{"id":32773,"date":"2026-05-13T13:52:14","date_gmt":"2026-05-13T05:52:14","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=32773"},"modified":"2026-08-29T13:41:32","modified_gmt":"2026-08-29T05:41:32","slug":"pxie-7861","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-7861\/","title":{"rendered":"PXIe-7861"},"content":{"rendered":"<h3>PXIe-7861 Kintex-7 FPGA Multifunction RIO Module<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>PXIe-7861<\/strong> is a PXI Express multifunction reconfigurable I\/O module featuring a user-programmable <strong>FPGA Kintex-7 160T<\/strong>. It combines analog acquisition, analog generation, digital I\/O and onboard memory for deterministic test, measurement and control systems.<\/p>\n<p>With <strong>16 analog inputs<\/strong>, <strong>8 analog outputs<\/strong>, <strong>32 bidirectional digital I\/O lines<\/strong> \u0438 <strong>512 MB of onboard DRAM<\/strong>, the PXIe-7861 is designed for hardware-in-the-loop testing, sensor simulation, custom protocol communication and high-speed control applications.<\/p>\n<h3>Key Features of the PXIe-7861<\/h3>\n<ul>\n<li>Kintex-7 160T user-programmable FPGA<\/li>\n<li>512 MB onboard DRAM<\/li>\n<li>16 simultaneously sampled analog input channels<\/li>\n<li>16-bit analog input resolution<\/li>\n<li>1 MS\/s maximum sampling rate per analog input<\/li>\n<li>8 \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u044b\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432<\/li>\n<li>16-bit analog output resolution<\/li>\n<li>1 MS\/s maximum analog output update rate<\/li>\n<li>32 bidirectional digital I\/O lines<\/li>\n<li>10 MHz maximum digital clock rate<\/li>\n<li>3.3 V single-ended digital logic<\/li>\n<li>Independent timing and triggering for individual channels<\/li>\n<li>Support for multirate acquisition<\/li>\n<li>PXI peer-to-peer data streaming support<\/li>\n<\/ul>\n<h3>PXIe-7861 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-7861<\/td>\n<\/tr>\n<tr>\n<th>Part Number<\/th>\n<td>786671-01<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>PXI Express Multifunction Reconfigurable I\/O Module<\/td>\n<\/tr>\n<tr>\n<th>\u0424\u041f\u0413\u0410<\/th>\n<td>\u041a\u0438\u043d\u0442\u0435\u043a\u0441-7 160\u0422<\/td>\n<\/tr>\n<tr>\n<th>Onboard Memory<\/th>\n<td>512 \u041c\u0411 \u041e\u0417\u0423<\/td>\n<\/tr>\n<tr>\n<th>Analog Inputs<\/th>\n<td>16<\/td>\n<\/tr>\n<tr>\n<th>Analog Input Resolution<\/th>\n<td>16 bit<\/td>\n<\/tr>\n<tr>\n<th>Maximum Analog Input Rate<\/th>\n<td>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/td>\n<\/tr>\n<tr>\n<th>Analog Input Ranges<\/th>\n<td>\u00b11 V, \u00b12 V, \u00b15 V and \u00b110 V<\/td>\n<\/tr>\n<tr>\n<th>Maximum Differential Inputs<\/th>\n<td>16<\/td>\n<\/tr>\n<tr>\n<th>Maximum Single-Ended Inputs<\/th>\n<td>16<\/td>\n<\/tr>\n<tr>\n<th>Analog Outputs<\/th>\n<td>8<\/td>\n<\/tr>\n<tr>\n<th>Analog Output Resolution<\/th>\n<td>16 bit<\/td>\n<\/tr>\n<tr>\n<th>Maximum Analog Output Rate<\/th>\n<td>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/td>\n<\/tr>\n<tr>\n<th>Analog Output Range<\/th>\n<td>\u00b110 V<\/td>\n<\/tr>\n<tr>\n<th>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/th>\n<td>32 bidirectional lines<\/td>\n<\/tr>\n<tr>\n<th>Maximum Digital Clock Rate<\/th>\n<td>10 MHz<\/td>\n<\/tr>\n<tr>\n<th>Digital Logic Level<\/th>\n<td>3.3 V<\/td>\n<\/tr>\n<tr>\n<th>Digital Signaling<\/th>\n<td>Single-ended<\/td>\n<\/tr>\n<tr>\n<th>Bus Type<\/th>\n<td>PXI Express<\/td>\n<\/tr>\n<tr>\n<th>Peer-to-Peer Streaming<\/th>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>0\u00b0C to 55\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>PXIe-7861 Part Number and Accessories<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Item<\/th>\n<th>Part Number<\/th>\n<th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td>PXIe-7861<\/td>\n<td>786671-01<\/td>\n<td>Kintex-7 160T multifunction RIO module with 512 MB DRAM<\/td>\n<\/tr>\n<tr>\n<td>SCB-68 HSDIO<\/td>\n<td>782914-01<\/td>\n<td>Shielded 68-pin connector block for high-speed digital I\/O<\/td>\n<\/tr>\n<tr>\n<td>SCB-68A<\/td>\n<td>782536-01<\/td>\n<td>Shielded screw-terminal I\/O connector block<\/td>\n<\/tr>\n<tr>\n<td>SHC68-C68-RDIO2<\/td>\n<td>156166-02<\/td>\n<td>2 m shielded high-speed digital I\/O cable<\/td>\n<\/tr>\n<tr>\n<td>SHC68-NT-S<\/td>\n<td>189041-02<\/td>\n<td>2 m shielded cable with unterminated leads<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Accessory requirements depend on the analog and digital connector groups used in the application. Confirm cable, connector block and pinout compatibility before ordering.<\/p>\n<h3>Kintex-7 160T FPGA Processing<\/h3>\n<p>The PXIe-7861 uses a Kintex-7 160T FPGA to execute custom acquisition, generation, triggering and control logic directly in hardware. This provides deterministic response times without relying on the timing behavior of a host operating system.<\/p>\n<p>Engineers can implement parallel signal processing, custom digital protocols, application-specific triggers and high-speed feedback loops within the FPGA.<\/p>\n<h3>512 MB Onboard DRAM<\/h3>\n<p>The module includes <strong>512 MB of onboard DRAM<\/strong> for waveform storage, acquisition buffering and FPGA-based block processing. Data can be temporarily stored before transfer to the PXI controller or another supported module.<\/p>\n<p>Onboard memory is particularly useful for long waveform records, high-throughput acquisition and applications in which host transfers cannot occur continuously.<\/p>\n<h3>16 Simultaneously Sampled Analog Inputs<\/h3>\n<p>The PXIe-7861 provides 16 analog input channels with dedicated 16-bit ADCs. All channels can acquire signals simultaneously at rates up to <strong>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/strong>, eliminating the channel-to-channel delay associated with multiplexed acquisition hardware.<\/p>\n<p>Independent channel timing and triggering allow users to implement multirate acquisition, individual channel triggers and custom sampling sequences.<\/p>\n<h3>Programmable Analog Input Ranges<\/h3>\n<p>The analog inputs support programmable ranges of <strong>\u00b11 V, \u00b12 V, \u00b15 V and \u00b110 V<\/strong>. Selecting the smallest suitable voltage range can improve measurement resolution for lower-level signals.<\/p>\n<p>The module supports both differential and single-ended measurements, allowing the input configuration to be selected according to signal grounding and noise requirements.<\/p>\n<h3>Eight FPGA-Timed Analog Outputs<\/h3>\n<p>Eight 16-bit analog output channels provide update rates up to <strong>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/strong> over a \u00b110 V range. The outputs can generate control signals, simulated sensor responses and synchronized test waveforms.<\/p>\n<p>Because the outputs are controlled by FPGA logic, they can respond deterministically to acquired analog signals, digital events or custom trigger conditions.<\/p>\n<h3>32 Bidirectional Digital I\/O Lines<\/h3>\n<p>The PXIe-7861 provides 32 bidirectional digital I\/O lines using 3.3 V single-ended signaling. Each line can be configured as an input or output within the FPGA application.<\/p>\n<p>The digital channels support update intervals as short as 100 ns, corresponding to a maximum clock rate of <strong>10 MHz<\/strong>. They can be used for triggering, status monitoring, digital control and custom communication interfaces.<\/p>\n<h3>Independent Timing and Triggering<\/h3>\n<p>Traditional data acquisition modules often use fixed timing engines shared by multiple channels. The PXIe-7861 allows timing and trigger logic to be implemented directly in the FPGA.<\/p>\n<p>This architecture supports individual channel triggering, multirate sampling, deterministic event sequencing and precise synchronization between analog inputs, analog outputs and digital I\/O.<\/p>\n<h3>PXI Peer-to-Peer Streaming<\/h3>\n<p>The PXIe-7861 supports PXI peer-to-peer streaming, allowing data to be transferred directly to compatible PXI Express modules without routing every transfer through the host processor.<\/p>\n<p>Peer-to-peer streaming can reduce latency and host processing requirements in systems combining FPGA modules, digitizers, signal generators and other high-performance instruments.<\/p>\n<h3>\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/h3>\n<ul>\n<li>\u0421\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0441 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u043c \u0432\u0445\u043e\u0434\u043e\u043c<\/li>\n<li>Multichannel sensor simulation<\/li>\n<li>High-speed closed-loop control<\/li>\n<li>Automotive electronic control unit testing<\/li>\n<li>Power electronics and inverter testing<\/li>\n<li>Motor control development<\/li>\n<li>Custom digital protocol implementation<\/li>\n<li>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0441\u0438\u0433\u043d\u0430\u043b\u043e\u0432 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u041f\u041b\u0418\u0421<\/li>\n<li>Electronic device validation<\/li>\n<li>Automated production testing<\/li>\n<\/ul>\n<h3>LabVIEW FPGA Programming<\/h3>\n<p>The PXIe-7861 can be customized using the LabVIEW FPGA Module and compatible NI-RIO software. Developers can create FPGA applications for custom measurements, signal generation, triggering, communication and control.<\/p>\n<p>After compilation, the FPGA bitfile runs directly on the module, providing deterministic hardware execution and repeatable timing.<\/p>\n<h3>Connectivity and Signal Wiring<\/h3>\n<p>Compatible shielded cables and SCB-68 series connector blocks provide access to the module\u2019s analog and digital signals. The correct cable should be selected for the multifunction analog connector or high-speed digital connector.<\/p>\n<p>Use appropriate grounding, shielding and cable-routing practices to reduce interference between sensitive analog signals and digital switching lines.<\/p>\n<h3>PXI Express System Integration<\/h3>\n<p>The PXIe-7861 requires a compatible PXI Express chassis and controller. Chassis selection should consider slot compatibility, cooling capacity, backplane bandwidth and synchronization requirements.<\/p>\n<p>Visit the <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\/%d0%bc%d0%be%d0%b4%d1%83%d0%bb%d0%b8-pxi\/\">NI PXI Modules category<\/a> to explore related PXI hardware for building a complete test system.<\/p>\n<h3>Troubleshooting the PXIe-7861<\/h3>\n<h4>The PXIe-7861 is not detected<\/h4>\n<p>Confirm that the module is installed in a compatible PXI Express slot. Check the chassis controller, PXI Platform Services and NI-RIO driver installation.<\/p>\n<h4>The FPGA bitfile cannot be loaded<\/h4>\n<p>Verify that the FPGA bitfile was compiled specifically for the PXIe-7861. Confirm that the installed LabVIEW FPGA and NI-RIO versions support the module.<\/p>\n<h4>Analog measurements contain excessive noise<\/h4>\n<p>Check signal grounding, shielding, input configuration and cable routing. Select the smallest suitable voltage range and keep analog wiring away from high-speed digital or power cables.<\/p>\n<h4>Digital signals are not recognized correctly<\/h4>\n<p>Confirm that the connected device uses compatible 3.3 V logic. Check the FPGA line direction, connector pin assignment and shared digital ground.<\/p>\n<h4>Data transfer performance is lower than expected<\/h4>\n<p>Review DMA FIFO settings, DRAM buffering, host processing load and PXI Express bandwidth. Peer-to-peer streaming may improve performance when compatible modules are used.<\/p>\n<h3>PXIe-7861 Comparison<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>\u0424\u041f\u0413\u0410<\/th>\n<th>Analog Inputs<\/th>\n<th>Analog Outputs<\/th>\n<th>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/th>\n<th>DRAM<\/th>\n<\/tr>\n<tr>\n<td>PXIe-7861<\/td>\n<td>\u041a\u0438\u043d\u0442\u0435\u043a\u0441-7 160\u0422<\/td>\n<td>16<\/td>\n<td>8<\/td>\n<td>32<\/td>\n<td>512 MB<\/td>\n<\/tr>\n<tr>\n<td>PXIe-7862<\/td>\n<td>\u041aintex-7 325T<\/td>\n<td>16<\/td>\n<td>8<\/td>\n<td>32<\/td>\n<td>512 MB<\/td>\n<\/tr>\n<tr>\n<td>PXIe-7857<\/td>\n<td>\u041a\u0438\u043d\u0442\u0435\u043a\u0441-7 160\u0422<\/td>\n<td>8<\/td>\n<td>8<\/td>\n<td>48<\/td>\n<td>512 MB<\/td>\n<\/tr>\n<tr>\n<td>PXIe-7858<\/td>\n<td>\u041aintex-7 325T<\/td>\n<td>8<\/td>\n<td>8<\/td>\n<td>48<\/td>\n<td>512 MB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7862\/\">PXIe-7862<\/a> \u2013 16-channel multifunction RIO module with a larger Kintex-7 325T FPGA<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7857\/\">PXIe-7857<\/a> \u2013 Kintex-7 160T module with 8 analog inputs and 48 digital I\/O lines<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7858\/\">PXIe-7858<\/a> \u2013 Kintex-7 325T module with 8 analog inputs and 48 digital I\/O lines<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7856\/\">PXIe-7856<\/a> \u2013 1 MS\/s multifunction RIO module without onboard DRAM<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1092\/\">PXIe-1092<\/a> \u2013 PXI Express chassis for modular test and measurement systems<\/li>\n<\/ul>\n<h3>Selecting the PXIe-7861<\/h3>\n<p>Choose the PXIe-7861 when an application requires 16 simultaneous analog inputs, FPGA-timed analog outputs, digital control lines and onboard DRAM in a single PXI Express module.<\/p>\n<p>If the application requires the same I\/O configuration with more FPGA capacity, consider the PXIe-7862. If more digital I\/O lines are more important than the number of analog inputs, the PXIe-7857 or PXIe-7858 may be more suitable.<\/p>\n<h3>PXIe-7861 vs PXIe-7862<\/h3>\n<p>The PXIe-7861 and PXIe-7862 provide the same basic configuration of 16 analog inputs, 8 analog outputs, 32 bidirectional digital I\/O lines, 1 MS\/s analog operation and 512 MB DRAM.<\/p>\n<p>The primary difference is FPGA capacity. The PXIe-7861 uses a <strong>FPGA Kintex-7 160T<\/strong>, while the PXIe-7862 uses a Kintex-7 325T FPGA. The PXIe-7862 is intended for larger FPGA designs and more extensive parallel processing.<\/p>\n<h3>Why Choose the PXIe-7861?<\/h3>\n<ul>\n<li>16 simultaneously sampled analog input channels<\/li>\n<li>1 MS\/s analog input and output operation<\/li>\n<li>Eight deterministic analog output channels<\/li>\n<li>32 configurable digital I\/O lines<\/li>\n<li>512 MB DRAM for waveform buffering<\/li>\n<li>Kintex-7 160T FPGA for custom processing and control<\/li>\n<li>Peer-to-peer streaming for PXI system integration<\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the PXIe-7861 used for?<\/h4>\n<p>The PXIe-7861 is used for FPGA-based data acquisition, hardware-in-the-loop testing, sensor simulation, custom protocol communication and deterministic control.<\/p>\n<h4>Which FPGA does the PXIe-7861 use?<\/h4>\n<p>It uses a user-programmable Kintex-7 160T FPGA.<\/p>\n<h4>How many analog channels are available?<\/h4>\n<p>The module provides 16 analog input channels and 8 analog output channels, all with 16-bit resolution.<\/p>\n<h4>What is the maximum analog sampling rate?<\/h4>\n<p>The analog inputs can acquire signals simultaneously at rates up to 1 MS\/s per channel. The analog outputs also support update rates up to 1 MS\/s.<\/p>\n<h4>How much onboard memory does the PXIe-7861 provide?<\/h4>\n<p>The module includes 512 MB of onboard DRAM.<\/p>\n<h4>How many digital I\/O lines are available?<\/h4>\n<p>The PXIe-7861 provides 32 bidirectional, 3.3 V digital I\/O lines with a maximum clock rate of 10 MHz.<\/p>\n<h4>Does the PXIe-7861 support peer-to-peer streaming?<\/h4>\n<p>Yes. It supports direct peer-to-peer data streaming to compatible PXI Express modules.<\/p>\n<h4>What is the PXIe-7861 part number?<\/h4>\n<p>The standard NI part number for the PXIe-7861 is <strong>786671-01<\/strong>.<\/p>\n<h3>Request a Quote for the PXIe-7861<\/h3>\n<p>Contact us for current availability, lead time and project pricing for the <strong>PXIe-7861 Multifunction Reconfigurable I\/O Module<\/strong>. We can also help confirm compatible PXI chassis, controllers, cables and terminal accessories for your application.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u0430 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u0438\u0437\u0430\u0446\u0438\u0438: 1 \u041c\u0432\u044b\u0431\/\u0441<br \/>\n\u0428\u0438\u043d\u043d\u044b\u0439 \u0441\u043e\u0435\u0434\u0438\u043d\u0438\u0442\u0435\u043b\u044c: PXI Express<br \/>\nMaximum Clock Rate: 1 MHz<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0434\u0432\u0443\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432: 32<br \/>\nDigital I\/O Logic Levels: 3.3 V<br \/>\n\u0414\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u0430\u044f \u043f\u0430\u043c\u044f\u0442\u044c (DRAM): 512 \u041c\u0411<br \/>\nFPGA: Kintex-7 160T<br \/>\nAnalog Input Voltage Range: -, -1 V to 1 V, -1 V to 1 V, -2 V to 2 V, -5 V to 5 V<br \/>\n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u043e\u0442\u043e\u043a\u043e\u0432\u0443\u044e \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0443 Peer-to-Peer: \u0414\u0430<br \/>\nNumber of Analog Input Channels: 16<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u043e\u0432\u044b\u0445 \u0432\u044b\u0445\u043e\u0434\u043d\u044b\u0445 \u043a\u0430\u043d\u0430\u043b\u043e\u0432: 8<\/p>","protected":false},"featured_media":32738,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[745],"product_tag":[],"class_list":["post-32773","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-fpga-and-rio-modules","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI PXIe-7861 PXI Multifunction Reconfigurable I\/O Module 786671-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"The PXIe-7861 combines 16 analog inputs, 8 analog outputs, 32 digital I\/O lines, a Kintex-7 160T FPGA, 1 MS\/s sampling, and 512 MB DRAM for HIL testing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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