{"id":30188,"date":"2025-09-25T15:09:28","date_gmt":"2025-09-25T07:09:28","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=30188"},"modified":"2026-08-14T22:34:30","modified_gmt":"2026-08-14T14:34:30","slug":"pxi-6221","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxi-6221\/","title":{"rendered":"PXI-6221"},"content":{"rendered":"<h3>Product Introduction<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI PXI-6221<\/strong> is an M Series multifunction data acquisition (DAQ) module designed for automated testing, laboratory measurement, industrial monitoring, sensor acquisition, and general-purpose PXI measurement systems. It combines analog input, analog output, digital I\/O, and counter\/timer functionality in a single modular instrument.\n<\/p>\n<p>\nFeaturing 16 single-ended or 8 differential analog inputs, 16-bit resolution, a maximum aggregate analog input sampling rate of 250 kS\/s, two analog outputs, 24 digital I\/O lines, and two 32-bit counter\/timers, the PXI-6221 provides a versatile solution for multifunction data acquisition and control applications.\n<\/p>\n<h3>Product Overview<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI PXI-6221<\/strong> belongs to the NI M Series multifunction DAQ family and is designed to consolidate multiple measurement and control functions into a single PXI module.\n<\/p>\n<p>\nIts analog input subsystem supports up to 16 single-ended or 8 differential measurement channels with 16-bit resolution. The multiplexed acquisition architecture provides an aggregate sampling rate of up to 250 kS\/s, making the module suitable for general-purpose voltage acquisition, sensor measurements, electronic validation, and automated data logging.\n<\/p>\n<p>\nUnlike input-focused DAQ modules such as the PXI-6225, the PXI-6221 also provides two analog output channels. Combined with digital I\/O and counter\/timer resources, this enables the module to perform stimulus, measurement, control, and timing functions within the same PXI test system.\n<\/p>\n<h3>Key Features<\/h3>\n<h4>16 Analog Input Channels<\/h4>\n<p>\nThe PXI-6221 provides flexible analog input configurations for general-purpose voltage and sensor measurements.\n<\/p>\n<ul>\n<li>16 single-ended analog inputs<\/li>\n<li>8 differential analog inputs<\/li>\n<li>Multi-channel voltage acquisition<\/li>\n<li>Sensor signal measurement<\/li>\n<li>Automated data logging<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> The configurable input architecture allows engineers to balance channel count and differential measurement requirements according to the application.\n<\/p>\n<h4>16-Bit Analog Input Resolution<\/h4>\n<p>\nThe PXI-6221 uses 16-bit analog-to-digital conversion for general-purpose measurement applications.\n<\/p>\n<ul>\n<li>16-bit ADC resolution<\/li>\n<li>Voltage signal acquisition<\/li>\n<li>Sensor measurements<\/li>\n<li>Electronic characterization<\/li>\n<li>Repeatable automated measurements<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Provides suitable measurement resolution for a broad range of laboratory, industrial, and automated test applications.\n<\/p>\n<h4>250 kS\/s Analog Input Sampling<\/h4>\n<p>\nThe PXI-6221 supports a maximum aggregate analog input sampling rate of up to 250 kS\/s.\n<\/p>\n<ul>\n<li>Up to 250 kS\/s aggregate sampling<\/li>\n<li>Hardware-timed acquisition<\/li>\n<li>Multi-channel data acquisition<\/li>\n<li>Waveform monitoring<\/li>\n<li>Automated measurement applications<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Provides a practical combination of acquisition speed and multifunction capability for general-purpose PXI test systems.\n<\/p>\n<h4>Multiplexed Analog Input Architecture<\/h4>\n<p>\nThe PXI-6221 uses a multiplexed analog input architecture in which multiple input channels share the analog-to-digital conversion subsystem.\n<\/p>\n<ul>\n<li>Efficient multi-channel acquisition<\/li>\n<li>Sequential channel scanning<\/li>\n<li>Flexible channel configuration<\/li>\n<li>Compact multifunction architecture<\/li>\n<li>General-purpose measurement capability<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Multiplexing enables multiple analog input channels to be integrated economically into a compact multifunction PXI module.\n<\/p>\n<h4>2 Analog Output Channels<\/h4>\n<p>\nIn addition to analog acquisition, the PXI-6221 provides two analog output channels for generating programmable voltage signals.\n<\/p>\n<ul>\n<li>2 analog output channels<\/li>\n<li>16-bit analog output resolution<\/li>\n<li>Programmable voltage generation<\/li>\n<li>Stimulus generation<\/li>\n<li>Closed-loop test applications<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Analog input and output functionality can be combined within one module for stimulus-and-response testing and basic control applications.\n<\/p>\n<h4>24 Digital I\/O Lines<\/h4>\n<p>\nThe PXI-6221 provides 24 digital I\/O lines for interfacing with external digital devices, test fixtures, and control hardware.\n<\/p>\n<ul>\n<li>24 digital I\/O lines<\/li>\n<li>Digital input monitoring<\/li>\n<li>Digital output control<\/li>\n<li>Test fixture interfacing<\/li>\n<li>Device status monitoring<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Digital control functions can be integrated with analog acquisition and generation without requiring a separate general-purpose digital I\/O module.\n<\/p>\n<h4>Two 32-Bit Counter\/Timers<\/h4>\n<p>\nThe PXI-6221 includes two 32-bit counter\/timers for hardware-timed measurement and generation applications.\n<\/p>\n<ul>\n<li>\u041f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\u0439<\/li>\n<li>Frequency measurement<\/li>\n<li>Period measurement<\/li>\n<li>Pulse-width measurement<\/li>\n<li>\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0438\u043c\u043f\u0443\u043b\u044c\u0441\u043e\u0432<\/li>\n<li>Encoder-related measurements<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Counter\/timer resources extend the module&#8217;s functionality beyond conventional analog and digital data acquisition.\n<\/p>\n<h4>Hardware Timing and Triggering<\/h4>\n<p>\nThe PXI-6221 supports hardware timing and triggering for repeatable automated measurement sequences.\n<\/p>\n<ul>\n<li>Hardware-timed analog acquisition<\/li>\n<li>External triggering<\/li>\n<li>Sample clock control<\/li>\n<li>PXI trigger integration<\/li>\n<li>Coordinated measurement sequences<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Hardware timing provides more deterministic and repeatable measurements than software-timed acquisition alone.\n<\/p>\n<h4>\u0418\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044f \u0441\u0438\u0441\u0442\u0435\u043c PXI<\/h4>\n<p>\nThe PXI-6221 can be installed alongside other PXI instruments to create complete automated test and measurement systems.\n<\/p>\n<ul>\n<li>PXI modular architecture<\/li>\n<li>Multi-instrument integration<\/li>\n<li>Shared PXI triggering resources<\/li>\n<li>Compact test system design<\/li>\n<li>Scalable measurement architecture<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Engineers can combine multifunction DAQ with switching, DMM, oscilloscope, signal generation, communication, and timing modules within a unified PXI platform.\n<\/p>\n<h4>NI-DAQmx Software Support<\/h4>\n<p>\nThe PXI-6221 is supported by NI-DAQmx for hardware configuration, acquisition, generation, timing, triggering, and application development.\n<\/p>\n<ul>\n<li>NI-DAQmx support<\/li>\n<li>\u0418\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044f LabVIEW<\/li>\n<li>NI MAX configuration<\/li>\n<li>TestStand integration<\/li>\n<li>C\/C++ and .NET development<\/li>\n<\/ul>\n<p>\n<strong>Advantage:<\/strong> Provides an established software ecosystem for developing customized data acquisition and automated test applications.\n<\/p>\n<h3>Technical Specifications<\/h3>\n<table>\n<tr>\n<th>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td width=\"220\">Product Type<\/td>\n<td>PXI M Series Multifunction DAQ Module<\/td>\n<\/tr>\n<tr>\n<td>Analog Input Channels<\/td>\n<td>16 Single-Ended \/ 8 Differential<\/td>\n<\/tr>\n<tr>\n<td>Analog Input Resolution<\/td>\n<td>16-\u0431\u0438\u0442\u043d\u044b\u0439<\/td>\n<\/tr>\n<tr>\n<td>Maximum Analog Input Sample Rate<\/td>\n<td>250 kS\/s Aggregate<\/td>\n<\/tr>\n<tr>\n<td>Analog Input Architecture<\/td>\n<td>Multiplexed<\/td>\n<\/tr>\n<tr>\n<td>Maximum Analog Input Range<\/td>\n<td>\u00b110 V<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Channels<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Resolution<\/td>\n<td>16-\u0431\u0438\u0442\u043d\u044b\u0439<\/td>\n<\/tr>\n<tr>\n<td>Analog Output Range<\/td>\n<td>\u00b110 V<\/td>\n<\/tr>\n<tr>\n<td>\u0426\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u0432\u043e\u0434-\u0432\u044b\u0432\u043e\u0434<\/td>\n<td>24 Lines<\/td>\n<\/tr>\n<tr>\n<td>Counter\/Timers<\/td>\n<td>2, 32-bit<\/td>\n<\/tr>\n<tr>\n<td>Timing<\/td>\n<td>Hardware Timed<\/td>\n<\/tr>\n<tr>\n<td>\u0417\u0430\u043f\u0443\u0441\u043a<\/td>\n<td>Analog and Digital Triggering Support<\/td>\n<\/tr>\n<tr>\n<td>Bus Platform<\/td>\n<td>PXI<\/td>\n<\/tr>\n<tr>\n<td>Product Family<\/td>\n<td>NI M Series Multifunction DAQ<\/td>\n<\/tr>\n<tr>\n<td>Driver<\/td>\n<td>\u041d\u0418-DAQmx<\/td>\n<\/tr>\n<tr>\n<td>Primary Applications<\/td>\n<td>Multifunction DAQ, Automated Test, Sensor Measurement and Laboratory Data Acquisition<\/td>\n<\/tr>\n<\/table>\n<h3>Software Ecosystem<\/h3>\n<p>\nThe NI PXI-6221 integrates with NI software tools for measurement configuration, data acquisition, signal generation, analysis, visualization, and automated testing.\n<\/p>\n<ul>\n<li>\n<strong>NI-DAQmx:<\/strong> Provides configuration and programming APIs for analog input, analog output, digital I\/O, counters, timing, and triggering.\n<\/li>\n<li>\n<strong>LabVIEW:<\/strong> Enables development of customized acquisition, control, visualization, data logging, and automated measurement applications.\n<\/li>\n<li>\n<strong>NI MAX:<\/strong> Provides hardware detection, configuration, self-test, diagnostics, and basic hardware testing.\n<\/li>\n<li>\n<strong>TestStand:<\/strong> Enables PXI-6221 measurements and control functions to be incorporated into automated validation and production test sequences.\n<\/li>\n<li>\n<strong>C\/C++ and .NET:<\/strong> Support customized test and measurement application development through compatible NI-DAQmx APIs.\n<\/li>\n<\/ul>\n<h3>Industries<\/h3>\n<ul>\n<li>Automated Test<\/li>\n<li>Electronic Manufacturing<\/li>\n<li>\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<li>Automotive Testing<\/li>\n<li>\u0410\u044d\u0440\u043e\u043a\u043e\u0441\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0438 \u043e\u0431\u043e\u0440\u043e\u043d\u043d\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/li>\n<li>Electromechanical Testing<\/li>\n<li>Research and Development<\/li>\n<li>Scientific Laboratories<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<h4>General-Purpose Data Acquisition<\/h4>\n<p>\nThe PXI-6221 provides a balanced combination of analog, digital, and timing resources for general-purpose PXI data acquisition.\n<\/p>\n<ul>\n<li>Voltage acquisition<\/li>\n<li>Multi-channel measurements<\/li>\n<li>\u0420\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445<\/li>\n<li>Laboratory instrumentation<\/li>\n<\/ul>\n<h4>Automated Electronic Testing<\/h4>\n<p>\nThe multifunction architecture makes the PXI-6221 suitable for automated electronic validation and production test systems.\n<\/p>\n<ul>\n<li>Functional testing<\/li>\n<li>Electronic subsystem validation<\/li>\n<li>Production testing<\/li>\n<li>Automated measurement sequences<\/li>\n<\/ul>\n<h4>Stimulus and Response Testing<\/h4>\n<p>\nThe combination of analog input and analog output enables the PXI-6221 to generate test signals and measure resulting responses.\n<\/p>\n<ul>\n<li>Programmable voltage stimulus<\/li>\n<li>Device response measurement<\/li>\n<li>Component characterization<\/li>\n<li>Automated functional testing<\/li>\n<\/ul>\n<h4>Sensor Measurement<\/h4>\n<p>\nWhen paired with appropriate sensors and signal conditioning, the PXI-6221 can acquire a variety of physical measurement signals.\n<\/p>\n<ul>\n<li>Pressure measurement<\/li>\n<li>Position measurement<\/li>\n<li>Force and load measurement<\/li>\n<li>General-purpose transducer acquisition<\/li>\n<\/ul>\n<h4>Industrial Monitoring and Control<\/h4>\n<p>\nAnalog input, analog output, digital I\/O, and counter resources allow the PXI-6221 to perform measurement and basic control functions.\n<\/p>\n<ul>\n<li>Machine monitoring<\/li>\n<li>Process measurement<\/li>\n<li>\u0414\u0438\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u043a\u0430 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f<\/li>\n<li>Automated control systems<\/li>\n<\/ul>\n<h4>Counter and Frequency Measurement<\/h4>\n<p>\nThe integrated counter\/timers can be used for digital timing and event measurement applications.\n<\/p>\n<ul>\n<li>Frequency measurement<\/li>\n<li>\u041f\u043e\u0434\u0441\u0447\u0435\u0442 \u0441\u043e\u0431\u044b\u0442\u0438\u0439<\/li>\n<li>Period measurement<\/li>\n<li>Pulse-width measurement<\/li>\n<li>Encoder measurements<\/li>\n<\/ul>\n<h4>Research and Laboratory Measurement<\/h4>\n<p>\nThe PXI-6221 provides a programmable multifunction measurement platform for engineering and scientific laboratories.\n<\/p>\n<ul>\n<li>Experimental data acquisition<\/li>\n<li>Prototype characterization<\/li>\n<li>Automated laboratory testing<\/li>\n<li>Engineering research<\/li>\n<\/ul>\n<h3>Comparison with Similar PXI DAQ Modules<\/h3>\n<table>\n<tr>\n<th>\u041c\u043e\u0434\u0435\u043b\u044c<\/th>\n<th>\u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0440\u0430\u0437\u043b\u0438\u0447\u0438\u0435<\/th>\n<th>Best Application<\/th>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6221\/\"><strong>NI PXI-6221<\/strong><\/a>\n<\/td>\n<td>\n16-bit multifunction M Series DAQ with 16 single-ended analog inputs, two analog outputs, digital I\/O, and counter\/timers.\n<\/td>\n<td>\nGeneral-purpose multifunction data acquisition\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6225\/\"><strong>NI PXI-6225<\/strong><\/a>\n<\/td>\n<td>\nHigh-channel-count M Series DAQ providing up to 80 single-ended analog inputs for systems requiring significantly more measurement channels.\n<\/td>\n<td>\nHigh-density analog input acquisition\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d0%ba%d1%81%d0%b8-6251\/\"><strong>NI PXI-6251<\/strong><\/a>\n<\/td>\n<td>\nHigher-performance M Series multifunction DAQ with faster analog input sampling for more demanding automated measurement applications.\n<\/td>\n<td>\nHigher-speed general-purpose multifunction DAQ\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6280\/\"><strong>NI PXI-6280<\/strong><\/a>\n<\/td>\n<td>\nHigh-accuracy M Series DAQ featuring 18-bit analog input resolution for applications prioritizing precision.\n<\/td>\n<td>\nHigh-accuracy analog measurement\n<\/td>\n<\/tr>\n<\/table>\n<h3>Recommended Related Products<\/h3>\n<table>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6225\/\"><strong>NI PXI-6225<\/strong><\/a>\n<\/td>\n<td>\nHigh-channel-count M Series DAQ module for applications requiring substantially more analog measurement channels.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d0%ba%d1%81%d0%b8-6251\/\"><strong>NI PXI-6251<\/strong><\/a>\n<\/td>\n<td>\nHigher-performance multifunction DAQ module for applications requiring faster analog acquisition and broader measurement capability.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6280\/\"><strong>NI PXI-6280<\/strong><\/a>\n<\/td>\n<td>\n18-bit high-accuracy multifunction DAQ module for precision voltage and sensor measurement applications.\n<\/td>\n<\/tr>\n<tr>\n<td width=\"180\">\n<a href=\"https:\/\/pxisource.com\/ru\/product\/pxi-6722\/\"><strong>NI PXI-6722<\/strong><\/a>\n<\/td>\n<td>\nDedicated PXI analog output module for systems requiring a larger number of programmable analog output channels.\n<\/td>\n<\/tr>\n<\/table>\n<h3>Why Choose PXI-6221?<\/h3>\n<ul>\n<li>16 single-ended or 8 differential analog inputs<\/li>\n<li>16-bit analog input resolution<\/li>\n<li>Up to 250 kS\/s aggregate analog input sampling<\/li>\n<li>2 analog output channels<\/li>\n<li>24 digital I\/O lines<\/li>\n<li>Two 32-bit counter\/timers<\/li>\n<li>Hardware timing and triggering<\/li>\n<li>PXI modular system integration<\/li>\n<li>NI-DAQmx and LabVIEW support<\/li>\n<li>Suitable for measurement, stimulus, control, and automated testing<\/li>\n<\/ul>\n<h3>Frequently Asked Questions<\/h3>\n<h4>What is the NI PXI-6221?<\/h4>\n<p>\nThe NI PXI-6221 is an M Series multifunction PXI data acquisition module that combines analog input, analog output, digital I\/O, and counter\/timer functionality for automated test and general-purpose measurement applications.\n<\/p>\n<h4>How many analog input channels does the PXI-6221 have?<\/h4>\n<p>\nThe PXI-6221 provides up to 16 single-ended analog input channels or 8 differential analog input channels.\n<\/p>\n<h4>What is the analog input resolution of the PXI-6221?<\/h4>\n<p>\nThe PXI-6221 provides 16-bit analog input resolution, making it suitable for general-purpose voltage, sensor, laboratory, and automated test measurements.\n<\/p>\n<h4>What is the maximum sampling rate of the PXI-6221?<\/h4>\n<p>\nThe PXI-6221 supports a maximum aggregate analog input sampling rate of 250 kS\/s. Because the module uses a multiplexed analog input architecture, this specification should not be interpreted as a simultaneous 250 kS\/s rate for every analog input channel.\n<\/p>\n<h4>Does the PXI-6221 have analog outputs?<\/h4>\n<p>\nYes. The PXI-6221 provides two 16-bit analog output channels, allowing the module to generate programmable voltage signals for stimulus, control, and automated test applications.\n<\/p>\n<h4>How many digital I\/O lines does the PXI-6221 provide?<\/h4>\n<p>\nThe PXI-6221 provides 24 digital I\/O lines for interfacing with external devices, monitoring digital states, controlling test fixtures, and implementing automated test logic.\n<\/p>\n<h4>Does the PXI-6221 include counter\/timers?<\/h4>\n<p>\nYes. The PXI-6221 provides two 32-bit counter\/timers that can be used for event counting, frequency measurement, period measurement, pulse-width measurement, pulse generation, and related timing applications.\n<\/p>\n<h4>What is the difference between PXI-6221 and PXI-6225?<\/h4>\n<p>\nThe PXI-6221 is a general-purpose multifunction DAQ module with 16 single-ended analog inputs and two analog outputs. The PXI-6225 is designed primarily for high-channel-count acquisition and provides up to 80 single-ended analog inputs but does not provide onboard analog outputs. The PXI-6221 is therefore more suitable when multifunction input and output capability is required, while the PXI-6225 is better suited to systems prioritizing analog input channel density.\n<\/p>\n<h4>What is the difference between PXI-6221 and PXI-6251?<\/h4>\n<p>\nBoth belong to the NI M Series multifunction DAQ family. The PXI-6221 provides up to 250 kS\/s aggregate analog input sampling, while the PXI-6251 offers higher analog acquisition performance. The PXI-6221 is suitable for general-purpose applications where moderate sampling speed is sufficient, while the PXI-6251 is preferable for faster measurement requirements.\n<\/p>\n<h4>What software supports the PXI-6221?<\/h4>\n<p>\nThe PXI-6221 is supported by NI-DAQmx and can be integrated with LabVIEW, NI MAX, TestStand, and compatible C\/C++ and .NET development environments.\n<\/p>\n<h3>\u0417\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435<\/h3>\n<p>\n\u0417\u0435\u043c\u043b\u044f <strong>NI PXI-6221 M Series multifunction DAQ module<\/strong> provides a balanced solution for automated data acquisition, signal generation, digital control, timing, and laboratory measurement. With 16 single-ended or 8 differential analog inputs, 16-bit resolution, up to 250 kS\/s aggregate sampling, two analog outputs, 24 digital I\/O lines, two 32-bit counter\/timers, hardware timing, and NI-DAQmx support, the PXI-6221 is well suited for general-purpose PXI automated test and measurement systems.<\/p>","protected":false},"excerpt":{"rendered":"<p>Product Introduction The NI PXI-6221 is an M Series multifunction data acquisition (DAQ) module designed for automated testing, laboratory measurement,<\/p>","protected":false},"featured_media":31247,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[667],"product_tag":[],"class_list":["post-30188","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-modules","first","instock","shipping-taxable","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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