified directly when purchasing a used controller. The amount of RAM affects waveform buffering, operating-system performance and the number of software processes that can run simultaneously.<\/p>\n<p>NI identified the following qualified memory options for the quad-core controller:<\/p>\n<ul>\n<li>4 GB DDR3L-1600 SODIMM, part number 782341-4096<\/li>\n<li>8 GB DDR3L-1600 SODIMM, part number 783001-8192<\/li>\n<\/ul>\n<h3>Integrated Serial ATA Storage<\/h3>\n<p>PXIe-8840 configurations include an internal Serial ATA drive. Storage capacity depends on the processor and ordering configuration.<\/p>\n<p>Dual-core versions commonly include a 250 GB drive, while quad-core versions commonly include a 320 GB drive. Several no-OS configurations are also listed with 320 GB of storage.<\/p>\n<p>The drive stores the operating system, drivers, test software and locally recorded data. High-volume acquisition systems should monitor storage capacity and transfer important test results to network or external storage.<\/p>\n<p>The PXIe-8840 does not provide a front-removable drive. Replacing the internal storage requires the controller to be powered down and serviced according to the applicable hardware procedure.<\/p>\n<h3>PXIe-8840 Backplane Bandwidth<\/h3>\n<p>The maximum controller bandwidth depends on the processor configuration. Dual-core versions provide up to 2 GB\/s, while quad-core configurations provide up to 8 GB\/s.<\/p>\n<p>The quad-core controller supports a four-link configuration of x4, x4, x4 and x4 or a two-link configuration of x8 and x8. The active link topology depends on the PXI Express chassis.<\/p>\n<p>Actual application throughput depends on the chassis, installed modules, slot arrangement, DMA architecture, acquisition record size, memory and storage. The controller-bandwidth specification does not guarantee that the internal drive can record at the same rate.<\/p>\n<h3>\u0414\u0432\u0430 \u0433\u0438\u0433\u0430\u0431\u0438\u0442\u043d\u044b\u0445 Ethernet<\/h3>\n<p>The PXIe-8840 provides two 10\/100\/1000BASE-T Ethernet connections through RJ45 ports. The quad-core architecture uses an Intel I217-LM interface and an Intel I210-IT interface.<\/p>\n<p>Dual Ethernet ports allow test-system traffic to be separated. One interface can communicate with instruments or devices under test while the second connects to a production network, database or remote engineering workstation.<\/p>\n<p>The Ethernet interfaces support automatic crossover, allowing compatible devices to be connected without a dedicated crossover cable.<\/p>\n<h3>Dual DisplayPort Outputs<\/h3>\n<p>The PXIe-8840 provides two DisplayPort video outputs. They can be used for operating-system configuration, BIOS setup, software development, diagnostics and local operation of the test station.<\/p>\n<p>A dual-monitor arrangement can display the operator interface on one screen and measurement data, system status or development tools on another.<\/p>\n<p>Monitor resolution and adapter compatibility depend on the controller graphics driver, operating system and connected display. A direct digital DisplayPort connection is preferable when available.<\/p>\n<h3>USB Peripheral Connections<\/h3>\n<p>The front panel provides two USB 3.0 Type-A ports and four USB 2.0 Type-A ports. USB 3.0 connections are appropriate for compatible high-throughput peripherals, while USB 2.0 ports can support keyboards, mice and license devices.<\/p>\n<p>USB 3.0 ports are backward compatible with USB 2.0 equipment. High-speed external storage should normally use the USB 3.0 ports.<\/p>\n<p>Power consumed by bus-powered USB devices must be included in the complete chassis power budget.<\/p>\n<h3>RS-232 Serial Communication<\/h3>\n<p>A DB-9 COM1 port provides RS-232 communication with legacy instruments, environmental chambers, industrial controllers and custom test fixtures.<\/p>\n<p>Serial parameters such as baud rate, parity, data bits, stop bits and flow control must match the connected device. Verify whether the application requires a straight-through or null-modem cable.<\/p>\n<h3>Integrated GPIB Controller<\/h3>\n<p>The PXIe-8840 includes a GPIB controller for communication with IEEE 488.2 instruments. This allows existing oscilloscopes, programmable power supplies, signal generators and other standalone equipment to be incorporated into a PXI test system.<\/p>\n<p>A compatible cable or adapter is required for the controller\u2019s compact GPIB connector. NI-488.2 must be installed, and each instrument must use a unique GPIB address.<\/p>\n<h3>PXI Trigger Bus Interface<\/h3>\n<p>An SMB connector provides a routable connection between the controller front panel and the PXI backplane trigger bus. External events can initiate PXI measurements, or PXI trigger signals can be exported to compatible equipment.<\/p>\n<p>Trigger direction, selected backplane line and electrical compatibility must be configured correctly through software.<\/p>\n<h3>Hardware Watchdog Timer<\/h3>\n<p>The controller includes a watchdog timer that can reset the PXIe-8840 or generate a trigger when an application stops responding. This function is useful in unattended and long-duration automated systems.<\/p>\n<p>Watchdog recovery must be coordinated with DUT power, switching hardware and safety interlocks. An automatic controller reset should not leave the test fixture in an unsafe state.<\/p>\n<h3>ExpressCard\/34 Expansion Option<\/h3>\n<p>A specific quad-core version, part number <strong>784340-00<\/strong>, includes an ExpressCard\/34 expansion slot. The slot can accept compatible ExpressCard devices and supports automatic device detection.<\/p>\n<p>Most PXIe-8840 versions do not include this slot. Verify the front panel and complete part number if ExpressCard compatibility is required.<\/p>\n<p>Before removing an ExpressCard, stop communication and use the operating system\u2019s safe-removal procedure to avoid data loss.<\/p>\n<h3>Windows and Real-Time Operating Systems<\/h3>\n<p>The PXIe-8840 was supplied with multiple operating-system generations. Correctly identifying the installed platform is essential when replacing or restoring a controller.<\/p>\n<h4>Windows 7<\/h4>\n<p>Part number 784007-04 is a quad-core Windows 7 64-bit configuration. Windows 7 is now a legacy operating system, so driver availability and cybersecurity requirements should be reviewed carefully.<\/p>\n<h4>Windows 10<\/h4>\n<p>Windows 10 versions are available for both dual-core and quad-core controllers. Part number 785782-0118 is specifically identified as a Simplified Chinese Windows 10 configuration.<\/p>\n<h4>LabVIEW Real-Time Phar Lap<\/h4>\n<p>Earlier real-time configurations use the Phar Lap ETS operating system. These versions may be required for maintaining existing applications and drivers that were validated on Phar Lap.<\/p>\n<h4>NI Linux Real-Time<\/h4>\n<p>Later real-time configurations use NI Linux Real-Time. Phar Lap applications should not be assumed to run without modification under NI Linux Real-Time.<\/p>\n<h4>No-OS Configurations<\/h4>\n<p>Several part numbers were supplied without an operating system. These versions are intended for qualified integrators who can install, license and maintain a compatible software image.<\/p>\n<h3>Product Lifecycle and Replacement Planning<\/h3>\n<p>NI identifies PXIe-8840 configurations as no longer available for normal purchase. Individual part numbers have Standard Support, Limited Support or Discontinued lifecycle status.<\/p>\n<p>NI lists part number <strong>788816-01<\/strong>, a PXIe-8842 Windows 11 controller, as the recommended replacement for several PXIe-8840 configurations. Replacement suitability still depends on the chassis, operating system, drivers and test application.<\/p>\n<p>Existing systems can also be maintained using verified surplus or tested pre-owned PXIe-8840 controllers when application migration is not practical.<\/p>\n<h2>PXIe-8840 Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-8840<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>PXI Express embedded controller<\/td>\n<\/tr>\n<tr>\n<th>Processor Options<\/th>\n<td>Intel Core i5-4400E or Intel Core i7-5700EQ<\/td>\n<\/tr>\n<tr>\n<th>Processor Cores<\/th>\n<td>2 or 4, configuration dependent<\/td>\n<\/tr>\n<tr>\n<th>Dual-Core Base Frequency<\/th>\n<td>2.7 GHz<\/td>\n<\/tr>\n<tr>\n<th>Dual-Core Cache<\/th>\n<td>3 MB<\/td>\n<\/tr>\n<tr>\n<th>Quad-Core Base Frequency<\/th>\n<td>2.6 GHz<\/td>\n<\/tr>\n<tr>\n<th>Quad-Core Cache<\/th>\n<td>6 MB<\/td>\n<\/tr>\n<tr>\n<th>Memory Type<\/th>\n<td>DDR3L-1600, PC3-12800 SODIMM<\/td>\n<\/tr>\n<tr>\n<th>Factory-Installed Memory<\/th>\n<td>2 GB or 4 GB on earlier configurations; configuration dependent<\/td>\n<\/tr>\n<tr>\n<th>Maximum Memory<\/th>\n<td>8 GB<\/td>\n<\/tr>\n<tr>\n<th>\u0425\u0440\u0430\u043d\u0435\u043d\u0438\u0435<\/th>\n<td>250 GB or 320 GB integrated Serial ATA drive<\/td>\n<\/tr>\n<tr>\n<th>Removable Storage<\/th>\n<td>No<\/td>\n<\/tr>\n<tr>\n<th>Dual-Core Maximum Bandwidth<\/th>\n<td>2 GB\/s<\/td>\n<\/tr>\n<tr>\n<th>Quad-Core Maximum Bandwidth<\/th>\n<td>8 GB\/s<\/td>\n<\/tr>\n<tr>\n<th>Quad-Core Four-Link Configuration<\/th>\n<td>x4, x4, x4, x4<\/td>\n<\/tr>\n<tr>\n<th>Quad-Core Two-Link Configuration<\/th>\n<td>x8 and x8<\/td>\n<\/tr>\n<tr>\n<th>Ethernet<\/th>\n<td>2 \u00d7 10\/100\/1000BASE-T RJ45 ports<\/td>\n<\/tr>\n<tr>\n<th>Display Outputs<\/th>\n<td>2 \u00d7 DisplayPort<\/td>\n<\/tr>\n<tr>\n<th>USB 3.0<\/th>\n<td>2 \u00d7 Type-A ports<\/td>\n<\/tr>\n<tr>\n<th>USB 2.0<\/th>\n<td>4 \u00d7 Type-A ports<\/td>\n<\/tr>\n<tr>\n<th>Serial Interface<\/th>\n<td>1 \u00d7 DB-9 RS-232 port<\/td>\n<\/tr>\n<tr>\n<th>GPIB<\/th>\n<td>Integrated IEEE 488 controller<\/td>\n<\/tr>\n<tr>\n<th>Trigger Interface<\/th>\n<td>1 \u00d7 SMB PXI trigger-bus input\/output<\/td>\n<\/tr>\n<tr>\n<th>Expansion Interface<\/th>\n<td>ExpressCard\/34 on part number 784340-00 only<\/td>\n<\/tr>\n<tr>\n<th>Watchdog Timer<\/th>\n<td>Controller reset or trigger-generation capability<\/td>\n<\/tr>\n<tr>\n<th>Operating System Options<\/th>\n<td>Windows 7, Windows 10, Phar Lap, NI Linux Real-Time or no OS<\/td>\n<\/tr>\n<tr>\n<th>Module Format<\/th>\n<td>Four-wide 3U PXI Express module<\/td>\n<\/tr>\n<tr>\n<th>Slot Requirement<\/th>\n<td>One system slot plus three controller expansion slots<\/td>\n<\/tr>\n<tr>\n<th>\u0421\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 PXI<\/th>\n<td>PXI Express Specification 1.0<\/td>\n<\/tr>\n<tr>\n<th>Typical Quad-Core Weight<\/th>\n<td>1.32 kg<\/td>\n<\/tr>\n<tr>\n<th>Standard Operating Temperature<\/th>\n<td>5\u00b0C to 50\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Extended-Temperature Option<\/th>\n<td>0\u00b0C to 55\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Operating Humidity<\/th>\n<td>10% to 90%, noncondensing<\/td>\n<\/tr>\n<tr>\n<th>Standard Storage Temperature<\/th>\n<td>-40\u00b0C to 65\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Extended Storage Temperature<\/th>\n<td>-40\u00b0C to 71\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Storage Humidity<\/th>\n<td>5% to 95%, noncondensing<\/td>\n<\/tr>\n<tr>\n<th>Maximum Altitude<\/th>\n<td>2,000 m at 25\u00b0C ambient<\/td>\n<\/tr>\n<tr>\n<th>Operating Shock<\/th>\n<td>30 g peak, half-sine, 11 ms pulse<\/td>\n<\/tr>\n<tr>\n<th>Operating Random Vibration<\/th>\n<td>5 Hz to 500 Hz, 0.3 grms with solid-state drive<\/td>\n<\/tr>\n<tr>\n<th>Nonoperating Random Vibration<\/th>\n<td>5 Hz to 500 Hz, 2.4 grms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Quad-Core Electrical Requirements<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Power Rail<\/th>\n<th>Typical Current<\/th>\n<th>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0442\u043e\u043a<\/th>\n<\/tr>\n<tr>\n<td>+3.3 V<\/td>\n<td>1.68 A<\/td>\n<td>2.82 A<\/td>\n<\/tr>\n<tr>\n<td>+5 V<\/td>\n<td>1.99 A<\/td>\n<td>3.63 A<\/td>\n<\/tr>\n<tr>\n<td>+12 V<\/td>\n<td>5.19 A<\/td>\n<td>8.79 A<\/td>\n<\/tr>\n<tr>\n<td>-12 V<\/td>\n<td>0 A<\/td>\n<td>0 A<\/td>\n<\/tr>\n<tr>\n<td>+5 V auxiliary<\/td>\n<td>0.20 A<\/td>\n<td>0.35 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These values apply to the documented quad-core controller and do not include USB devices or an ExpressCard. Verify the applicable specification for the exact dual-core or extended-temperature version.<\/p>\n<h2>PXIe-8840 Part Number and Accessories<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Part Number<\/th>\n<th>\u041f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440<\/th>\n<th>\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430<\/th>\n<th>\u041f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0430\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c<\/th>\n<th>\u0425\u0440\u0430\u043d\u0435\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td>784007-00<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>No OS<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>784007-04<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>Windows 7, 64-bit<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>785546-01<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>Windows 10, 64-bit<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>784007-33<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>LabVIEW Real-Time, Phar Lap<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>787894-33<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>NI Linux Real-Time<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>784340-00<\/td>\n<td>Quad-Core Intel Core i7<\/td>\n<td>No OS<\/td>\n<td>8 GB\/s<\/td>\n<td>320 GB; ExpressCard version<\/td>\n<\/tr>\n<tr>\n<td>785782-01<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>Windows 10, 64-bit<\/td>\n<td>2 GB\/s<\/td>\n<td>250 GB<\/td>\n<\/tr>\n<tr>\n<td>785782-0118<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>Windows 10, 64-bit, Simplified Chinese<\/td>\n<td>2 GB\/s<\/td>\n<td>250 GB<\/td>\n<\/tr>\n<tr>\n<td>785782-33<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>LabVIEW Real-Time, Phar Lap<\/td>\n<td>2 GB\/s<\/td>\n<td>250 GB<\/td>\n<\/tr>\n<tr>\n<td>787893-33<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>NI Linux Real-Time<\/td>\n<td>2 GB\/s<\/td>\n<td>250 GB<\/td>\n<\/tr>\n<tr>\n<td>785781-00<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>No OS<\/td>\n<td>2 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<tr>\n<td>783001-00<\/td>\n<td>Dual-Core Intel Core i5<\/td>\n<td>No OS<\/td>\n<td>2 GB\/s<\/td>\n<td>320 GB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>PXIe-8840 part numbers differ substantially in processor, bandwidth, operating system, storage and ExpressCard support. Always quote and purchase using the complete NI part number.<\/p>\n<h3>Recommended Accessories<\/h3>\n<ul>\n<li>Compatible PXI Express chassis with four available controller positions<\/li>\n<li>DisplayPort monitor or compatible video adapter<\/li>\n<li>Compact-GPIB-to-standard-GPIB cable<\/li>\n<li>Cat 5e or better Ethernet cables<\/li>\n<li>USB keyboard and mouse<\/li>\n<li>External USB or network storage for test results<\/li>\n<li>4 GB DDR3L SODIMM, part number 782341-4096<\/li>\n<li>8 GB DDR3L SODIMM, part number 783001-8192<\/li>\n<li>Compatible ExpressCard\/34 hardware for part number 784340-00<\/li>\n<\/ul>\n<h3>Recommended Software<\/h3>\n<ul>\n<li>LabVIEW for test and measurement development<\/li>\n<li>TestStand for automated sequence execution<\/li>\n<li>NI-DAQmx for supported data-acquisition modules<\/li>\n<li>NI-RFSA and NI-RFSG for compatible RF instruments<\/li>\n<li>NI-VISA for serial and instrument communication<\/li>\n<li>NI-488.2 for GPIB communication<\/li>\n<li>Device drivers matching the installed Windows or real-time system<\/li>\n<\/ul>\n<h3>Buying a Used PXIe-8840<\/h3>\n<p>For a pre-owned controller, verify the processor model, installed RAM, drive capacity, operating system, GPIB port, DisplayPort outputs, USB ports, Ethernet interfaces and PXI backplane communication.<\/p>\n<p>Request an SSD or hard-drive health report and confirm that the controller passes BIOS memory and storage diagnostics. A functional test report is particularly important because different PXIe-8840 part numbers are not equivalent.<\/p>\n<h2>PXIe-8840 Applications<\/h2>\n<h3>Automated Test Equipment<\/h3>\n<p>The PXIe-8840 can operate as the central computer in automated test equipment containing DMMs, digitizers, waveform generators, switch modules, programmable power supplies and DAQ hardware.<\/p>\n<p>Windows configurations support conventional test software, while real-time versions support compatible deterministic applications.<\/p>\n<h3>Multifunction Data Acquisition<\/h3>\n<p>The controller can coordinate compatible analog input, analog output, digital I\/O and counter\/timer modules. The quad-core version provides additional processing and bandwidth for multi-module acquisition.<\/p>\n<p>Required throughput should be calculated from channel count, sample rate, resolution and acquisition duration.<\/p>\n<h3>Production Functional Testing<\/h3>\n<p>Production systems can use the controller to execute test sequences, configure instruments, process measurements and save results. Dual Ethernet ports can separate DUT communication from factory-network traffic.<\/p>\n<h3>Design Validation<\/h3>\n<p>The PXIe-8840 can coordinate multiple instruments used for electronic design verification. Software-controlled switching allows the same instruments to measure many DUT points without manual cable changes.<\/p>\n<h3>Hardware-in-the-Loop Testing<\/h3>\n<p>Phar Lap and NI Linux Real-Time versions can support compatible HIL and deterministic control applications. Driver and operating-system generation must match the existing real-time project.<\/p>\n<h3>Laboratory Instrument Integration<\/h3>\n<p>Integrated GPIB and RS-232 ports allow legacy standalone instruments to operate alongside PXI modules. This can extend the useful life of existing laboratory equipment.<\/p>\n<h3>RF and Modular Instrumentation<\/h3>\n<p>The quad-core PXIe-8840 can control compatible RF signal generators, analyzers and switching hardware. Systems with heavier RF processing may require a higher-performance PXIe-8861 or PXIe-8881 controller.<\/p>\n<h3>Maintenance of Qualified PXI Systems<\/h3>\n<p>The PXIe-8840 remains important for test systems that have already been validated around its hardware, operating system and driver versions. A matching replacement can avoid extensive software migration and requalification.<\/p>\n<h2>PXIe-8840 Installation Workflow<\/h2>\n<h3>Step 1: Identify the Exact Part Number<\/h3>\n<p>Confirm whether the controller is dual-core or quad-core and record its operating system, storage, memory and ExpressCard configuration.<\/p>\n<h3>Step 2: Verify Chassis Compatibility<\/h3>\n<p>Use a compatible PXI Express chassis with a system-controller slot and three adjacent expansion slots. Check that the chassis provides the required link topology.<\/p>\n<h3>Step 3: Calculate Power and Cooling<\/h3>\n<p>Include the controller, installed modules, USB devices and optional ExpressCard in the system power calculation. Confirm that chassis airflow is unobstructed.<\/p>\n<h3>Step 4: Apply ESD Protection<\/h3>\n<p>Keep the controller in antistatic packaging until installation. Ground yourself and avoid touching exposed connector pins.<\/p>\n<h3>Step 5: Power Off the Chassis<\/h3>\n<p>Connect the chassis to protective ground but keep the power off while installing the controller.<\/p>\n<h3>Step 6: Install the PXIe-8840<\/h3>\n<p>Lower the injector\/ejector handle, align the controller with the card guides and slide it into the system slot. Use the handle to seat the connectors and secure the front-panel screws.<\/p>\n<h3>Step 7: Connect Peripherals<\/h3>\n<p>Connect a DisplayPort monitor, USB keyboard and mouse. Attach Ethernet, serial, GPIB and trigger cables according to the test-system design.<\/p>\n<h3>Step 8: Start and Configure the BIOS<\/h3>\n<p>Power on the chassis and press Delete when prompted to enter the BIOS. Avoid changing advanced settings unless required because incorrect values can make the controller unstable or unbootable.<\/p>\n<h3>Step 9: Install the Correct Operating System<\/h3>\n<p>Restore or install the operating system associated with the selected part number. Do not assume that a Phar Lap image can be replaced directly with NI Linux Real-Time.<\/p>\n<h3>Step 10: Install Drivers and Applications<\/h3>\n<p>Install chipset, graphics, Ethernet, GPIB and PXI device drivers. Add LabVIEW, TestStand or the required runtime environment.<\/p>\n<h3>Step 11: Verify the PXI System<\/h3>\n<p>Confirm that the chassis and all installed modules are detected. Test network, serial, GPIB and trigger communication before deploying the final application.<\/p>\n<h3>Step 12: Create a Recovery Backup<\/h3>\n<p>Preserve the factory recovery image and create an application backup. The Windows recovery tool can be accessed with F4 during startup, but recovery erases existing drive contents.<\/p>\n<h2>PXIe-8840 Troubleshooting<\/h2>\n<h3>The Controller Does Not Power On<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Verify chassis power, fuse condition and inhibit settings. Confirm that the PXIe-8840 is fully seated in the system slot and disconnect unnecessary USB or ExpressCard devices.<\/p>\n<h3>The Controller Does Not Boot<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Check the BIOS boot order and disconnect unnecessary bootable USB devices. Press F2 during startup to access the storage and memory diagnostic utilities.<\/p>\n<h3>The Drive Diagnostic Fails<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Back up recoverable data and replace the drive using a compatible storage device. NI specifies that the controller will not boot after a failed drive diagnostic.<\/p>\n<h3>The Memory Diagnostic Fails<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Power off the chassis, remove the controller and inspect the SODIMM. Replace it with compatible DDR3L memory and rerun the diagnostic.<\/p>\n<h3>PXI Modules Are Missing<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Reseat the affected modules, verify chassis slot compatibility and install the correct drivers. Confirm that the chassis link topology matches the controller configuration.<\/p>\n<h3>Throughput Is Lower Than Expected<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Confirm whether the controller is the 2 GB\/s dual-core or 8 GB\/s quad-core version. Review DMA settings, record sizes, chassis topology, storage performance and CPU utilization.<\/p>\n<h3>A GPIB Instrument Does Not Respond<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Install NI-488.2 and verify the cable, instrument address and bus configuration. Test one instrument before reconnecting the complete GPIB system.<\/p>\n<h3>RS-232 Communication Fails<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Confirm baud rate, parity, data bits, stop bits and flow control. Verify the cable pinout and whether a null-modem connection is required.<\/p>\n<h3>The Ethernet Connection Is Slow<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Confirm Gigabit link negotiation and inspect the Ethernet cable and network switch. Test the two ports separately.<\/p>\n<h3>The ExpressCard Is Not Detected<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Confirm that the controller is part number 784340-00 and that the card is correctly inserted. Install any required third-party driver.<\/p>\n<h3>The BIOS Configuration Is Corrupted<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Press F9 in the BIOS to restore factory defaults. If the controller remains unbootable, power down, remove it and use the internal Clear CMOS switch according to the manual.<\/p>\n<h3>Windows Recovery Does Not Start<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Press and hold F4 when video first appears. If the recovery partition is unavailable, use the appropriate recovery media with a compatible external USB drive.<\/p>\n<h3>The Real-Time Application Will Not Deploy<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Determine whether the controller uses Phar Lap or NI Linux Real-Time. Match the host software, runtime version and device drivers to that operating system.<\/p>\n<h3>The Controller Overheats<\/h3>\n<h5>Recommended Checks<\/h5>\n<p>Check chassis airflow, fan speed, filters and ambient temperature. Verify whether the controller is a standard or extended-temperature version.<\/p>\n<h2>PXIe-8840 Comparison<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>\u041f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440<\/th>\n<th>Maximum Bandwidth<\/th>\n<th>Best Suited For<\/th>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8821\/\">PXIe-8821<\/a><\/td>\n<td>Intel Core i3<\/td>\n<td>2 GB\/s<\/td>\n<td>Basic instrument control and automated testing<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8840\/\">PXIe-8840<\/a><\/td>\n<td>Dual-core Core i5 or quad-core Core i7<\/td>\n<td>2 GB\/s or 8 GB\/s<\/td>\n<td>Legacy automated test, DAQ and modular instrumentation<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8842\/\">PXIe-8842<\/a><\/td>\n<td>Six-core Intel Core i5<\/td>\n<td>8 GB\/s<\/td>\n<td>Modern multifunction DAQ and moderate streaming<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8861\/\">PXIe-8861<\/a><\/td>\n<td>Quad-core Intel Xeon<\/td>\n<td>16 GB\/s<\/td>\n<td>Processor-intensive RF and DAQ applications<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8881\/\">PXIe-8881<\/a><\/td>\n<td>Four-, eight- or eighteen-core Intel Xeon<\/td>\n<td>24 \u0413\u0411\/\u0441<\/td>\n<td>High-performance RF and parallel analysis<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>PXIe-8840 Dual-Core vs Quad-Core<\/h3>\n<p>The dual-core version uses an Intel Core i5 processor and provides 2 GB\/s bandwidth. The quad-core version uses an Intel Core i7 processor and provides up to 8 GB\/s.<\/p>\n<p>Selecting the wrong version can substantially change test-system performance. Always verify the part number rather than relying only on the front-panel model name.<\/p>\n<h3>PXIe-8840 vs PXIe-8842<\/h3>\n<p>The PXIe-8842 is the newer six-core controller and is NI\u2019s recommended replacement for several PXIe-8840 configurations. It provides DDR4 memory, NVMe storage, dual 2.5GbE and Thunderbolt 4.<\/p>\n<p>Migration requires checking the operating system, software, drivers, chassis compatibility and external interfaces. The PXIe-8842 does not automatically reproduce every legacy PXIe-8840 configuration.<\/p>\n<h3>PXIe-8840 vs PXIe-8861<\/h3>\n<p>The PXIe-8861 provides a quad-core Intel Xeon processor and 16 GB\/s bandwidth. It is better suited to more demanding RF and acquisition systems.<\/p>\n<p>The PXIe-8840 remains appropriate for maintaining systems validated around its Core i5 or Core i7 hardware and legacy operating systems.<\/p>\n<h3>PXIe-8840 vs PXIe-8881<\/h3>\n<p>The PXIe-8881 provides significantly more processor, memory and bandwidth capability, including options with as many as 18 Xeon cores and 64 GB memory.<\/p>\n<p>It is intended for substantially more demanding workloads and has higher chassis cooling requirements than the PXIe-8840.<\/p>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8842\/\">PXIe-8842 Six-Core PXI Express Controller<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8821\/\">PXIe-8821 PXI Express Embedded Controller<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8861\/\">PXIe-8861 Quad-Core Xeon PXI Controller<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8862\/\">PXIe-8862 Eight-Core PXI Express Controller<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8881\/\">PXIe-8881 High-Performance PXI Controller<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1085\/\">PXIe-1085 PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d1%8c%d0%b5-1095\/\">PXIe-1095 PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product-category\/%d0%bd%d0%b8\/pxi-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d1%81\/pxi-controller\/\">View More NI PXI Controllers<\/a><\/li>\n<\/ul>\n<h3>Why Choose the PXIe-8840?<\/h3>\n<ul>\n<li>Maintains compatibility with established PXI Express systems<\/li>\n<li>Offers dual-core and quad-core processor options<\/li>\n<li>Provides up to 8 GB\/s controller bandwidth<\/li>\n<li>Supports up to 8 GB DDR3L memory<\/li>\n<li>Includes dual Gigabit Ethernet<\/li>\n<li>Provides two DisplayPort outputs<\/li>\n<li>Includes six front-panel USB ports<\/li>\n<li>Integrates RS-232 and GPIB instrument control<\/li>\n<li>Supports external PXI trigger routing<\/li>\n<li>Offers Windows and real-time operating-system options<\/li>\n<li>Provides an ExpressCard option on a specialized configuration<\/li>\n<\/ul>\n<h2>Frequently Asked Questions<\/h2>\n<h4>What is the PXIe-8840?<\/h4>\n<p>The PXIe-8840 is a four-wide embedded controller used to operate compatible PXI Express chassis and instruments.<\/p>\n<h4>Is the PXIe-8840 dual-core or quad-core?<\/h4>\n<p>Both versions exist. The exact processor configuration is determined by the NI part number.<\/p>\n<h4>Which processor is used in the dual-core version?<\/h4>\n<p>The dual-core version uses a 2.7 GHz Intel Core i5-4400E processor.<\/p>\n<h4>Which processor is used in the quad-core version?<\/h4>\n<p>The quad-core version uses a 2.6 GHz Intel Core i7-5700EQ processor.<\/p>\n<h4>What is the maximum controller bandwidth?<\/h4>\n<p>Dual-core versions provide up to 2 GB\/s, while quad-core versions provide up to 8 GB\/s.<\/p>\n<h4>How much memory does the PXIe-8840 support?<\/h4>\n<p>The controller supports up to 8 GB of DDR3L-1600 memory. Factory-installed capacity varies by configuration.<\/p>\n<h4>What storage capacity is included?<\/h4>\n<p>Configurations are listed with either 250 GB or 320 GB of internal Serial ATA storage.<\/p>\n<h4>Does the PXIe-8840 support Windows 10?<\/h4>\n<p>Yes. Both dual-core and quad-core Windows 10 configurations were produced.<\/p>\n<h4>Does it support NI Linux Real-Time?<\/h4>\n<p>Yes. Separate NI Linux Real-Time part numbers are available for the dual-core and quad-core versions.<\/p>\n<h4>Does it support Phar Lap Real-Time?<\/h4>\n<p>Yes. Earlier real-time configurations use Phar Lap ETS.<\/p>\n<h4>Can Phar Lap software run directly on NI Linux Real-Time?<\/h4>\n<p>Not necessarily. Application code, drivers and system configuration may require migration and validation.<\/p>\n<h4>Does the PXIe-8840 include GPIB?<\/h4>\n<p>Yes. Listed configurations include an integrated IEEE 488 GPIB controller.<\/p>\n<h4>Does it provide an RS-232 port?<\/h4>\n<p>Yes. One DB-9 RS-232 serial interface is provided.<\/p>\n<h4>How many Ethernet ports are included?<\/h4>\n<p>The controller provides two 10\/100\/1000BASE-T Gigabit Ethernet ports.<\/p>\n<h4>How many USB ports are provided?<\/h4>\n<p>It includes two USB 3.0 and four USB 2.0 ports.<\/p>\n<h4>Does every PXIe-8840 have an ExpressCard slot?<\/h4>\n<p>No. ExpressCard\/34 is available only on the specialized quad-core ExpressCard version, part number 784340-00.<\/p>\n<h4>How many chassis slots does it occupy?<\/h4>\n<p>The controller occupies the system-controller slot and three adjacent expansion slots.<\/p>\n<h4>What is the normal operating-temperature range?<\/h4>\n<p>The standard operating range is 5\u00b0C to 50\u00b0C. Selected extended-temperature hardware supports 0\u00b0C to 55\u00b0C.<\/p>\n<h4>Is the PXIe-8840 still available from NI?<\/h4>\n<p>NI lists its configurations as no longer available for normal purchase. Support status varies by part number.<\/p>\n<h4>What is the recommended replacement?<\/h4>\n<p>NI lists PXIe-8842 part number 788816-01 as the recommended replacement for several PXIe-8840 configurations.<\/p>\n<h4>Can a PXIe-8842 directly replace every PXIe-8840?<\/h4>\n<p>No. Chassis, software, operating system, drivers, GPIB requirements and application performance must be checked before migration.<\/p>\n<h4>What should be checked when purchasing a used PXIe-8840?<\/h4>\n<p>Verify the full part number, processor, RAM, drive health, operating system, ports, PXI backplane communication and BIOS diagnostic results.<\/p>\n<h3>Request a Quote for the PXIe-8840<\/h3>\n<p>Contact us for current availability, condition, lead time and project pricing for the <strong>NI PXIe-8840 Dual-Core or Quad-Core PXI Express Embedded Controller<\/strong>. Please include the complete part number and required operating system with your inquiry.<\/p>\n<p>We can also help identify compatible PXI Express chassis, memory, storage, cables and replacement controllers for automated test, data acquisition, RF and real-time control systems.<\/p>","protected":false},"excerpt":{"rendered":"<p>Controller OS: LabVIEW Real-Time (Phar Lap)<br \/>\nProcessor Core: Intel Core i5<br \/>\nMaximum Controller Bandwidth: 2 GB\/s<br \/>\nHard Drive Memory Size: 250 GB<br \/>\nNumber of Cores: 2<\/p>","protected":false},"featured_media":31874,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[666],"product_tag":[],"class_list":["post-30012","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-controller","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 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