NI 9381
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DSUB connectivity 4 LVTTL lines with a 1 MHz update rate The NI 9381 multifunction I/O module for CompactRIO systems. The NI 9381 combines common I/O circuitry into a single module to help system designers fit more functionality into a single system. • NI 9381 • NI 9381 Getting Started Guide Front-Mount • NI 9923 Screw-Terminal Block Accessories Cable • DSUB Cable, 1 m (778621-01) • Din-Rail Spring-Terminal Block

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NI provides more than 100 C Series modules for measurement, control, and communication applications. C Series modules can connect to any sensor or bus and allow for high-accuracy measurements that meet the demands of advanced data acquisition and control applications. • Measurement-specific signal conditioning that connects to an array of sensors and signals • Isolation options such as bank-to-bank, channel-to-channel, and channel-to-earth ground • -40 °C to 70 °C temperature range to meet a variety of application and environmental needs • Hot-swappable The majority of C Series modules...

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Software LabVIEW Professional Development System for Windows Use advanced software tools for large project development Use advanced measurement analysis and digital signal processing Take advantage of open connectivity with DLLs, ActiveX, and .NET objects Build DLLs, executables, and MSI installers NI LabVIEW FPGA Module Design FPGA applications for NI RIO hardware Program with the same graphical environment used for desktop and real-time applications Execute control algorithms with loop rates up to 300 MHz Implement custom timing and triggering logic, digital protocols, and DSP algorithms...

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NI 9381 Circuitry Line Direction DIO The module provides an analog-to-digital converter (ADC), eight digital-to-analog converters (DAC), and four digital lines. Line direction logic enables/disables the line input and output transceiver. NI 9381 Specifications The following specifications are typical for the range -40 °C to 70 °C unless otherwise noted. Caution Do not operate the NI 9381 in a manner not specified in this document. Product misuse can result in a hazard. You can compromise the safety protection built into the product if the product is damaged in any way. If the product is...

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Input impedance Bandwidth Stability Gain drift 80 ppm/°C Offset drift 85 pV/°C Number of channels DAC resolution Type of DAC Startup voltage Output range Current drive Output impedance Update time Short-circuit protection Slew rate Settling time 1 Accuracy is impacted for AC signals by an amount equal to 4.0/ pV, where f is the signal frequency in hertz 2 Uncalibrated accuracy refers to the accuracy achieved when acquiring in raw or unscaled modes where the calibration constants stored in the module are not applied to the data. NI 9381 Datasheet | © National Instruments | 5

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Stability Gain drift 85 ppm/°C Offset drift 180 pV/°C Number of channels 4 channels Default power-on line direction Input Input/output type LVTTL, single-ended Digital logic levels Maximum input voltage 5.2 V Output high, VOH Sourcing 100 pA 2.7 V Maximum I/O switching frequency 1 MHz 3 Accuracy is impacted for AC signals by an amount equal to 4.0/pV, where f is the signal frequency in hertz 4 Uncalibrated accuracy refers to the accuracy achieved when acquiring in raw or unscaled modes where the calibration constants stored in the module are not applied to the data.

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Physical Characteristics If you need to clean the module, wipe it with a dry towel. Tip For two-dimensional drawings and three-dimensional models of the C Series module and connectors, visit ni.com/dimensions and search by module number. Weight 145 g (5.1 oz) Power Requirements_ Power consumption from chassis Active mode 600 mW maximum Sleep mode 1 mW maximum Thermal dissipation (at 70 °C) Active mode 600 mW maximum Sleep mode 1 mW maximum Safety Voltages_ Isolation Channel-to-channel None Channel-to-earth ground None Hazardous Locations U.S. (UL) Class I, Division...

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• EN 60079-0:2012, EN 60079-15:2010 • IEC 60079-0: Ed 6, IEC 60079-15; Ed 4 • UL 60079-0; Ed 5, UL 60079-15; Ed 3 • CSA 60079-0:2011, CSA 60079-15:2012 Note For UL and other safety certifications, refer to the product label or the Online Product Certification section. Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement, control, and laboratory use: • EN 61326-1 (IEC 61326-1): Class A emissions; Industrial immunity • EN 55011 (CISPR 11): Group 1, Class A emissions • AS/NZS CISPR 11: Group 1, Class A...

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certification, search by model number or product line, and click the appropriate link in the Certification column. Shock and Vibration To meet these specifications, you must panel mount the system. Operating vibration Random (IEC 60068-2-64) 5 grms, 10 Hz to 500 Hz Operating shock (IEC 60068-2-27) 30 g, 11 ms half sine; 50 g, 3 ms half sine; Refer to the manual for the chassis you are using for more information about meeting these specifications. Operating temperature -40 °C to 70 °C Operating humidity (IEC 60068-2-78) 10% RH to 90% RH, noncondensing Storage humidity (IEC...

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Waste Electrical and Electronic Equipment (WEEE) EU Customers At the end of the product life cycle, all NI products must be disposed of according to local laws and regulations. For more information about how to recycle NI products in your region, visit ni.com/environment/weee. 电子信息产品污染控制管理办法（中国 RoHS）中国客户 National Instruments 符合中国电子信息产品中限制使用某些有害物质指令(RoHS)。关于 National Instruments 中国 RoHS 合规性信息，请登录 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.) Calibration You can obtain the calibration certificate and information about...

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