{"id":2348,"date":"2019-08-22T13:02:13","date_gmt":"2019-08-22T13:02:13","guid":{"rendered":"https:\/\/35.94.173.37\/blog\/?p=2348"},"modified":"2024-11-04T13:04:01","modified_gmt":"2024-11-04T13:04:01","slug":"national-instruments-scc-part-1","status":"publish","type":"post","link":"https:\/\/www.apexwaves.com\/blog\/national-instruments-scc-part-1\/","title":{"rendered":"National Instruments SCC: Part 1"},"content":{"rendered":"

This is the introduction to\u00a0National Instruments SCC<\/a>, which will be our next series of blog posts. NI SCC is a portable, modular signal conditioning system compatible with\u00a0M Series<\/strong>,\u00a0E Series<\/strong>, and certain\u00a0B Series<\/strong>\u00a0and portable multifunction DAQ devices. SCC models condition many types of analog input and digital I\/O signals.<\/p>\n

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With this modular design, you pick your conditioning for each channel. SCC provides customized connectivity options, matching your sensor or signal connection type. While the low-profile carrier is ideal for use with PCMCIA DAQCards and DAQPads for portable applications, you can also utilize the system for rack-mounted or desktop applications. NI-DAQ driver software controls every aspect of your DAQ system from the configuration, to programming in LabVIEW, to low-level OS and device control. Check out the new ease-of-use and performance features of NI-DAQmx and NI LabVIEW graphical programming environment.<\/p>\n

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National Instruments SC-23xx<\/strong>\u00a0shielded carriers consist of three models, the\u00a0SC-2345<\/a>\u00a0Connector Block, the\u00a0SC-2345<\/strong>\u00a0with Configurable Connectors, and the\u00a0SC-2350<\/strong>\u00a0(with configurable TEDS connectors). These carriers are shielded enclosures for SCC signal conditioning modules that connect directly to\u00a0M Series<\/strong>,\u00a0E Series<\/strong>, and\u00a0B Series DAQ devices<\/strong>. These carriers are equipped with sockets for SCC modules, as well as screw terminals for suitable connections to digital I\/O and counter\/timer (GPCTR) signals of the DAQ device.<\/p>\n

All three models are available with three power options:<\/p>\n

-01 Power from the external DAQ device
\n-02 Power from a universal AC power supply (included)
\n-03 Power from a 7 to 42 VDC power supply (not included)<\/p>\n

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SCC modules are small pods that condition analog and digital signals for your data acquisition device. SCC modules are obtainable for multiple types of I\/O, such as thermocouples, RTDs, accelerometers, low-pass filtering, voltage attenuation, frequency-to-voltage conversion, current input, isolated digital input and output, isolated analog input, and feedthrough.<\/p>\n

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The\u00a0NI SCC-AI Series<\/strong>\u00a0contains 2-channel isolated analog input modules.\u00a0NI SCC-AI<\/strong>\u00a0modules accept input voltages from \u00b150 mV to \u00b142 V. They are rated for CAT II, and offer safety working isolation of 300 V per module.\u00a0SCC-AI<\/strong>\u00a0modules are offered with either a 4 Hz or 10 kHz lowpass filter.<\/p>\n

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The\u00a0SCC-TC01<\/strong>\u00a0and\u00a0SCC-TC02<\/strong>\u00a0are 1-channel modules for conditioning several types of thermocouples, including J, K, T, B, E, N, R, and S, and millivolt inputs with a range of \u00b1100 mV. The\u00a0NI SCC-TC0x<\/strong>\u00a0modules have a 2 Hz lowpass noise filter, instrumentation amplifier with a gain of 100, and buffered outputs for the highest scanning rates by an\u00a0M Series DAQ device<\/strong>. The input circuitry of the\u00a0SCC-TC0x<\/strong>\u00a0modules also includes high-impedance bias resistors for open-thermocouple detection, as well as handling both floating and ground-referenced thermocouples. The\u00a0SCC-TCox<\/strong>\u00a0modules include an onboard thermistor for cold-junction compensation.<\/p>\n

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The\u00a0NI SCC-LP Series<\/strong>\u00a0includes 2-channel lowpass filter modules that accept \u00b110 V signals. Every channel has a 4th-order Butterworth filter, with the option of cutoff frequencies listed above. The cutoff frequency is specific to the module and applies to both channels. This module can also be cascaded with other SCC modules for applications demanding lowpass filtering as well as additional SCC conditioning.<\/p>\n

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The\u00a0SCC-SG Series<\/strong>\u00a0comprises five models of 2-channel strain gauge input modules, each created for a specific strain gauge configuration \u2014 120 \u03a9 quarter-bridge, 350 \u03a9 quarter-bridge, half-bridge, and full-bridge. Every module has one 2.5 V excitation source. The\u00a0NI SCC-SG24<\/strong>, which has a 10 V excitation source, is suitable for load cell and pressure sensor inputs. Each channel of these modules includes an instrumentation amplifier, a 1.6 kHz lowpass filter, and a potentiometer for bridge offset nulling.\u00a0National Instruments<\/strong>\u00a0additionally offers the\u00a0SCC-SG11<\/strong>\u00a0module, with which you can complete programmable shunt calibration.<\/p>\n

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The\u00a0National Instruments SCC-ACC01<\/strong>\u00a0is a single channel signal conditioning module for an Integrated Electronic Piezoelectric (IEPE) compatible accelerometer or microphone. The\u00a0NI SCC-ACC01<\/strong>\u00a0includes an AC differential amplifier and 3-pole Bessel lowpass filter (19 kHz). This module also delivers a 4 mA constant current source for sensor excitation.<\/p>\n

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The\u00a0SCC-RTD01<\/strong>\u00a0is a 2-channel module that accepts 2, 3, or 4-wire platinum RTDs. Each channel of the\u00a0NI SCC-RTD01<\/strong>\u00a0has an amplifier with a gain of 25 and a 30 Hz lowpass filter. Additionally, every module has a 1 mA excitation source for one or two RTDs.<\/p>\n

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The\u00a0SCC-FV01<\/strong>\u00a0is a 2-channel frequency-to-voltage conversion module that accepts \u00b110 V signals up to 100 Hz. The output scales linearly with the input frequency, between 0 and 10 VDC (0 V with a DC input signal). Each channel triggers on the incoming signal utilizing a threshold of 0 V, with a hysteresis of 200 mV. For isolated solutions, a good combination is the\u00a0NI SCC-AI03<\/strong>\u00a0cascaded with the\u00a0SCC-FV01<\/strong>.<\/p>\n

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The\u00a0NI SCC-CI20<\/strong>\u00a0is a 2-channel module that accepts two 0 to 20 mA or 4 to 20 mA current loop inputs. Each individual channel of the\u00a0NI SCC-CI20<\/strong>\u00a0includes a precision 249 \u03a9 current conversion resistor that changes a 0 to 20 mA signal into a 0 to 5 V signal. Each channel includes a differential instrumentation amplifier with low-impedance outputs for maximum scanning rates by the multifunction DAQ device, and bias resistors for handling floating and ground-referenced current sources. The\u00a0SCC-CI20<\/strong>\u00a0includes two spare 249 \u03a9 replacement resistors as well.<\/p>\n

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The\u00a0SCC-A10<\/strong>\u00a0is a 2-channel module that accepts input voltage sources up to \u00b1100 V. Each channel of the\u00a0NI SCC-A10<\/strong>\u00a0includes a divide-by-10 attenuation circuit and differential instrumentation amplifier with low-impedance outputs for maximum scanning rates by the DAQ device. The attenuation circuit includes high-impedance bias resistors, so you can link floating or ground-referenced inputs to the\u00a0SCC-A10<\/strong>\u00a0without the necessity of adding external bias resistors. The\u00a0SCC-A10<\/strong>\u00a0additionally delivers overvoltage protection (up to 250 Vrms) for a DAQ system.<\/p>\n

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Next week, part 2 of the NI SCC blog series will be up on our blog!<\/p>\n","protected":false},"excerpt":{"rendered":"

This is the introduction to\u00a0National Instruments SCC, which will be our next series of blog posts. NI SCC is a portable, modular signal conditioning system compatible with\u00a0M Series,\u00a0E Series, and certain\u00a0B Series\u00a0and portable multifunction DAQ devices. SCC models condition many types of analog input and digital I\/O signals.   With this modular design, you pick […]<\/p>\n","protected":false},"author":1,"featured_media":2350,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[30,82,393,420,473,709,716,724,728,843],"class_list":["post-2348","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-instruments","tag-aerospace","tag-aviation","tag-national-instruments","tag-national-instruments-scc","tag-ni-scc","tag-sc-2345","tag-scc-ai","tag-scc-lp","tag-scc-tc01","tag-signal-conditioning"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2348","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=2348"}],"version-history":[{"count":1,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2348\/revisions"}],"predecessor-version":[{"id":2352,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2348\/revisions\/2352"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media\/2350"}],"wp:attachment":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media?parent=2348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/categories?post=2348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/tags?post=2348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}