NI 9474 Datasheet - National Instruments

1 DATASHEETNI 94748 DO, 5 V to 30 V, Sourcing, 1 s Screw-terminal or spring-terminal connectivity CompactDAQ counter compatibility 250 Vrms, CAT II, channel-to-earth isolationThe NI 9474 is a digital output module for CompactDAQ and CompactRIO systems. Eachchannel is compatible with 5 V to 30 V signals and features 2,300 Vrms of transientovervoltage protection between the output channels and the backplane. Each channel also hasan LED that indicates the state of that channel. With the NI 9474, you can connect directly to avariety of industrial devices such as motors, actuators, and are two connector options for the NI 9474 a 10-position screw-terminal connector or a10-position spring-terminal ContentsRequiredAccessories NI 9474 NI 9474 Getting Started Guide NI 9927 Backshell Connector Kit (screw terminal) NI 9981 Backshell Connector Kit (spring terminal)Screw-Terminal, 25-Pin DSUB, Spring-Terminal750 mA/ch100 s830 VSourcingOutputNI 9472 Screw-Terminal,Spring-Terminal1 A/ch1 s830 VSourcingOutputNI 947425-Pin DSUB1 A/ch1 s860 VSourcingOutputNI 9475250 mA/ch500 s3236 VSourcingOutputNI 94761 A/ch(20 A/module)

2 8 s32 SinkingOutputNI A/ch7 s16 SinkingOutputNI 947837-Pin DSUB37-Pin DSUB37-Pin DSUB60 V60 VConnectivityContinuous UpdateChannelsMaximumModuleProductCurren tRateOutputTypeNameScrew-Terminal,37-Pin DSUB100 mA/ch7 s1630 VDCS ourcingOutputNI 9375C SERIES DIGITAL OUTPUT MODULE COMPARISONNI C Series OverviewNI provides more than 100 C Series modules for measurement, control, and communicationapplications. C Series modules can connect to any sensor or bus and allow for high-accuracymeasurements 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 environmentalneeds Hot-swappableThe majority of C Series modules are supported in both CompactRIO and CompactDAQplatforms and you can move modules from one platform to the other with no | | NI 9474 DatasheetCompactRIOC ompactRIO combines an open-embedded architecturewith small size, extreme ruggedness, and C Seriesmodules in a platform powered by the NI LabVIEW reconfigurable I/O (RIO) architecture.

3 Each systemcontains an FPGA for custom timing, triggering, andprocessing with a wide array of available modular I/O tomeet any embedded application is a portable, rugged data acquisition platformthat integrates connectivity, data acquisition, and signalconditioning into modular I/O for directly interfacing to anysensor or signal. Using CompactDAQ with LabVIEW, youcan easily customize how you acquire, analyze, visualize,and manage your measurement Professional Development System for Windows Use advanced software tools for large project development Generate code automatically using DAQ Assistant and InstrumentI/O Assistant Use advanced measurement analysis and digital signal processing Take advantage of open connectivity with DLLs, ActiveX,and .NET objects Build DLLs, executables, and MSI installersNI LabVIEW FPGA Module Design FPGA applications for NI RIO hardware Program with the same graphical environment used for desktop andreal-time applications Execute control algorithms with loop rates up to 300 MHz Implement custom timing and triggering logic, digital protocols, andDSP algorithms Incorporate existing HDL code and third-party IP including Xilinx IPgenerator functions Purchase as part of the LabVIEW Embedded Control and MonitoringSuiteNI 9474 Datasheet | National Instruments | 3NI LabVIEW Real-Time Module Design deterministic real-time applications with LabVIEW graphical programming Download to dedicated NI or third-party hardware for reliableexecution and a wide selection of I/O Take advantage of built-in PID control, signal processing.

4 Andanalysis functions Automatically take advantage of multicore CPUs or setprocessor affinity manually Take advantage of real-time OS, development and debuggingsupport, and board support Purchase individually or as part of a LabVIEW suiteNI 9474 CircuitryCOMDONI 9474 VsupDevice+ The DO channels are internally referenced to COM. The NI 9474 has sourcing outputs. Sourcing outputs drive current from Vsup to DO whenthe channel is For more information about sourcing outputs, visit and enter theInfo Code 9474 SpecificationsThe following specifications are typical for the range -40 C to 70 C unless otherwise voltages are relative to COM unless otherwise Do not operate the NI 9474 in a manner not specified in this misuse can result in a hazard. You can compromise the safety protectionbuilt into the product if the product is damaged in any way. If the product isdamaged, return it to NI for | | NI 9474 DatasheetOutput CharacteristicsNumber of channels8 digital output channelsOutput typeSourcingPower-on output stateChannels offExternal power supply voltage range(Vsup)5 VDC to 30 VDCO utput impedance (R0) Continuous output current (I0), per A maximumOutput voltage (V0)Vsup - (I0 R0)I/O protectionVoltage30 VDC maximumReversed voltageNoneShort circuit trip time10 s at 14 ATable 1.

5 Short-circuit BehaviorCurrentChannel BehaviorModule Protection Less than 1 AChannel does not tripModule is not damaged1 A to 2 A for 100 ms maximum,repeatable after 1 s 1 Channel does not tripModule is not damaged2 A to AChannel does not tripModule may be A to 14 AChannel may tripModule may be damagedGreater than 14 AChannel tripsModule is not damaged1 One channel at a 9474 Datasheet | National Instruments | 5 Figure 1. Short-circuit BehaviorChannelCurrent100 ms1 s2 A1 A1 A2 AD0xD0y100 ms1 sTimeOutput delay time (full load)1 s maximumMTBF479,889 hours at 25 C; Bellcore Issue 2,Method 1, Case 3, Limited Part Stress MethodPower RequirementsPower consumption from chassisActive mode660 mW maximumSleep mW maximumThermal dissipation (at 70 C)Active W maximumSleep mW maximum6 | | NI 9474 DatasheetPhysical CharacteristicsIf you need to clean the module, wipe it with a dry For two-dimensional drawings and three-dimensional models of the C Seriesmodule and connectors, visit and search by module mm2 to mm2 (26 AWG to 14 AWG)copper conductor wireWire strip length13 mm ( in.)

6 Of insulation stripped fromthe endTemperature rating90 C minimumTorque for screw N m to N m( lb in. to lb in.)Wires per screw terminalOne wire per screw terminal; two wires perscrew terminal using a 2-wire mm2 to mm2 Spring-terminal mm2 to mm2 (30 AWG to 12 AWG)copper conductor wireWire strip length10 mm ( in.) of insulation stripped fromthe endTemperature rating90 C minimumWires per spring terminalOne wire per spring terminal; two wires perspring terminal using a 2-wire mm2 to mm2 Connector securementSecurement typeScrew flanges providedTorque for screw N m ( lb in.)WeightNI 9474 with screw terminal150 g ( oz)NI 9474 with spring terminal139 g ( oz)Safety VoltagesConnect only voltages that are within the following VDC maximumNI 9474 Datasheet | National Instruments | 7 IsolationChannel-to-channelNoneChannel-t o-earth groundContinuous250 Vrms, Measurement Category IIWithstand2,300 Vrms, verified by a 5 s dielectricwithstand testMeasurement Category II is for measurements performed on circuits directly connected to theelectrical distribution system.

7 This category refers to local-level electrical distribution, such asthat provided by a standard wall outlet, for example, 115 V for or 230 V for Do not connect the NI 9474 to signals or use for measurements withinMeasurement Categories III or (UL)Class I, Division 2, Groups A, B, C, D, T4;Class I, Zone 2, AEx nA IIC T4 Canada (C-UL)Class I, Division 2, Groups A, B, C, D, T4;Class I, Zone 2, Ex nA IIC T4 Europe (ATEX) and International (IECEx)Ex nA IIC T4 GcSafety and Hazardous Locations StandardsThis product is designed to meet the requirements of the following electrical equipment safetystandards for measurement, control, and laboratory use: IEC 61010-1, EN 61010-1 UL 61010-1, CSA 61010-1 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 OnlineProduct Certification | | NI 9474 DatasheetElectromagnetic CompatibilityThis product meets the requirements of the following EMC standards for electrical equipmentfor measurement, control, and laboratory use: EN 61326 EMC requirements; Minimum Immunity EN 55011 Emissions; Group 1, Class A CE, C-Tick, ICES, and FCC Part 15 Emissions; Class ANote For EMC declarations and certifications, and additional information, refer tothe Online Product Certification To ensure the specified EMC performance, operate this product only withshielded cables and Compliance This product meets the essential requirements of applicable European Directives, as follows: 2014/35/EU; Low-Voltage Directive (safety) 2014/30/EU; Electromagnetic Compatibility Directive (EMC) 94/9/EC.

8 Potentially Explosive Atmospheres (ATEX)Online Product CertificationRefer to the product Declaration of Conformity (DoC) for additional regulatory complianceinformation. To obtain product certifications and the DoC for this product, visit , search by model number or product line, and click the appropriate link in theCertification and VibrationTo meet these specifications, you must panel mount the vibrationRandom (IEC 60068-2-64)5 grms, 10 Hz to 500 HzSinusoidal (IEC 60068-2-6)5 g, 10 Hz to 500 HzOperating shock (IEC 60068-2-27)30 g, 11 ms half sine; 50 g, 3 ms half sine;18 shocks at 6 orientationsNI 9474 Datasheet | National Instruments | 9 EnvironmentalRefer to the manual for the chassis you are using for more information about meeting temperature(IEC 60068-2-1, IEC 60068-2-2)-40 C to 70 CStorage temperature(IEC 60068-2-1, IEC 60068-2-2)-40 C to 85 CIngress protectionIP40 Operating humidity (IEC 60068-2-78)10% RH to 90% RH, noncondensingStorage humidity (IEC 60068-2-78)5% RH to 95% RH, noncondensingPollution Degree2 Maximum altitude2,000 mIndoor use ManagementNI is committed to designing and manufacturing products in an environmentally responsiblemanner.

9 NI recognizes that eliminating certain hazardous substances from our products isbeneficial to the environment and to NI additional environmental information, refer to the Minimize Our Environmental Impactweb page at This page contains the environmental regulations anddirectives with which NI complies, as well as other environmental information not included inthis Electrical and Electronic Equipment (WEEE)EU Customers At the end of the product life cycle, all NI products must bedisposed of according to local laws and regulations. For more information abouthow to recycle NI products in your region, visit RoHS National Instruments (RoHS) National Instruments RoHS (For information about China RoHScompliance, go to )10 | | NI 9474 DatasheetRefer to the NI Trademarks and Logo Guidelines at for information on NI trademarks. Other product andcompany names mentioned herein are trademarks or trade names of their respective companies.

10 For patents covering NIproducts/technology, refer to the appropriate location: Help Patents in your software, the file on your media, or theNational Instruments Patent Notice at You can find information about end-user license agreements (EULAs)and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at for the NI global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and otherimport/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATIONCONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. Government Customers: The data contained inthis manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forthin FAR , DFAR , and DFAR 2015 2016 National Instruments . All rights