{"id":32762,"date":"2026-05-13T13:20:53","date_gmt":"2026-05-13T05:20:53","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=32762"},"modified":"2026-08-29T13:38:22","modified_gmt":"2026-08-29T05:38:22","slug":"pxie-7858","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-7858\/","title":{"rendered":"PXIe-7858"},"content":{"rendered":"<h3>PXIe-7858 Kintex-7 325T FPGA Multifunction RIO Module<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>PXIe-7858<\/strong> is a high-performance PXI Express multifunction reconfigurable I\/O module featuring a user-programmable <strong>Kintex-7 325T FPGA<\/strong>. It combines analog input, analog output, digital I\/O and onboard DRAM in a single module for advanced test, measurement and control systems.<\/p>\n<p>With <strong>8 analog inputs<\/strong>, <strong>8 analog outputs<\/strong>, <strong>48 bidirectional digital I\/O lines<\/strong> and sampling rates up to <strong>1 MS\/s per analog channel<\/strong>, the PXIe-7858 is well suited for hardware-in-the-loop testing, custom protocol implementation, sensor simulation and high-speed closed-loop control.<\/p>\n<h3>Key Features of the PXIe-7858<\/h3>\n<ul>\n<li>Kintex-7 325T user-programmable FPGA<\/li>\n<li>512 MB onboard DRAM<\/li>\n<li>8 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 analog output channels with 16-bit resolution<\/li>\n<li>1 MS\/s maximum update rate per analog output<\/li>\n<li>48 bidirectional digital I\/O lines<\/li>\n<li>Maximum digital clock rate of 80 MHz<\/li>\n<li>Selectable 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V digital logic<\/li>\n<li>Independent timing and triggering for individual channels<\/li>\n<li>Support for multirate sampling and custom FPGA processing<\/li>\n<li>PXI peer-to-peer data streaming support<\/li>\n<\/ul>\n<h3>PXIe-7858 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-7858<\/td>\n<\/tr>\n<tr>\n<th>Part Number<\/th>\n<td>784147-01<\/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>\u041aintex-7 325T<\/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>8<\/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>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>48 bidirectional lines<\/td>\n<\/tr>\n<tr>\n<th>Maximum Digital Clock Rate<\/th>\n<td>80 MHz<\/td>\n<\/tr>\n<tr>\n<th>Digital Logic Levels<\/th>\n<td>1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V<\/td>\n<\/tr>\n<tr>\n<th>Bus Type<\/th>\n<td>PXI Express<\/td>\n<\/tr>\n<tr>\n<th>Front Connectors<\/th>\n<td>2 \u00d7 68-pin VHDCI<\/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-7858 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-7858<\/td>\n<td>784147-01<\/td>\n<td>Kintex-7 325T FPGA 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 digital I\/O connector block<\/td>\n<\/tr>\n<tr>\n<td>SCB-68A<\/td>\n<td>782536-01<\/td>\n<td>Shielded screw-terminal connector block<\/td>\n<\/tr>\n<tr>\n<td>SHC68-C68-RDIO2<\/td>\n<td>156166-02<\/td>\n<td>2 m shielded 68-pin 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>Cable and terminal block requirements depend on the analog and digital signals used in the application. Confirm connector compatibility before ordering accessories.<\/p>\n<h3>Kintex-7 325T FPGA Processing<\/h3>\n<p>The PXIe-7858 uses a larger <strong>Kintex-7 325T FPGA<\/strong> to execute custom measurement, timing, triggering and control logic directly in hardware. Compared with modules based on the Kintex-7 160T FPGA, it provides additional FPGA capacity for more complex algorithms and parallel processing.<\/p>\n<p>Engineers can implement custom communication protocols, inline signal processing, high-speed feedback loops and application-specific triggering without relying exclusively on host-computer software.<\/p>\n<h3>512 MB Onboard DRAM<\/h3>\n<p>The module includes <strong>512 MB of onboard DRAM<\/strong> for waveform buffering, data logging and FPGA-based processing. This memory is useful when data must be stored temporarily before transfer to the PXI controller or processed in blocks directly by the FPGA.<\/p>\n<p>The combination of a larger FPGA and onboard memory makes the PXIe-7858 suitable for demanding applications involving long waveform records, high-throughput data movement or memory-intensive processing.<\/p>\n<h3>Simultaneous Analog Input Acquisition<\/h3>\n<p>Each of the eight analog input channels uses a dedicated 16-bit analog-to-digital converter. The channels can therefore acquire signals simultaneously at rates up to <strong>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/strong>, avoiding the timing skew associated with multiplexed measurement architectures.<\/p>\n<p>Independent channel timing allows different sampling rates and triggering conditions to be implemented for individual signals through the FPGA.<\/p>\n<h3>Programmable Analog Input Ranges<\/h3>\n<p>The PXIe-7858 supports programmable analog input ranges of <strong>\u00b11 V, \u00b12 V, \u00b15 V and \u00b110 V<\/strong>. Selecting the appropriate range helps improve measurement resolution for both low-level and higher-voltage signals.<\/p>\n<p>Differential, referenced single-ended and nonreferenced single-ended input configurations can be used according to the grounding and noise requirements of the system.<\/p>\n<h3>High-Speed Analog Output Generation<\/h3>\n<p>The module provides eight 16-bit analog output channels with update rates up to <strong>1 \u041c\u0432\u044b\u0431\/\u0441 \u043d\u0430 \u043a\u0430\u043d\u0430\u043b<\/strong>. These outputs can generate control signals, simulated sensor waveforms and deterministic responses controlled directly by FPGA logic.<\/p>\n<p>Because the outputs are FPGA-timed, the PXIe-7858 can maintain precise relationships between analog acquisition, waveform generation and digital events.<\/p>\n<h3>48 Bidirectional Digital I\/O Lines<\/h3>\n<p>The PXIe-7858 includes 48 bidirectional digital I\/O lines. Its high-speed digital lines support clock rates up to <strong>80 MHz<\/strong>, while the direction and behavior of individual lines can be defined by the FPGA application.<\/p>\n<p>Selectable logic levels of 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V simplify integration with embedded controllers, digital interfaces, sensors and custom electronic devices.<\/p>\n<h3>Independent Timing and Triggering<\/h3>\n<p>Unlike fixed-function data acquisition devices, the PXIe-7858 allows timing and triggering behavior to be created in FPGA hardware. Analog and digital channels can operate at different rates while maintaining deterministic synchronization.<\/p>\n<p>This flexibility is particularly valuable for applications that require custom trigger qualification, event sequencing, pulse generation or low-latency responses.<\/p>\n<h3>PXI Peer-to-Peer Streaming<\/h3>\n<p>PXI peer-to-peer streaming allows supported modules to exchange data directly across the PXI Express backplane. This can reduce host processor involvement and lower data-transfer latency in high-performance test systems.<\/p>\n<p>Compatibility should be verified for the selected PXI chassis, controller and peer-to-peer modules before system integration.<\/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>High-speed closed-loop control<\/li>\n<li>Custom digital protocol implementation<\/li>\n<li>Sensor and actuator simulation<\/li>\n<li>Power electronics testing<\/li>\n<li>Motor and inverter control<\/li>\n<li>Automotive electronic control unit testing<\/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>Semiconductor and component validation<\/li>\n<li>Automated production testing<\/li>\n<\/ul>\n<h3>LabVIEW FPGA Programming<\/h3>\n<p>The PXIe-7858 is programmed using the LabVIEW FPGA Module and a compatible NI RIO driver environment. Developers can create custom FPGA personalities for acquisition, generation, triggering, communication and real-time processing.<\/p>\n<p>Compiled FPGA applications run independently of the host operating system, providing deterministic execution and predictable response times for time-critical operations.<\/p>\n<h3>Connectivity and Signal Wiring<\/h3>\n<p>Two 68-pin VHDCI connectors provide access to the analog and digital signals. Compatible shielded cables and terminal blocks help simplify connection to test fixtures, devices under test and external signal-conditioning hardware.<\/p>\n<p>For reliable performance, use appropriate shielding, grounding and impedance-control practices, particularly when working with high-speed digital signals or low-level analog measurements.<\/p>\n<h3>PXI Express System Integration<\/h3>\n<p>The PXIe-7858 requires a compatible PXI Express chassis and controller. Chassis selection should account for slot compatibility, cooling capacity, backplane bandwidth, synchronization requirements and the total power consumption of all installed modules.<\/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 compatible PXI hardware and related measurement products.<\/p>\n<h3>Troubleshooting the PXIe-7858<\/h3>\n<h4>The module is not detected by the system<\/h4>\n<p>Verify that the module is installed in a compatible PXI Express slot. Check the PXI Platform Services, RIO driver installation and chassis controller configuration.<\/p>\n<h4>The FPGA application cannot be compiled or downloaded<\/h4>\n<p>Confirm that the installed LabVIEW FPGA and driver versions support the PXIe-7858. Also verify that the FPGA bitfile was compiled specifically for this module.<\/p>\n<h4>Analog measurements contain excessive noise<\/h4>\n<p>Check signal grounding, shielding, cable routing and input configuration. Use the smallest appropriate input range and avoid routing sensitive analog wiring near high-speed digital or power cables.<\/p>\n<h4>Digital signals are not recognized correctly<\/h4>\n<p>Verify that the selected digital logic voltage matches the connected device. Confirm the FPGA line direction, connector pin assignment and external grounding.<\/p>\n<h4>Data transfer performance is lower than expected<\/h4>\n<p>Review DMA FIFO configuration, onboard DRAM buffering, host processing load and PXI Express bandwidth. Peer-to-peer streaming may improve performance in supported systems.<\/p>\n<h3>PXIe-7858 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 Rate<\/th>\n<th>DRAM<\/th>\n<th>I\/O Configuration<\/th>\n<\/tr>\n<tr>\n<td>PXIe-7858<\/td>\n<td>\u041aintex-7 325T<\/td>\n<td>1 MS\/s<\/td>\n<td>512 MB<\/td>\n<td>8 AI, 8 AO, 48 DIO<\/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>1 MS\/s<\/td>\n<td>512 MB<\/td>\n<td>8 AI, 8 AO, 48 DIO<\/td>\n<\/tr>\n<tr>\n<td>PXIe-7856<\/td>\n<td>\u041a\u0438\u043d\u0442\u0435\u043a\u0441-7 160\u0422<\/td>\n<td>1 MS\/s<\/td>\n<td>No onboard DRAM<\/td>\n<td>8 AI, 8 AO, 48 DIO<\/td>\n<\/tr>\n<tr>\n<td>PXIe-7846<\/td>\n<td>\u041a\u0438\u043d\u0442\u0435\u043a\u0441-7 160\u0422<\/td>\n<td>500 kS\/s<\/td>\n<td>No onboard DRAM<\/td>\n<td>8 AI, 8 AO, 48 DIO<\/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-7857\/\">PXIe-7857<\/a> \u2013 1 MS\/s multifunction RIO module with a Kintex-7 160T FPGA and 512 MB DRAM<\/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-7846\/\">PXIe-7846<\/a> \u2013 500 kS\/s multifunction RIO module for less demanding applications<\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-7820\/\">PXIe-7820<\/a> \u2013 FPGA-based digital RIO module for custom digital interfaces<\/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-7858<\/h3>\n<p>Choose the PXIe-7858 when your application requires simultaneous analog acquisition, analog generation, high-speed digital I\/O, onboard waveform memory and substantial FPGA processing capacity.<\/p>\n<p>If the same I\/O configuration and DRAM capacity are required but the FPGA design is less complex, the PXIe-7857 may provide a more economical alternative. Applications that do not require onboard DRAM can consider the PXIe-7856.<\/p>\n<h3>PXIe-7858 vs PXIe-7857<\/h3>\n<p>The PXIe-7858 and PXIe-7857 both provide 8 analog inputs, 8 analog outputs, 48 digital I\/O lines, 1 MS\/s analog operation and 512 MB of onboard DRAM.<\/p>\n<p>The primary difference is FPGA capacity. The PXIe-7858 uses a <strong>Kintex-7 325T FPGA<\/strong>, while the PXIe-7857 uses a Kintex-7 160T FPGA. The PXIe-7858 is therefore better suited to larger FPGA designs, more parallel processing and complex custom protocols.<\/p>\n<h3>Why Choose the PXIe-7858?<\/h3>\n<ul>\n<li>Larger Kintex-7 325T FPGA for complex custom designs<\/li>\n<li>512 MB DRAM for buffering and memory-intensive processing<\/li>\n<li>Simultaneous analog input sampling at up to 1 MS\/s per channel<\/li>\n<li>Integrated analog output and high-speed digital I\/O<\/li>\n<li>Deterministic FPGA-based timing and control<\/li>\n<li>Flexible logic voltage support for device interfacing<\/li>\n<li>PXI Express integration for modular automated test systems<\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the PXIe-7858 used for?<\/h4>\n<p>The PXIe-7858 is used for FPGA-based measurement, hardware-in-the-loop testing, custom protocol implementation, sensor simulation and deterministic high-speed control.<\/p>\n<h4>Which FPGA does the PXIe-7858 use?<\/h4>\n<p>It uses a user-programmable Kintex-7 325T FPGA.<\/p>\n<h4>How much onboard memory does the PXIe-7858 provide?<\/h4>\n<p>The module includes 512 MB of onboard DRAM.<\/p>\n<h4>How many analog channels are available?<\/h4>\n<p>The PXIe-7858 provides eight analog input channels and eight analog output channels, all with 16-bit resolution.<\/p>\n<h4>What is the maximum analog sampling rate?<\/h4>\n<p>The eight analog inputs can be sampled simultaneously at rates up to 1 MS\/s per channel.<\/p>\n<h4>How many digital I\/O lines does the module have?<\/h4>\n<p>It provides 48 bidirectional digital I\/O lines with a maximum digital clock rate of 80 MHz.<\/p>\n<h4>What is the difference between the PXIe-7858 and PXIe-7857?<\/h4>\n<p>The PXIe-7858 uses a larger Kintex-7 325T FPGA, while the PXIe-7857 uses a Kintex-7 160T FPGA. Their principal analog, digital and DRAM configurations are otherwise similar.<\/p>\n<h4>Can the PXIe-7858 operate without a PXI chassis?<\/h4>\n<p>No. It must be installed in a compatible PXI Express chassis and used with an appropriate controller and software environment.<\/p>\n<h4>What is the part number for the PXIe-7858?<\/h4>\n<p>The standard NI part number for the PXIe-7858 is <strong>784147-01<\/strong>.<\/p>\n<h3>Request a Quote for the PXIe-7858<\/h3>\n<p>Contact us for current availability, lead time and project pricing for the <strong>PXIe-7858 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 \/>\n\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0442\u0430\u043a\u0442\u043e\u0432\u0430\u044f \u0447\u0430\u0441\u0442\u043e\u0442\u0430: 8 \u041c\u0413\u0446<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: 48<br \/>\n\u041b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u0440\u043e\u0432\u043d\u0438 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430-\u0432\u044b\u0432\u043e\u0434\u0430: 1,2 \u0412, 1,5 \u0412, 1,8 \u0412, 2,5 \u0412, 3,3 \u0412<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 325T<br \/>\n\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0432\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f: \u043e\u0442 -1 \u0412 \u0434\u043e 1 \u0412, \u043e\u0442 -1 \u0412 \u0434\u043e 1 \u0412, \u043e\u0442 -2 \u0412 \u0434\u043e 2 \u0412, \u043e\u0442 -5 \u0412 \u0434\u043e 5 \u0412<br \/>\n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 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