NI cDAQ-9172 User Guide and Specifications - …

1 user Guide AND SPECIFICATIONSNI cDAQ-9172 ContentsIntroduction .. 4 Safety Guidelines .. 5 Safety Guidelines for Hazardous Voltages .. 5 Related 6 Device Documentation and Specifications .. 9 Training 9 Technical Support on the 9 Installing the Software .. 10 Installing NI-DAQmx .. 10 Installing Other Software .. 10 Installing the NI 11 Mounting the NI 12NI 9901 Desktop Mounting Kit .. 12NI 9910 DIN-Rail Kit .. 13NI 9905 Panel Mount Kit .. 13 Setting Up the NI 15 Understanding LED 17 Active LED .. 17 Ready LED .. 17 Using the NI cDAQ-9172 .. 18C Series I/O 18 Correlated vs. Static DIO 19cDAQ Module Interface .. 19 USB-STC2 .. 19AI and AO Sample 19 Triggering Modes .. 19 Independent Data Streams .. 19 PFI 20 Flexible Counter/Timers .. aisNI cDAQ-9172 user Guide and Input ..20 Analog Input Start Trigger Signal.

2 21AI Reference Trigger Signal ..22AI Pause Trigger Signal ..24 Analog Input Timing Signals ..24AI Sample Clock ..24AI Sample Clock Behavior For Analog Input Started with AI Applications in Software ..28 Analog Output ..28 Analog Output Data Generation Methods ..28 Software-Timed Generations ..29 Hardware-Timed Generations ..29 Analog Output Triggering ..30 Analog Output Timing Sample Start Trigger Signal ..31AO Pause Trigger Glitches on the Output Started with AO Applications in Software ..34 Digital I/O ..35 Correlated vs. Static DIO Modules ..35 Static DIO ..36 Digital Waveform Acquisition (Correlated Input) ..36DI Sample Clock Signal ..36 Digital Waveform Generation (Correlated Output) ..37 Buffered Digital Waveform Detection Event ..39 Routing Change Detection Event to an Output Terminal.

3 39 Change Detection Input/Output Configuration for NI 9401 ..39 PFI ..40 Counters ..40 Counter Input Applications ..42 Counting Edges ..42 Pulse-Width Measurement ..44 Period Measurement ..48 Frequency Measurement ..49 Position Measurement ..54 Two-Signal Edge-Separation Output Pulse Generation ..59 Pulse Train Generation ..62 Frequency Division ..63 national instruments Corporation3NI cDAQ-9172 user Guide and SpecificationsCounter Timing Signals .. 63 Counter n Source Signal .. 64 Counter n Gate 65 Counter n Aux Signal .. 65 Counter n A, Counter n B, and Counter n Z Signals .. 66 Counter n Up_Down Signal .. 66 Counter n HW Arm Signal .. 66 Counter n Internal Output and Counter n TC Signals .. 67 Frequency Output Signal .. 67 Default Counter/Timer 68 Counter Triggering .. 68 Other Counter Features.

4 69 Cascading Counters .. 69 Counter Filters .. 70 Duplicate Count 71 Synchronization Modes .. 73 Digital Routing and Clock 75 Clock Routing .. 7680 MHz Timebase .. 7620 MHz Timebase .. 76100 kHz Timebase .. 76 Specifications .. 77 Analog Input .. 77 Analog 77 Digital Waveform Characteristics (Slots 1 through 4 Only) .. 78 PFI Characteristics (Slots 5 and 6 Only) .. 78 General-Purpose Counter/Timers (Slots 5 and 6 Only).. 79 Frequency Generator (Slots 5 and 6 Only) .. 80 External Digital Triggers (Slots 5 and 6 or with Some AI Modules) .. 80 Module I/O States .. 80 Power Requirements .. 80 Bus Interface .. 81 Physical Characteristics .. 81 Safety .. 82 Shock and Vibration .. 82 Electromagnetic Compatibility .. 83CE Compliance .. 83 Environmental 83 Where to Go for 84NI cDAQ-9172 user Guide and user Guide describes how to use the national instruments cDAQ-9172 chassis and lists Specifications .

5 For an interactive demonstration of how to install the NI cDAQ-9172 , go to and enter NI cDAQ-9172 is an eight-slot USB chassis designed for use with C Series I/O modules. The NI cDAQ-9172 chassis is capable of measuring a broad range of analog and digital I/O signals and sensors using a Hi-Speed USB interface. For module Specifications , refer to the documentation included with your C Series I/O module(s) or go to Figure 1. NI cDAQ-9172 Chassis1 Power Switch2 Ready/Active LEDs3 Power Connector4 USB Connector5 Empty Module Slots6 Installed C Series I/O Modules7 Screw for Ground ConnectionNI cDAQ-9172 ReadyActive11-30 VDC15 WOFFON123451234567 national instruments Corporation5NI cDAQ-9172 user Guide and SpecificationsSafety GuidelinesOperate the NI cDAQ-9172 chassis only as described in this user some C Series I/O modules may have more stringent certification standards than the NI cDAQ-9172 chassis , the combined system may be limited by individual component restrictions.

6 Refer to the Using the NI cDAQ-9172 section of this document for more NI cDAQ-9172 chassis is not certified for use in hazardous SurfaceThis icon denotes that the component may be hot. Touching this component may result in bodily Guidelines for Hazardous VoltagesIf hazardous voltages are connected to the module, take the following precautions. A hazardous voltage is a voltage greater than Vpk or 60 VDC to earth that hazardous voltage wiring is performed only by qualified personnel adhering to local electrical not mix hazardous voltage circuits and human-accessible circuits on the same sure that chassis and circuits connected to the module are properly insulated from human NI cDAQ-9172 chassis provides no isolation, but some modules offer isolation. Follow the safety guidelines for each module when using hazardous cDAQ-9172 user Guide and DocumentationEach application software package and driver includes information about writing applications for taking measurements and controlling measurement devices.

7 Check for the most recent hardware documentation, and refer to Table 1 for a list of locations for driver and application software documentation. The following document location references assume you have NI-DAQmx or later, and where applicable, version or later of the NI application 1. NI Driver and Application Software DocumentationSoftwareDocument/Descriptio nLocation/TopicNI-DAQmx for WindowsDAQ Getting Started Guide describes how to install and use the NI-DAQmx driver software for Windows and your data acquisition (DAQ) device, how to confirm the device is operating properly, and how to take an NI-DAQmx Programs national instruments NI-DAQ DAQ Getting Started GuideNI-DAQ Readme includes information about NI-DAQmx and Traditional NI-DAQ (Legacy). Describes how to choose the API to use, new features, and a list of known issues, supported devices, and devices not supported.

8 Also provides details about system Programs national instruments NI-DAQ NI-DAQ ReadmeNI-DAQmx Help explains how to get started in your OS and ADE; provides an NI-DAQmx overview; includes information about programming the most common measurement tasks with references to examples in CVI/C, C++, . Programs national instruments NI-DAQ NI-DAQmx Help national instruments Corporation7NI cDAQ-9172 user Guide and SpecificationsLabVIEWG etting Started with LabVIEW describes the LabVIEW graphical programming environment and the basic LabVIEW features you use to build data acquisition and instrument control All Programs national instruments LabVIEW LabVIEW Manuals or navigate to the labview\manuals directory and opening Help provides information about LabVIEW programming concepts, step-by-step instructions for using LabVIEW, and reference information about LabVIEW VIs, functions, palettes, menus, and Search the LabVIEW HelpLabVIEW Help Topics Specific to NI-DAQmxIncludes overview information and a tutorial to learn how to take an NI-DAQmx measurement in LabVIEW using the DAQ the Contents tab.

9 Getting Started Getting Started with DAQD escribes the LabVIEW NI-DAQmx VIs and the Contents tab, VI and Function Reference Measurement I/O VIs and FunctionsContains the conceptual and how-to information you need to acquire and analyze measurement data in LabVIEW, including common measurements, measurement fundamentals, NI-DAQmx key concepts, and device the Contents tab, Taking MeasurementsTable 1. NI Driver and Application Software Documentation (Continued)SoftwareDocument/DescriptionL ocation/TopicNI cDAQ-9172 user Guide and /CVI LabWindows/CVI HelpData Acquisition book contains NI-DAQmx measurement concepts and step-by-step instructions about creating a measurement task using the DAQ Contents, then select Using LabWindows/CVI Data Acquisition Taking an NI-DAQmx Measurement in LabWindows/CVILabWindows/CVI HelpNI-DAQmx Library book contains NI-DAQmx API overviews and function NI-DAQmx LibraryMeasurement Studio/Microsoft Visual Studio.

10 NETM icrosoft Visual Studio .NET Help/NI Measurement Studio Help contains NI-DAQmx methods and Studio NI Measurement Studio Help and select NI-DAQmx .NET Class Library or NI-DAQmx Visual C++ Class LibraryANSI C without NI Application SoftwareNI-DAQmx HelpStart All Programs national instruments NI-DAQ NI-DAQmx HelpNI-DAQmx C Reference Help describes the NI-DAQmx Library All Programs national instruments NI-DAQ NI-DAQmx C Reference HelpTable 1. NI Driver and Application Software Documentation (Continued)SoftwareDocument/DescriptionL ocation/Topic national instruments Corporation9NI cDAQ-9172 user Guide and SpecificationsDevice Documentation and SpecificationsCheck for the most recent device and software documentation. If you do not have Web access, NI-DAQmx includes a Documentation CD that includes documentation available when NI-DAQmx CoursesIf you need more help getting started developing an application with NI products, NI offers training courses.