{"id":34862,"date":"2026-08-08T12:58:24","date_gmt":"2026-08-08T04:58:24","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=34862"},"modified":"2026-09-06T20:15:51","modified_gmt":"2026-09-06T12:15:51","slug":"pxie-2739","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-2739\/","title":{"rendered":"PXIe-2739"},"content":{"rendered":"<h3>PXIe-2739 256-Crosspoint Relay Matrix<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>NI PXIe-2739<\/strong> is a high-density PXI Express matrix switch that implements a 2-wire 16\u00d716 topology with 256 crosspoints. It uses 256 nonlatching DPDT electromechanical relays to route paired or differential signals between any row and column.<\/p>\n<p>The module supports switching voltages up to 100 V, currents up to 2 A and switching power up to 60 W or 62.5 VA. It is designed for functional test, continuity measurement, data acquisition routing, electronics validation and high-density automated test systems.<\/p>\n<h3>Key Features of the PXIe-2739<\/h3>\n<ul>\n<li>256-crosspoint switching architecture<\/li>\n<li>2-wire 16\u00d716 matrix topology<\/li>\n<li>256 nonlatching DPDT electromechanical relays<\/li>\n<li>100 V maximum switching voltage<\/li>\n<li>2 A maximum switching and carry current<\/li>\n<li>60 W or 62.5 VA maximum switching power<\/li>\n<li>10 MHz typical bandwidth<\/li>\n<li>1,000 cycles\/s listed scan rate<\/li>\n<li>Onboard relay-count tracking<\/li>\n<li>Integrated temperature monitoring<\/li>\n<li>Functional and resistive relay self-tests<\/li>\n<li>NI Switch Health Center support<\/li>\n<li>160-position DIN front-panel connector<\/li>\n<li>NI-SWITCH and NI Switch Executive compatibility<\/li>\n<\/ul>\n<h3>PXIe-2739 Technical Specifications<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-2739<\/td>\n<\/tr>\n<tr>\n<th>Part Number<\/th>\n<td>782835-39<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>High-Density PXI Express Matrix Switch<\/td>\n<\/tr>\n<tr>\n<th>Topology<\/th>\n<td>2-wire 16\u00d716 matrix<\/td>\n<\/tr>\n<tr>\n<th>Number of Crosspoints<\/th>\n<td>256<\/td>\n<\/tr>\n<tr>\n<th>Number of Relays<\/th>\n<td>256<\/td>\n<\/tr>\n<tr>\n<th>\u0422\u0438\u043f \u0440\u0435\u043b\u0435<\/th>\n<td>Electromechanical, nonlatching<\/td>\n<\/tr>\n<tr>\n<th>Maximum Switching Voltage<\/th>\n<td>100 V channel-to-channel or channel-to-ground<\/td>\n<\/tr>\n<tr>\n<th>Maximum Switching Current<\/th>\n<td>2 A per channel<\/td>\n<\/tr>\n<tr>\n<th>Maximum Carry Current<\/th>\n<td>2 A per channel<\/td>\n<\/tr>\n<tr>\n<th>Maximum Switching Power<\/th>\n<td>60 W, 62.5 VA<\/td>\n<\/tr>\n<tr>\n<th>Minimum Switching Load<\/th>\n<td>20 mV, 1 mA<\/td>\n<\/tr>\n<tr>\n<th>Initial DC Path Resistance<\/th>\n<td>Less than 1.3 \u03a9 for the combined two-wire path<\/td>\n<\/tr>\n<tr>\n<th>Typical Isolation Resistance<\/th>\n<td>1 G\u03a9 at 25\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Thermal EMF<\/th>\n<td>Less than 10 \u00b5V<\/td>\n<\/tr>\n<tr>\n<th>Typical Bandwidth<\/th>\n<td>Up to 10 MHz with the specified termination<\/td>\n<\/tr>\n<tr>\n<th>Typical Relay Operate Time<\/th>\n<td>1 ms<\/td>\n<\/tr>\n<tr>\n<th>Maximum Relay Operate Time<\/th>\n<td>3.3 ms<\/td>\n<\/tr>\n<tr>\n<th>Simultaneous Relay Drive Limit<\/th>\n<td>90 relays<\/td>\n<\/tr>\n<tr>\n<th>Expected Mechanical Life<\/th>\n<td>1 \u00d7 10\u2078 cycles<\/td>\n<\/tr>\n<tr>\n<th>Front Connector<\/th>\n<td>160-position DIN 41612 male<\/td>\n<\/tr>\n<tr>\n<th>Module Format<\/th>\n<td>3U, one-slot PXI Express module<\/td>\n<\/tr>\n<tr>\n<th>Weight<\/th>\n<td>423 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2-Wire 16\u00d716 Matrix Architecture<\/h3>\n<p>The PXIe-2739 contains 16 two-wire rows and 16 two-wire columns. Closing a crosspoint connects the positive and negative conductors of a selected row to the matching positive and negative conductors of a column.<\/p>\n<p>This architecture is well suited to differential signals, four-terminal fixture designs using multiple routes, isolated stimulus connections and applications in which both conductors must be switched together.<\/p>\n<h3>256 Independently Controlled Crosspoints<\/h3>\n<p>Each row-to-column position represents one independently controlled crosspoint. Software can create one connection, multiple simultaneous routes or complex routing patterns within the electrical and simultaneous-drive limits.<\/p>\n<p>Before closing multiple crosspoints, verify that the routing configuration does not connect conflicting voltage sources or short DUT nodes together.<\/p>\n<h3>100 V and 2 A Switching<\/h3>\n<p>The module can switch up to 100 V and 2 A per channel, subject to the 60 W or 62.5 VA power limit. These ratings make it suitable for both low-level measurement signals and moderate-power functional-test connections.<\/p>\n<p>The PXIe-2739 is intended for Measurement Category I or CAT O signal circuits and must not be connected directly to mains-distribution circuits.<\/p>\n<h3>10 MHz Signal Bandwidth<\/h3>\n<p>NI specifies typical bandwidth up to 10 MHz with the stated 50 \u03a9 or 100 \u03a9 termination. Actual bandwidth depends on the selected route, cable, source impedance, load impedance and fixture layout.<\/p>\n<p>For fast pulses or higher-frequency signals, evaluate rise time, crosstalk and open-channel isolation in the complete system.<\/p>\n<h3>Relay Health Monitoring<\/h3>\n<p>The PXIe-2739 supports onboard relay-count tracking, temperature sensing and functional and resistive relay self-tests. These features can be accessed through the NI Switch Health Center.<\/p>\n<p>Maintenance teams can use this information to identify heavily used routes, predict service requirements and reduce unexpected production-test downtime.<\/p>\n<h3>Field-Replaceable Relays<\/h3>\n<p>The PXIe-2739 relays are field replaceable using the procedures defined in NI documentation. Relay replacement should be performed by qualified personnel using approved components and ESD-safe handling.<\/p>\n<p>After replacement, verify relay function and resistance before returning the module to production service.<\/p>\n<h3>Typical PXIe-2739 Applications<\/h3>\n<ul>\n<li>Automated functional testing<\/li>\n<li>Continuity and resistance measurement<\/li>\n<li>Multi-instrument signal routing<\/li>\n<li>Data acquisition multiplexing<\/li>\n<li>\u041f\u043e\u043b\u0443\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u0438\u043a\u043e\u0432\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f<\/li>\n<li>Electronic control-unit validation<\/li>\n<li>\u0418\u0441\u043f\u044b\u0442\u0430\u043d\u0438\u044f \u0432 \u0430\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0438 \u043e\u0431\u043e\u0440\u043e\u043d\u043d\u043e\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u0438<\/li>\n<li>Production end-of-line testing<\/li>\n<li>Laboratory switching systems<\/li>\n<li>High-density test-fixture routing<\/li>\n<\/ul>\n<h3>DIN160 Connector and Cabling<\/h3>\n<p>The front panel uses a 160-position DIN 41612 connector. Select a compatible DIN cable, terminal block or custom fixture assembly according to signal count, voltage, current and required shielding.<\/p>\n<p>For low-level measurements, keep high-current routes separated from sensitive signal wiring and use appropriate twisted-pair or shielded construction.<\/p>\n<h3>NI-SWITCH Software Support<\/h3>\n<p>NI-SWITCH provides functions for opening and closing crosspoints, scanning routes, reading relay counts and performing supported diagnostic operations.<\/p>\n<p>NI Switch Executive can define virtual devices and named routes, making large matrices easier to manage in LabVIEW, TestStand and other automated test applications.<\/p>\n<h3>PXIe-2739 Troubleshooting<\/h3>\n<h4>The PXIe-2739 is not detected<\/h4>\n<p>Confirm that the module is fully seated in a compatible PXI Express slot. Check chassis power, controller communication and NI-SWITCH installation.<\/p>\n<h4>A row-to-column route remains open<\/h4>\n<p>Verify the physical row and column names, software route and DIN cable wiring. Use supported relay self-tests to check the associated crosspoint.<\/p>\n<h4>Path resistance is too high<\/h4>\n<p>Include both relay paths, cable conductors and fixture contacts in the measurement. Inspect connectors and use the resistive self-test or an external four-wire measurement to isolate the fault.<\/p>\n<h4>The module cannot close more relays<\/h4>\n<p>The simultaneous relay-drive limit is 90. Review the active connection map and release unused crosspoints.<\/p>\n<h4>Measurements contain unexpected crosstalk<\/h4>\n<p>Reduce cable length, improve shielding, separate high-level and low-level signals and confirm that the application frequency is appropriate for the matrix.<\/p>\n<h3>PXIe-2739 Comparison with Similar Matrix Modules<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>Topology<\/th>\n<th>Best Suited For<\/th>\n<\/tr>\n<tr>\n<td>PXIe-2737<\/td>\n<td>1-wire 32\u00d732 matrix<\/td>\n<td>Maximum single-wire crosspoint density<\/td>\n<\/tr>\n<tr>\n<td>PXIe-2738<\/td>\n<td>1-wire 16\u00d732 matrix<\/td>\n<td>Single-ended signal routing<\/td>\n<\/tr>\n<tr>\n<td>PXIe-2739<\/td>\n<td>2-wire 16\u00d716 matrix<\/td>\n<td>Differential and paired-signal routing<\/td>\n<\/tr>\n<tr>\n<td>PXIe-2524<\/td>\n<td>1-wire 128\u00d71 multiplexer<\/td>\n<td>High-channel-count multiplexing to one common<\/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-2737\/\">PXIe-2737 High-Density Matrix Switch<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-2738\/\">PXIe-2738 Matrix Switch<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-2524\/\">PXIe-2524 128\u00d71 Multiplexer<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-2525\/\">PXIe-2525 64\u00d71 Multiplexer<\/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\/%d0%bc%d0%be%d0%b4%d1%83%d0%bb%d0%b8-pxi\/\">View More NI PXI Switch Modules<\/a><\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the PXIe-2739?<\/h4>\n<p>The PXIe-2739 is a 256-crosspoint PXI Express matrix switch with a 2-wire 16\u00d716 topology.<\/p>\n<h4>What is the PXIe-2739 part number?<\/h4>\n<p>The standard NI ordering part number is <strong>782835-39<\/strong>.<\/p>\n<h4>How many relays are installed?<\/h4>\n<p>The module uses 256 nonlatching DPDT electromechanical relays.<\/p>\n<h4>What is the maximum switching current?<\/h4>\n<p>The maximum switching and carry current is 2 A per channel, subject to the voltage and power limits.<\/p>\n<h4>What is the scan rate?<\/h4>\n<p>NI lists a scan rate of up to 1,000 cycles per second.<\/p>\n<h4>Does it support relay health monitoring?<\/h4>\n<p>Yes. It supports relay counts, temperature monitoring and functional and resistive self-tests.<\/p>\n<h4>Which connector does it use?<\/h4>\n<p>The module uses a 160-position male DIN 41612 connector.<\/p>\n<h4>Can the relays be replaced?<\/h4>\n<p>Yes. The relays are field replaceable according to the official maintenance procedure.<\/p>\n<h3>Request a Quote for the PXIe-2739<\/h3>\n<p>Contact us for availability, lead time and project pricing for the <strong>PXIe-2739 256-Crosspoint Relay Matrix<\/strong>. We can also help identify compatible DIN cables, terminal blocks and related PXI matrix modules.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0422\u043e\u0447\u043a\u0438 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f: 256<br \/>\n\u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f: 1000 \u0446\u0438\u043a\u043b\u043e\u0432\/\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\u044b\u0439 \u043a\u043e\u043c\u043c\u0443\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0442\u043e\u043a \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0442\u043e\u043a\u0430: 2 \u0410<br \/>\n\u041c\u0430\u043a\u0441. \u043a\u043e\u043c\u043c\u0443\u0442\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 DC: 100 \u0412<br \/>\nNumber of Rows: 16<br \/>\n\u0422\u0438\u043f \u0440\u0435\u043b\u0435: \u042d\u043b\u0435\u043a\u0442\u0440\u043e\u043c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0435<br \/>\n\u041f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0430\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430: 10 \u041c\u0413\u0446<br \/>\n\u0420\u0435\u0436\u0438\u043c (n-\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0439): 2-\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0439<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0431\u0430\u043d\u043a\u043e\u0432: 1<br \/>\nNumber of Columns: 16<\/p>","protected":false},"featured_media":34833,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[667],"product_tag":[],"class_list":["post-34862","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-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 v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI PXIe-2739 PXI Matrix Switch Module 782835-39, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"The PXIe-2739 is a 256-crosspoint, 2-wire 16\u00d716 relay matrix with 100 V, 2 A switching, relay monitoring and a 1,000-cycle\/s scan rate.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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