{"id":32985,"date":"2026-05-28T17:21:16","date_gmt":"2026-05-28T09:21:16","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=32985"},"modified":"2026-05-28T17:21:19","modified_gmt":"2026-05-28T09:21:19","slug":"ni-9403","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/ni-9403\/","title":{"rendered":"NI-9403"},"content":{"rendered":"<p data-start=\"335\" data-end=\"749\">\u0417\u0435\u043c\u043b\u044f <strong data-start=\"339\" data-end=\"350\">NI-9403<\/strong> \u0432\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u043e\u0439 <strong data-start=\"367\" data-end=\"412\">C Series bidirectional digital I\/O module<\/strong> \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d \u0434\u043b\u044f <strong data-start=\"426\" data-end=\"440\">CompactRIO<\/strong> \u0438 <strong data-start=\"445\" data-end=\"459\">\u041a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0439 \u0426\u0410\u041f<\/strong> \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u041e\u043d \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 <strong data-start=\"481\" data-end=\"521\">32 configurable digital I\/O channels<\/strong> supporting <strong data-start=\"533\" data-end=\"550\">5 V TTL logic<\/strong>, making it suitable for embedded control, FPGA applications, digital communication, pulse generation, industrial automation, and high-speed digital interfacing.<\/p>\n<p data-start=\"751\" data-end=\"901\">Unlike fixed-direction modules such as the <strong data-start=\"794\" data-end=\"805\">NI-9425<\/strong> \u0438\u043b\u0438 <strong data-start=\"809\" data-end=\"820\">NI-9477<\/strong>, the NI-9403 allows engineers to configure each channel independently as either:<\/p>\n<ul data-start=\"903\" data-end=\"935\">\n<li data-section-id=\"b090tg\" data-start=\"903\" data-end=\"918\">Digital input<\/li>\n<li data-section-id=\"bkk33h\" data-start=\"919\" data-end=\"935\">Digital output<\/li>\n<\/ul>\n<p data-start=\"937\" data-end=\"981\">This flexibility makes the module ideal for:<\/p>\n<ul data-start=\"983\" data-end=\"1184\">\n<li data-section-id=\"1pyumwi\" data-start=\"983\" data-end=\"1003\">FPGA-based systems<\/li>\n<li data-section-id=\"10mf2mw\" data-start=\"1004\" data-end=\"1030\">High-speed digital logic<\/li>\n<li data-section-id=\"q1klyi\" data-start=\"1031\" data-end=\"1051\">\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u044b \u044d\u043d\u043a\u043e\u0434\u0435\u0440\u0430<\/li>\n<li data-section-id=\"jgo3ee\" data-start=\"1052\" data-end=\"1085\">Digital protocol implementation<\/li>\n<li data-section-id=\"hc6d69\" data-start=\"1086\" data-end=\"1104\">\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043e\u0432<\/li>\n<li data-section-id=\"qloa7x\" data-start=\"1105\" data-end=\"1133\">Counter\/timer applications<\/li>\n<li data-section-id=\"cx1i1w\" data-start=\"1134\" data-end=\"1160\">\u0412\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0435 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043c\u0430\u0448\u0438\u043d\u0430\u043c\u0438<\/li>\n<li data-section-id=\"rb6wls\" data-start=\"1161\" data-end=\"1184\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n<\/ul>\n<p data-start=\"1186\" data-end=\"1215\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<ul data-start=\"1217\" data-end=\"1420\">\n<li data-section-id=\"zcw638\" data-start=\"1217\" data-end=\"1248\">Custom FPGA digital protocols<\/li>\n<li data-section-id=\"1isa4h0\" data-start=\"1249\" data-end=\"1265\">\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0428\u0418\u041c<\/li>\n<li data-section-id=\"u9sgi6\" data-start=\"1266\" data-end=\"1297\">Quadrature encoder interfaces<\/li>\n<li data-section-id=\"18rxsuj\" data-start=\"1298\" data-end=\"1319\">High-speed counters<\/li>\n<li data-section-id=\"1ht3ff6\" data-start=\"1320\" data-end=\"1348\">Industrial digital control<\/li>\n<li data-section-id=\"1lycpqx\" data-start=\"1349\" data-end=\"1370\">\u0412\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n<li data-section-id=\"13yrz3a\" data-start=\"1371\" data-end=\"1388\">Trigger systems<\/li>\n<li data-section-id=\"1u51jpg\" data-start=\"1389\" data-end=\"1420\">Digital communication systems<\/li>\n<\/ul>\n<h3 data-section-id=\"e2zhvn\" data-start=\"1427\" data-end=\"1469\">Bidirectional Digital I\/O Architecture<\/h3>\n<p data-start=\"1471\" data-end=\"1492\">The NI-9403 provides:<\/p>\n<ul data-start=\"1494\" data-end=\"1735\">\n<li data-section-id=\"10j42nd\" data-start=\"1494\" data-end=\"1537\"><strong data-start=\"1496\" data-end=\"1537\">32 bidirectional digital I\/O channels<\/strong><\/li>\n<li data-section-id=\"1189wrr\" data-start=\"1538\" data-end=\"1571\"><strong data-start=\"1540\" data-end=\"1571\">5 V TTL logic compatibility<\/strong><\/li>\n<li data-section-id=\"1dklrab\" data-start=\"1572\" data-end=\"1608\">Per-channel configurable direction<\/li>\n<li data-section-id=\"11hu8dn\" data-start=\"1609\" data-end=\"1639\"><strong data-start=\"1611\" data-end=\"1639\">7 \u03bcs maximum update rate<\/strong><\/li>\n<li data-section-id=\"w7y0s3\" data-start=\"1640\" data-end=\"1666\">37-pin DSUB connectivity<\/li>\n<li data-section-id=\"x5m02j\" data-start=\"1667\" data-end=\"1735\">FPGA-compatible architecture<\/li>\n<\/ul>\n<p data-start=\"1737\" data-end=\"1764\">\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1766\" data-end=\"2043\">\n<thead data-start=\"1766\" data-end=\"1791\">\n<tr data-start=\"1766\" data-end=\"1791\">\n<th class=\"last:pe-10\" data-start=\"1766\" data-end=\"1782\" data-col-size=\"sm\">\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<th class=\"last:pe-10\" data-start=\"1782\" data-end=\"1791\" data-col-size=\"sm\">\u0426\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1802\" data-end=\"2043\">\n<tr data-start=\"1802\" data-end=\"1837\">\n<td data-start=\"1802\" data-end=\"1813\" data-col-size=\"sm\">\u041a\u0430\u043d\u0430\u043b\u044b<\/td>\n<td data-start=\"1813\" data-end=\"1837\" data-col-size=\"sm\">32 bidirectional DIO<\/td>\n<\/tr>\n<tr data-start=\"1838\" data-end=\"1863\">\n<td data-start=\"1838\" data-end=\"1852\" data-col-size=\"sm\">Logic level<\/td>\n<td data-start=\"1852\" data-end=\"1863\" data-col-size=\"sm\">5 V TTL<\/td>\n<\/tr>\n<tr data-start=\"1864\" data-end=\"1912\">\n<td data-start=\"1864\" data-end=\"1884\" data-col-size=\"sm\">Direction control<\/td>\n<td data-start=\"1884\" data-end=\"1912\" data-col-size=\"sm\">Per-channel configurable<\/td>\n<\/tr>\n<tr data-start=\"1913\" data-end=\"1943\">\n<td data-start=\"1913\" data-end=\"1927\" data-col-size=\"sm\">\u0427\u0430\u0441\u0442\u043e\u0442\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f<\/td>\n<td data-start=\"1927\" data-end=\"1943\" data-col-size=\"sm\">7 \u03bcs maximum<\/td>\n<\/tr>\n<tr data-start=\"1944\" data-end=\"1971\">\n<td data-start=\"1944\" data-end=\"1956\" data-col-size=\"sm\">Connector<\/td>\n<td data-start=\"1956\" data-end=\"1971\" data-col-size=\"sm\">37-pin DSUB<\/td>\n<\/tr>\n<tr data-start=\"1972\" data-end=\"2008\">\n<td data-start=\"1972\" data-end=\"1984\" data-col-size=\"sm\">\u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f<\/td>\n<td data-start=\"1984\" data-end=\"2008\" data-col-size=\"sm\">60 VDC channel-earth<\/td>\n<\/tr>\n<tr data-start=\"2009\" data-end=\"2043\">\n<td data-start=\"2009\" data-end=\"2034\" data-col-size=\"sm\">\u0417\u0430\u0449\u0438\u0442\u0430 \u043e\u0442 \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f<\/td>\n<td data-start=\"2034\" data-end=\"2043\" data-col-size=\"sm\">\u00b130 V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"2045\" data-end=\"2212\">Each digital line can independently function as an input or output, enabling extremely flexible FPGA and embedded system designs.<\/p>\n<h3 data-section-id=\"11c35yw\" data-start=\"2219\" data-end=\"2261\">Flexible Per-Channel Direction Control<\/h3>\n<p data-start=\"2263\" data-end=\"2365\">One of the major advantages of the NI-9403 is its <strong data-start=\"2313\" data-end=\"2364\">independent per-channel direction configuration<\/strong>.<\/p>\n<p data-start=\"2367\" data-end=\"2416\">Engineers can dynamically configure channels for:<\/p>\n<ul data-start=\"2418\" data-end=\"2597\">\n<li data-section-id=\"82ph1z\" data-start=\"2418\" data-end=\"2434\">Digital inputs<\/li>\n<li data-section-id=\"qoukam\" data-start=\"2435\" data-end=\"2452\">Digital outputs<\/li>\n<li data-section-id=\"v3k9a5\" data-start=\"2453\" data-end=\"2484\">Mixed-direction communication<\/li>\n<li data-section-id=\"452m55\" data-start=\"2485\" data-end=\"2506\">Bidirectional buses<\/li>\n<li data-section-id=\"62208i\" data-start=\"2507\" data-end=\"2527\">Protocol emulation<\/li>\n<li data-section-id=\"1wtfkre\" data-start=\"2528\" data-end=\"2597\">FPGA-controlled logic systems<\/li>\n<\/ul>\n<p data-start=\"2599\" data-end=\"2642\">This architecture is especially useful for:<\/p>\n<h4 data-start=\"2644\" data-end=\"2680\">Digital Communication Protocols<\/h4>\n<p data-start=\"2682\" data-end=\"2733\">The NI-9403 can implement custom protocols such as:<\/p>\n<ul data-start=\"2735\" data-end=\"2799\">\n<li data-section-id=\"1o4qoy\" data-start=\"2735\" data-end=\"2740\">SPI<\/li>\n<li data-section-id=\"1o4bio\" data-start=\"2741\" data-end=\"2746\">I\u00b2C<\/li>\n<li data-section-id=\"1j4hcbe\" data-start=\"2747\" data-end=\"2753\">UART<\/li>\n<li data-section-id=\"13aq08h\" data-start=\"2754\" data-end=\"2770\">Parallel buses<\/li>\n<li data-section-id=\"cngim8\" data-start=\"2771\" data-end=\"2799\">Proprietary FPGA protocols<\/li>\n<\/ul>\n<h4 data-start=\"2801\" data-end=\"2830\">Embedded Machine Control<\/h4>\n<p data-start=\"2832\" data-end=\"2920\">The module supports simultaneous digital sensing and actuator control within one module.<\/p>\n<h4 data-start=\"2922\" data-end=\"2951\">FPGA-Based Logic Systems<\/h4>\n<p data-start=\"2953\" data-end=\"3037\">CompactRIO FPGA systems can dynamically reconfigure DIO directions during operation.<\/p>\n<h4 data-start=\"3039\" data-end=\"3076\">Counter and Encoder Applications<\/h4>\n<p data-start=\"3078\" data-end=\"3180\">The NI-9403 is commonly used for quadrature encoders, counters, pulse measurement, and timing systems.<\/p>\n<p data-start=\"3182\" data-end=\"3357\">Compared with fixed-input or fixed-output modules, the NI-9403 provides significantly greater flexibility for embedded FPGA applications.<\/p>\n<h3 data-section-id=\"1vd9efn\" data-start=\"3364\" data-end=\"3413\">FPGA Integration and High-Speed Digital Logic<\/h3>\n<p data-start=\"3415\" data-end=\"3484\">The NI-9403 is heavily optimized for <strong data-start=\"3452\" data-end=\"3483\">CompactRIO FPGA integration<\/strong>.<\/p>\n<p data-start=\"3486\" data-end=\"3529\">With LabVIEW FPGA, engineers can implement:<\/p>\n<ul data-start=\"3531\" data-end=\"3761\">\n<li data-section-id=\"18rxsuj\" data-start=\"3531\" data-end=\"3552\">High-speed counters<\/li>\n<li data-section-id=\"q1klyi\" data-start=\"3553\" data-end=\"3573\">\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u044b \u044d\u043d\u043a\u043e\u0434\u0435\u0440\u0430<\/li>\n<li data-section-id=\"1isa4h0\" data-start=\"3574\" data-end=\"3590\">\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0428\u0418\u041c<\/li>\n<li data-section-id=\"jbuexp\" data-start=\"3591\" data-end=\"3610\">\u0418\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u0435 \u043f\u0443\u043b\u044c\u0441\u0430<\/li>\n<li data-section-id=\"13yrz3a\" data-start=\"3611\" data-end=\"3628\">Trigger systems<\/li>\n<li data-section-id=\"1nd5xx3\" data-start=\"3629\" data-end=\"3662\">Digital communication protocols<\/li>\n<li data-section-id=\"kp4f2d\" data-start=\"3663\" data-end=\"3693\">\u0414\u0435\u0442\u0435\u0440\u043c\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043a\u043e\u043d\u0435\u0447\u043d\u044b\u0435 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u044b<\/li>\n<li data-section-id=\"1179pvm\" data-start=\"3694\" data-end=\"3761\">Custom digital timing logic<\/li>\n<\/ul>\n<p data-start=\"3763\" data-end=\"3939\">Because the FPGA processes signals locally, the NI-9403 can achieve deterministic low-latency operation that is difficult to obtain using standard PC-based digital I\/O systems.<\/p>\n<p data-start=\"3941\" data-end=\"3984\">This makes the NI-9403 highly suitable for:<\/p>\n<ul data-start=\"3986\" data-end=\"4124\">\n<li data-section-id=\"1xc400i\" data-start=\"3986\" data-end=\"4014\">Real-time embedded systems<\/li>\n<li data-section-id=\"vxurpu\" data-start=\"4015\" data-end=\"4036\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0440\u043e\u0431\u043e\u0442\u043e\u0442\u0435\u0445\u043d\u0438\u043a\u0430<\/li>\n<li data-section-id=\"1ensqkg\" data-start=\"4037\" data-end=\"4053\">Motion systems<\/li>\n<li data-section-id=\"1ax3836\" data-start=\"4054\" data-end=\"4074\">Machine automation<\/li>\n<li data-section-id=\"pwqst5\" data-start=\"4075\" data-end=\"4095\">Industrial testing<\/li>\n<li data-section-id=\"689x2t\" data-start=\"4096\" data-end=\"4124\">FPGA-based control systems<\/li>\n<\/ul>\n<h3 data-section-id=\"17s5at8\" data-start=\"4131\" data-end=\"4164\">Digital Logic Characteristics<\/h3>\n<p data-start=\"4166\" data-end=\"4214\">The NI-9403 supports standard <strong data-start=\"4196\" data-end=\"4213\">5 V TTL logic<\/strong>.<\/p>\n<p data-start=\"4216\" data-end=\"4261\">Important electrical characteristics include:<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4263\" data-end=\"4515\">\n<thead data-start=\"4263\" data-end=\"4284\">\n<tr data-start=\"4263\" data-end=\"4284\">\n<th class=\"last:pe-10\" data-start=\"4263\" data-end=\"4275\" data-col-size=\"sm\">\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th class=\"last:pe-10\" data-start=\"4275\" data-end=\"4284\" data-col-size=\"sm\">\u0426\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4295\" data-end=\"4515\">\n<tr data-start=\"4295\" data-end=\"4332\">\n<td data-start=\"4295\" data-end=\"4314\" data-col-size=\"sm\">Logic high input<\/td>\n<td data-start=\"4314\" data-end=\"4332\" data-col-size=\"sm\">TTL compatible<\/td>\n<\/tr>\n<tr data-start=\"4333\" data-end=\"4369\">\n<td data-start=\"4333\" data-end=\"4351\" data-col-size=\"sm\">Logic low input<\/td>\n<td data-start=\"4351\" data-end=\"4369\" data-col-size=\"sm\">TTL compatible<\/td>\n<\/tr>\n<tr data-start=\"4370\" data-end=\"4417\">\n<td data-start=\"4370\" data-end=\"4391\" data-col-size=\"sm\">Current capability<\/td>\n<td data-start=\"4391\" data-end=\"4417\" data-col-size=\"sm\">Shared across channels<\/td>\n<\/tr>\n<tr data-start=\"4418\" data-end=\"4458\">\n<td data-start=\"4418\" data-end=\"4443\" data-col-size=\"sm\">Maximum module current<\/td>\n<td data-start=\"4443\" data-end=\"4458\" data-col-size=\"sm\">64 mA total<\/td>\n<\/tr>\n<tr data-start=\"4459\" data-end=\"4515\">\n<td data-start=\"4459\" data-end=\"4487\" data-col-size=\"sm\">Typical output capability<\/td>\n<td data-start=\"4487\" data-end=\"4515\" data-col-size=\"sm\">2 mA per channel typical<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"4517\" data-end=\"4679\">The module uses Schmitt-trigger inputs for improved noise immunity and reliable signal detection in industrial environments.<\/p>\n<p data-start=\"4681\" data-end=\"4702\">The NI-9403 supports:<\/p>\n<ul data-start=\"4704\" data-end=\"4809\">\n<li data-section-id=\"1etboli\" data-start=\"4704\" data-end=\"4720\">Sourcing input<\/li>\n<li data-section-id=\"sf1fep\" data-start=\"4721\" data-end=\"4736\">Sinking input<\/li>\n<li data-section-id=\"185fd3j\" data-start=\"4737\" data-end=\"4754\">Sourcing output<\/li>\n<li data-section-id=\"1qipzf9\" data-start=\"4755\" data-end=\"4809\">Sinking output<\/li>\n<\/ul>\n<p data-start=\"4811\" data-end=\"4907\">This flexibility simplifies interfacing with many types of digital devices and embedded systems.<\/p>\n<h3 data-section-id=\"11mrlc0\" data-start=\"4914\" data-end=\"4961\">High-Speed Counter and Encoder Applications<\/h3>\n<p data-start=\"4963\" data-end=\"5056\">One of the most common uses for the NI-9403 is FPGA-based counter and encoder implementation.<\/p>\n<p data-start=\"5058\" data-end=\"5087\">\u0422\u0438\u043f\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<h4 data-start=\"5089\" data-end=\"5123\">Quadrature Encoder Interfaces<\/h4>\n<p data-start=\"5125\" data-end=\"5176\">The module can read high-speed encoder signals for:<\/p>\n<ul data-start=\"5178\" data-end=\"5245\">\n<li data-section-id=\"1ensqkg\" data-start=\"5178\" data-end=\"5194\">Motion systems<\/li>\n<li data-section-id=\"g0eet1\" data-start=\"5195\" data-end=\"5205\">\u0420\u043e\u0431\u043e\u0442\u043e\u0442\u0435\u0445\u043d\u0438\u043a\u0430<\/li>\n<li data-section-id=\"1w6ibyq\" data-start=\"5206\" data-end=\"5221\">Servo control<\/li>\n<li data-section-id=\"rb6wls\" data-start=\"5222\" data-end=\"5245\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/li>\n<\/ul>\n<h4 data-start=\"5247\" data-end=\"5268\">Pulse Generation<\/h4>\n<p data-start=\"5270\" data-end=\"5361\">Engineers can generate deterministic digital pulses and PWM signals directly from the FPGA.<\/p>\n<h4 data-start=\"5363\" data-end=\"5388\">Event Timing Systems<\/h4>\n<p data-start=\"5390\" data-end=\"5469\">The NI-9403 supports precise FPGA-based timestamping and digital event capture.<\/p>\n<h4 data-start=\"5471\" data-end=\"5502\">High-Speed Trigger Systems<\/h4>\n<p data-start=\"5504\" data-end=\"5590\">The module can be used for synchronized triggering across multiple industrial devices.<\/p>\n<p data-start=\"5592\" data-end=\"5743\">Compared with standard software-timed digital modules, the NI-9403 provides much tighter FPGA timing integration.<\/p>\n<h3 data-section-id=\"zguu8p\" data-start=\"5750\" data-end=\"5789\">Protection and Reliability Features<\/h3>\n<p data-start=\"5791\" data-end=\"5853\">The NI-9403 includes several industrial protection mechanisms:<\/p>\n<ul data-start=\"5855\" data-end=\"6038\">\n<li data-section-id=\"1mibvr7\" data-start=\"5855\" data-end=\"5889\"><strong data-start=\"5857\" data-end=\"5889\">\u00b130 V overvoltage protection<\/strong><\/li>\n<li data-section-id=\"1d9mb58\" data-start=\"5890\" data-end=\"5914\">Overcurrent protection<\/li>\n<li data-section-id=\"8idazr\" data-start=\"5915\" data-end=\"5941\">Short-circuit protection<\/li>\n<li data-section-id=\"b53e3g\" data-start=\"5942\" data-end=\"5972\">High-impedance shutdown mode<\/li>\n<li data-section-id=\"8dpz3z\" data-start=\"5973\" data-end=\"6038\">Industrial EMC robustness<\/li>\n<\/ul>\n<p data-start=\"6040\" data-end=\"6075\">If an overcurrent condition occurs:<\/p>\n<ul data-start=\"6077\" data-end=\"6215\">\n<li data-section-id=\"1fihjkh\" data-start=\"6077\" data-end=\"6215\">The module automatically places all DIO lines into high-impedance mode for approximately 280 ms.<\/li>\n<\/ul>\n<p data-start=\"6217\" data-end=\"6240\">These features improve:<\/p>\n<ul data-start=\"6242\" data-end=\"6322\">\n<li data-section-id=\"130bawt\" data-start=\"6242\" data-end=\"6262\">\u041d\u0430\u0434\u0435\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/li>\n<li data-section-id=\"jn9cpm\" data-start=\"6263\" data-end=\"6280\">Embedded safety<\/li>\n<li data-section-id=\"1m6d097\" data-start=\"6281\" data-end=\"6298\">Fault tolerance<\/li>\n<li data-section-id=\"1lct61\" data-start=\"6299\" data-end=\"6322\">Industrial robustness<\/li>\n<\/ul>\n<h3 data-section-id=\"wl794m\" data-start=\"6329\" data-end=\"6367\">CompactDAQ vs CompactRIO Operation<\/h3>\n<p data-start=\"6369\" data-end=\"6432\">The NI-9403 behaves differently depending on the host platform.<\/p>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"6434\" data-end=\"6563\">\n<thead data-start=\"6434\" data-end=\"6459\">\n<tr data-start=\"6434\" data-end=\"6459\">\n<th class=\"last:pe-10\" data-start=\"6434\" data-end=\"6445\" data-col-size=\"sm\">Platform<\/th>\n<th class=\"last:pe-10\" data-start=\"6445\" data-end=\"6459\" data-col-size=\"sm\">Capability<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"6470\" data-end=\"6563\">\n<tr data-start=\"6470\" data-end=\"6515\">\n<td data-start=\"6470\" data-end=\"6483\" data-col-size=\"sm\">CompactRIO<\/td>\n<td data-start=\"6483\" data-end=\"6515\" data-col-size=\"sm\">Full FPGA reconfigurable I\/O<\/td>\n<\/tr>\n<tr data-start=\"6516\" data-end=\"6563\">\n<td data-start=\"6516\" data-end=\"6529\" data-col-size=\"sm\">\u041a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0439 \u0426\u0410\u041f<\/td>\n<td data-start=\"6529\" data-end=\"6563\" data-col-size=\"sm\">Static software-timed DIO only<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"6565\" data-end=\"6665\">In CompactRIO systems, engineers can fully exploit FPGA timing and deterministic digital processing.<\/p>\n<p data-start=\"6667\" data-end=\"6798\">In CompactDAQ systems, the module operates as a standard software-timed digital I\/O device.<\/p>\n<p data-start=\"6800\" data-end=\"6878\">This distinction is important when designing high-speed embedded applications.<\/p>\n<h3 data-section-id=\"1vibslg\" data-start=\"6885\" data-end=\"6912\">Connectivity and Wiring<\/h3>\n<p data-start=\"6914\" data-end=\"6959\">The NI-9403 uses a <strong data-start=\"6933\" data-end=\"6958\">37-pin DSUB connector<\/strong>.<\/p>\n<p data-start=\"6961\" data-end=\"6992\">Compatible accessories include:<\/p>\n<ul data-start=\"6994\" data-end=\"7141\">\n<li data-section-id=\"138p7u6\" data-start=\"6994\" data-end=\"7018\">NI-9923 terminal block<\/li>\n<li data-section-id=\"8mrrqo\" data-start=\"7019\" data-end=\"7041\">DSUB breakout boards<\/li>\n<li data-section-id=\"baod4h\" data-start=\"7042\" data-end=\"7070\">Custom FPGA wiring systems<\/li>\n<li data-section-id=\"1e99wy6\" data-start=\"7071\" data-end=\"7141\">Industrial digital harnesses<\/li>\n<\/ul>\n<p data-start=\"7143\" data-end=\"7163\">\u041c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442:<\/p>\n<ul data-start=\"7165\" data-end=\"7278\">\n<li data-section-id=\"alqy4b\" data-start=\"7165\" data-end=\"7177\">CompactRIO<\/li>\n<li data-section-id=\"alqfy3\" data-start=\"7178\" data-end=\"7190\">\u041a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u0439 \u0426\u0410\u041f<\/li>\n<li data-section-id=\"1qnf4ug\" data-start=\"7191\" data-end=\"7219\">R Series expansion chassis<\/li>\n<li data-section-id=\"10123vf\" data-start=\"7220\" data-end=\"7278\">EtherCAT systems<\/li>\n<\/ul>\n<h3 data-section-id=\"1n8k1x1\" data-start=\"7285\" data-end=\"7313\">\u041f\u0440\u043e\u0447\u043d\u044b\u0439 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0439 \u0434\u0438\u0437\u0430\u0439\u043d<\/h3>\n<p data-start=\"7315\" data-end=\"7365\">The NI-9403 is designed for industrial deployment.<\/p>\n<p data-start=\"7367\" data-end=\"7401\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0435 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442:<\/p>\n<ul data-start=\"7403\" data-end=\"7614\">\n<li data-section-id=\"43boza\" data-start=\"7403\" data-end=\"7447\">\u0420\u0430\u0431\u043e\u0447\u0430\u044f \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430: <strong data-start=\"7428\" data-end=\"7447\">-40 \u00b0C \u0434\u043e 70 \u00b0C<\/strong><\/li>\n<li data-section-id=\"srvfaw\" data-start=\"7448\" data-end=\"7490\">\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f: <strong data-start=\"7471\" data-end=\"7490\">\u043e\u0442 -40 \u00b0C \u0434\u043e 85 \u00b0C<\/strong><\/li>\n<li data-section-id=\"1w6et7p\" data-start=\"7491\" data-end=\"7522\">\u0421\u043b\u0443\u0447\u0430\u0439\u043d\u0430\u044f \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u044f: <strong data-start=\"7511\" data-end=\"7522\">5 \u0433 \u0441\u0440\u0435\u0434\u043d\u0435\u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u0447\u043d\u043e\u0435<\/strong><\/li>\n<li data-section-id=\"2uv43v\" data-start=\"7523\" data-end=\"7556\">\u0423\u0434\u0430\u0440\u043e\u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u0434\u043e <strong data-start=\"7548\" data-end=\"7556\">50 \u0433<\/strong><\/li>\n<li data-section-id=\"14j1vyj\" data-start=\"7557\" data-end=\"7614\">\u0417\u0430\u0449\u0438\u0442\u0430 IP40<\/li>\n<\/ul>\n<p data-start=\"7616\" data-end=\"7643\">The module is suitable for:<\/p>\n<ul data-start=\"7645\" data-end=\"7787\">\n<li data-section-id=\"z6ewqr\" data-start=\"7645\" data-end=\"7665\">\u0410\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430<\/li>\n<li data-section-id=\"102mvn4\" data-start=\"7666\" data-end=\"7685\">Embedded machines<\/li>\n<li data-section-id=\"1co9474\" data-start=\"7686\" data-end=\"7710\">\u0422\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/li>\n<li data-section-id=\"vxurpu\" data-start=\"7711\" data-end=\"7732\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0440\u043e\u0431\u043e\u0442\u043e\u0442\u0435\u0445\u043d\u0438\u043a\u0430<\/li>\n<li data-section-id=\"13p8e7h\" data-start=\"7733\" data-end=\"7756\">\u042d\u043d\u0435\u0440\u0433\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430<\/li>\n<li data-section-id=\"1pnvgjf\" data-start=\"7757\" data-end=\"7787\">Real-time industrial systems<\/li>\n<\/ul>\n<p data-start=\"7789\" data-end=\"7917\">The NI-9403 also supports hazardous-location deployment in certified CompactRIO systems.<\/p>\n<h3 data-section-id=\"1b4m36n\" data-start=\"7924\" data-end=\"7958\">\u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f<\/h3>\n<h4 data-start=\"7960\" data-end=\"8001\">FPGA Digital Protocol Implementation<\/h4>\n<p data-start=\"8003\" data-end=\"8083\">The NI-9403 is widely used for implementing custom FPGA communication protocols.<\/p>\n<h4 data-start=\"8085\" data-end=\"8116\">Encoder and Motion Systems<\/h4>\n<p data-start=\"8118\" data-end=\"8212\">The module supports high-speed quadrature encoder interfaces and deterministic motion control.<\/p>\n<h4 data-start=\"8214\" data-end=\"8240\">\u041f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0430\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u044f<\/h4>\n<p data-start=\"8242\" data-end=\"8326\">Engineers use the NI-9403 for mixed digital input\/output industrial control systems.<\/p>\n<h4 data-start=\"8328\" data-end=\"8359\">Embedded Real-Time Systems<\/h4>\n<p data-start=\"8361\" data-end=\"8454\">CompactRIO FPGA systems can use the NI-9403 for deterministic low-latency digital processing.<\/p>\n<h3 data-section-id=\"1pckxth\" data-start=\"8461\" data-end=\"8496\">\u0421\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0441 \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u043c\u0438 \u043c\u043e\u0434\u0443\u043b\u044f\u043c\u0438<\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"8498\" data-end=\"8928\">\n<thead data-start=\"8498\" data-end=\"8539\">\n<tr data-start=\"8498\" data-end=\"8539\">\n<th class=\"last:pe-10\" data-start=\"8498\" data-end=\"8506\" data-col-size=\"sm\">\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th class=\"last:pe-10\" data-start=\"8506\" data-end=\"8524\" data-col-size=\"sm\">\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0435<\/th>\n<th class=\"last:pe-10\" data-start=\"8524\" data-end=\"8539\" data-col-size=\"sm\">\u0422\u0438\u043f\u0438\u0447\u043d\u043e\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"8554\" data-end=\"8928\">\n<tr data-start=\"8554\" data-end=\"8626\">\n<td data-start=\"8554\" data-end=\"8568\" data-col-size=\"sm\"><strong data-start=\"8556\" data-end=\"8567\">NI-9401<\/strong><\/td>\n<td data-start=\"8568\" data-end=\"8598\" data-col-size=\"sm\">8-channel bidirectional DIO<\/td>\n<td data-start=\"8598\" data-end=\"8626\" data-col-size=\"sm\">Compact FPGA digital I\/O<\/td>\n<\/tr>\n<tr data-start=\"8627\" data-end=\"8700\">\n<td data-start=\"8627\" data-end=\"8641\" data-col-size=\"sm\"><strong data-start=\"8629\" data-end=\"8640\">\u041d\u0418-9402<\/strong><\/td>\n<td data-start=\"8641\" data-end=\"8664\" data-col-size=\"sm\">LVTTL high-speed DIO<\/td>\n<td data-start=\"8664\" data-end=\"8700\" data-col-size=\"sm\">\u0412\u044b\u0441\u043e\u043a\u043e\u0441\u043a\u043e\u0440\u043e\u0441\u0442\u043d\u0430\u044f \u0446\u0438\u0444\u0440\u043e\u0432\u0430\u044f \u0441\u0432\u044f\u0437\u044c<\/td>\n<\/tr>\n<tr data-start=\"8701\" data-end=\"8790\">\n<td data-start=\"8701\" data-end=\"8715\" data-col-size=\"sm\"><strong data-start=\"8703\" data-end=\"8714\">NI-9403<\/strong><\/td>\n<td data-start=\"8715\" data-end=\"8754\" data-col-size=\"sm\">32-channel 5 V TTL bidirectional DIO<\/td>\n<td data-start=\"8754\" data-end=\"8790\" data-col-size=\"sm\">General-purpose FPGA digital I\/O<\/td>\n<\/tr>\n<tr data-start=\"8791\" data-end=\"8860\">\n<td data-start=\"8791\" data-end=\"8805\" data-col-size=\"sm\"><strong data-start=\"8793\" data-end=\"8804\">NI-9425<\/strong><\/td>\n<td data-start=\"8805\" data-end=\"8832\" data-col-size=\"sm\">32-\u043a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0445\u043e\u0434<\/td>\n<td data-start=\"8832\" data-end=\"8860\" data-col-size=\"sm\">Industrial DI monitoring<\/td>\n<\/tr>\n<tr data-start=\"8861\" data-end=\"8928\">\n<td data-start=\"8861\" data-end=\"8875\" data-col-size=\"sm\"><strong data-start=\"8863\" data-end=\"8874\">NI-9477<\/strong><\/td>\n<td data-start=\"8875\" data-end=\"8903\" data-col-size=\"sm\">32-\u043a\u0430\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u044b\u0445\u043e\u0434<\/td>\n<td data-start=\"8903\" data-end=\"8928\" data-col-size=\"sm\">Industrial DO control<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"8930\" data-end=\"9294\">\u041f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 <strong data-start=\"8948\" data-end=\"8959\">NI-9425<\/strong> \u0438 <strong data-start=\"8964\" data-end=\"8975\">NI-9477<\/strong>, the NI-9403 provides true bidirectional FPGA-configurable digital I\/O instead of fixed-direction industrial channels. Compared with the <strong data-start=\"9113\" data-end=\"9124\">\u041d\u0418-9402<\/strong>, the NI-9403 prioritizes higher channel count and general-purpose TTL operation rather than ultra-high-speed LVTTL communication.<\/p>\n<h3 data-section-id=\"1079bb9\" data-start=\"9301\" data-end=\"9315\">\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n<p data-start=\"9317\" data-end=\"9503\">\u0417\u0435\u043c\u043b\u044f <strong data-start=\"9321\" data-end=\"9332\">NI-9403<\/strong> is a rugged high-density <strong data-start=\"9358\" data-end=\"9405\">32-channel bidirectional digital I\/O module<\/strong> designed for CompactRIO and CompactDAQ systems requiring flexible FPGA-based digital interfacing.<\/p>\n<p data-start=\"9505\" data-end=\"9524\">\u0415\u0433\u043e \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0435:<\/p>\n<ul data-start=\"9526\" data-end=\"9762\">\n<li data-section-id=\"1a4uuvh\" data-start=\"9526\" data-end=\"9564\">32 configurable digital I\/O channels<\/li>\n<li data-section-id=\"7xhvqh\" data-start=\"9565\" data-end=\"9588\">5 V TTL compatibility<\/li>\n<li data-section-id=\"1xfmbs3\" data-start=\"9589\" data-end=\"9620\">Per-channel direction control<\/li>\n<li data-section-id=\"19xzldy\" data-start=\"9621\" data-end=\"9639\">\u0418\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044f \u041f\u041b\u0418\u0421<\/li>\n<li data-section-id=\"1kvh53a\" data-start=\"9640\" data-end=\"9667\">High-speed digital timing<\/li>\n<li data-section-id=\"zoongs\" data-start=\"9668\" data-end=\"9697\">Counter and encoder support<\/li>\n<li data-section-id=\"j16sej\" data-start=\"9698\" data-end=\"9730\">Industrial protection features<\/li>\n<li data-section-id=\"ue7al5\" data-start=\"9731\" data-end=\"9762\">Rugged industrial reliability<\/li>\n<\/ul>\n<p data-start=\"9764\" data-end=\"10005\">makes it an excellent solution for FPGA systems, industrial automation, embedded control, motion systems, encoder interfaces, digital communication, and deterministic real-time industrial applications.<\/p>","protected":false},"excerpt":{"rendered":"<p>\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 \/>\n\u041d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0442\u043e\u043a\u0430: \u041f\u043e\u0433\u0440\u0443\u0436\u043d\u043e\u0439 \u0432\u0445\u043e\u0434, \u041f\u043e\u0433\u0440\u0443\u0436\u043d\u043e\u0439 \u0432\u044b\u0445\u043e\u0434, \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0432\u0445\u043e\u0434\u0430, \u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a \u0432\u044b\u0445\u043e\u0434\u0430<br \/>\n\u0412 \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0442 \u0432\u0445\u043e\u0434\u0438\u0442: \u0414\u0430<br \/>\nDigital I\/O Logic Levels: 5 V TTL<br \/>\nDigital I\/O Isolation: 60 VDC Ch-Earth Ground Isolation<br \/>\nFront Connection Type: D-SUB<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u0430\u043d\u0430\u043b\u043e\u0432 \u0442\u043e\u043b\u044c\u043a\u043e \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0432\u0445\u043e\u0434\u0430: 0<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043a\u0430\u043d\u0430\u043b\u043e\u0432 \u0442\u043e\u043b\u044c\u043a\u043e \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0433\u043e \u0432\u044b\u0432\u043e\u0434\u0430: 0<br \/>\nMaximum Update Rate: 7 \u00b5s<br \/>\n\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u0430\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430: \u0421\u0435\u0440\u0438\u044f C<\/p>","protected":false},"featured_media":31074,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[673],"product_tag":[],"class_list":["post-32985","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-c-module","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) - 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