{"id":2506,"date":"2019-07-25T06:54:11","date_gmt":"2019-07-25T06:54:11","guid":{"rendered":"https:\/\/35.94.173.37\/blog\/?p=2506"},"modified":"2024-11-05T07:00:15","modified_gmt":"2024-11-05T07:00:15","slug":"national-instruments-scxi-part-2","status":"publish","type":"post","link":"https:\/\/www.apexwaves.com\/blog\/national-instruments-scxi-part-2\/","title":{"rendered":"National Instruments SCXI: Part 2"},"content":{"rendered":"

This is the second part in our series covering the\u00a0National Instruments SCXI<\/a><\/strong>\u00a0Series. To read the first part in the series, which describes the SCXI analog input modules,\u00a0click here<\/a><\/strong>.<\/p>\n

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An SCXI system has several parts. One of these is the\u00a0SCXI-1124<\/strong><\/a>\u00a0Digital-to-Analog Converter Module. The\u00a0NI SCXI-1124<\/strong>\u00a0is a 6-channel isolated source for DC (low bandwidth) voltage or current signals. The\u00a0NI SCXI-1124<\/strong>\u00a0includes six independently isolated, 12-bit digital-to-analog-converter (DAC) channels. You can configure each channel for voltage or current output. For voltage, choose any of the available three unipolar or three bipolar ranges. For current, each channel outputs 0 to 20 mA. The module is software configurable and includes an onboard EEPROM for storing calibration constants. The\u00a0SCXI-1124<\/strong>\u00a0is well-suited for applications requiring isolated voltage or current outputs to control a process. For more channels, you can use several\u00a0SCXI-1124<\/strong>\u00a0modules in an SCXI system along with other signal conditioning I\/O modules. The\u00a0SCXI-1124<\/strong>\u00a0is controlled digitally over the SCXIbus, so a single DAQ device can control several\u00a0SCXI-1124<\/strong>\u00a0modules.<\/p>\n

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The second analog output module in the SCXI series is the\u00a0SCXI-1581<\/strong><\/a>\u00a0Current Excitation Module<\/strong>. The\u00a0National Instruments SCXI-1581<\/strong>\u00a0provides 32 channels of 100 \u00b5A current excitation. The high accuracy and stability of these current sources make them especially well-suited for measuring resistance with a high degree of accuracy. The module is ideal in any application that requires a 100 \u00b5A fixed current excitation, such as resistive temperature devices (RTDs). You can use the\u00a0SCXI-1581<\/strong>\u00a0with the\u00a0SCXI-1102<\/strong>\u00a0to create a high-channel-count RTD measurement system.<\/p>\n

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The\u00a0SCXI-1600<\/strong>\u00a0USB data acquisition module can be used in conjunction with either of these modules to create a completely plug-and-play USB data acquisition system. An SCXI chassis is required to house the\u00a0SCXI-1600<\/strong>\u00a0and assorted SCXI modules for a specific system. The\u00a0SCXI-1000<\/strong>\u00a0chassis is capable of holding up to four modules while the\u00a0SCXI-1001<\/strong>\u00a0can hold up to 12.<\/p>\n

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Another type of SCXI module is digital input and output modules. These include the\u00a0SCXI-1162<\/strong><\/a>, the\u00a0SCXI-1162HV<\/strong>, and the\u00a0SCXI-1163 Digital I\/O Modules<\/strong>. These modules all have similar features and capabilities with only slight variations. All three modules have 32 channels of optically-isolated digital inputs, arranged in eight isolated banks of four input lines each. The\u00a0SCXI-1162<\/strong>\u00a0interfaces to field digital logic signals, such as TTL and CMOS, where high common-mode voltages can be present. The\u00a0SCXI-1162HV<\/strong>\u00a0and\u00a0SCXI-1163<\/strong>\u00a0additionally interface to field digital logic signals. Each of these three modules is programmed by the DAQ device serially over the SCXIbus.<\/p>\n

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Check our blog for the third part in the\u00a0National Instruments SCXI<\/strong>\u00a0blog series soon!<\/p>\n","protected":false},"excerpt":{"rendered":"

This is the second part in our series covering the\u00a0National Instruments SCXI\u00a0Series. To read the first part in the series, which describes the SCXI analog input modules,\u00a0click here.   An SCXI system has several parts. One of these is the\u00a0SCXI-1124\u00a0Digital-to-Analog Converter Module. The\u00a0NI SCXI-1124\u00a0is a 6-channel isolated source for DC (low bandwidth) voltage or current […]<\/p>\n","protected":false},"author":1,"featured_media":2507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[393,474,733,734,736],"class_list":["post-2506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-instruments","tag-national-instruments","tag-ni-scxi","tag-scxi","tag-scxi-end-of-life","tag-scxi-obsolete"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/comments?post=2506"}],"version-history":[{"count":1,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2506\/revisions"}],"predecessor-version":[{"id":2508,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2506\/revisions\/2508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media\/2507"}],"wp:attachment":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media?parent=2506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/categories?post=2506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/tags?post=2506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}