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USER GUIDE AND SPECIFICATIONS
NI cDAQ-9172
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ni.com/manuals
Contents
Introduction............................................................................................. 4
Safety Guidelines .................................................................................... 5
Safety Guidelines for Hazardous Voltages...................................... 5
Related Documentation........................................................................... 6
Device Documentation an
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Analog Input ............................................................................................20 Analog Input Triggering...................................................................20 AI Start Trigger Signal..............................................................21 AI Reference Trigger Signal .....................................................22 AI Pause Trigger Signal ............................................................24 Analog Input Timing Signals ............
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Counter Timing Signals ................................................................... 63 Counter n Source Signal ........................................................... 64 Counter n Gate Signal............................................................... 65 Counter n Aux Signal ............................................................... 65 Counter n A, Counter n B, and Counter n Z Signals ................ 66 Counter n Up_Down Signal ................................................
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Introduction This user guide describes how to use the National Instruments cDAQ-9172 chassis and lists specifications. For an interactive demonstration of how to install the NI cDAQ-9172, go to ni.com/info and enter daqinstall. The 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 2.0 interface. For module specifications, refer
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Safety Guidelines Operate the NI cDAQ-9172 chassis only as described in this user guide. Note Because 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. Refer to the Using the NI cDAQ-9172 section of this document for more details. Caution The NI cDAQ-9172 chassis is not certified for use in hazardous locations. Hot Surface This icon denotes that the component may be
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Related Documentation Each application software package and driver includes information about writing applications for taking measurements and controlling measurement devices. Check ni.com/manuals 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 8.8 or later, and where applicable, version 7.1 or later of the NI application software.
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Table 1. NI Driver and Application Software Documentation (Continued) Software Document/Description Location/Topic LabVIEW Getting Started with Start»All Programs» LabVIEW—describes the National Instruments» LabVIEW graphical LabVIEW»LabVIEW Manuals or programming environment navigate to the labview\manuals and the basic LabVIEW directory and opening features you use to build LV_Getting_Started.pdf data acquisition and instrument control application. LabVIEW Help—provides Help»Search the L
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Table 1. NI Driver and Application Software Documentation (Continued) Software Document/Description Location/Topic ™ ™ LabWindows /CVI LabWindows/CVI Help Help»Contents, then select Using Data Acquisition LabWindows/CVI» book—contains Data Acquisition»Taking an NI-DAQmx measurement NI-DAQmx Measurement in concepts and step-by-step LabWindows/CVI instructions about creating a measurement task using the DAQ Assistant. LabWindows/CVI Help LibraryReference» NI-DAQmx Library NI-DAQmx Library bo
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Table 1. NI Driver and Application Software Documentation (Continued) Software Document/Description Location/Topic .NET Languages without NI-DAQmx .NET Start»All Programs» * NI Application Software Help—contains conceptual National Instruments» topics for using NI-DAQmx NI-DAQ»NI-DAQmx .NET with Visual C# and Visual Reference Help. Expand Basic .NET. NI Measurement Studio Help» NI Measurement Studio .NET Class Library»Reference to view the function reference. Expand NI Measurement Studio H
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Installing the Software Installing NI-DAQmx The DAQ Getting Started Guide, which you can download at ni.com/ manuals, offers NI-DAQmx users step-by-step instructions for installing software and hardware, configuring channels and tasks, and getting started developing an application. Installing Other Software If you are using other software, refer to the installation instructions that accompany your software. NI cDAQ-9172 User Guide and Specifications 10 ni.com
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Installing the NI cDAQ-9172 Figure 2 shows the dimensions of the NI cDAQ-9172 chassis. 19.0 mm 165.1 mm (6.50 in.) (0.75 in.) 36.4 mm NI cDAQ-9172 (1.43 in.) 88.1 mm ON Ready (3.50 in.) 1 2 3 4 5 6 7 8 Active OFF 59.6 mm 51.7 mm (2.35 in.) (2.04 in.) 11-30 VDC 15 W 4.10 mm 254.0 mm (0.16 in.) (10.00 in.) 23.7 mm (0.94 in.) 44.1 mm (1.74 in.) 20.3 mm (0.80 in.) 25.0 mm (0.98 in.) 53.8 mm 44.1 mm (2.12 in.) (1.74 in.) 63.1 mm 46.0 mm (2.49 in.) (1.81 in.) 24.8 mm (0.98 in.) 58.9 mm (2.32 in.
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Mounting the NI cDAQ-9172 You can mount the NI cDAQ-9172 chassis using a desktop, a 35 mm DIN-Rail, or a panel mount accessory kit. For accessory ordering information, refer to ni.com. Caution Your installation must meet the following requirements: � Allows 25.4 mm (1 in.) of clearance above and below the NI cDAQ-9172 chassis for air circulation. � Allows at least 50.8 mm (2 in.) of clearance in front of the modules for common connector cabling such as the 10-terminal detachable screw termin
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NI 9910 DIN-Rail Kit The NI 9910 DIN-Rail Kit contains one clip for mounting the chassis on a standard 35 mm DIN-Rail. To mount the chassis on a DIN-Rail, fasten the DIN-Rail clip to the chassis using a number 2 Phillips screwdriver and two M4 × 17 screws. The screws are included in the DIN-Rail kit. Make sure the DIN-Rail kit is installed as illustrated in Figure 4, with the larger lip of the DIN-RAIL positioned up. When the DIN-Rail kit is properly installed, the NI cDAQ-9172 chassis is
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can be used with M4, M5, No. 8, or No.10 panhead screws. Figure 5 illustrates the panel dimensions and installation on the NI cDAQ-9172 chassis. Refer to the documentation included with the NI 9905 Panel Mount Kit for more detailed dimensions. 330.2 mm (13.00 in.) NATIONAL INSTRUMENTS NI cDAQ-9172 ON Ready 88.1 mm 1 2 3 4 5 6 7 8 Active OFF (3.47 in.) 11-30 VDC 15 W 48.1 mm 28.1 mm (1.90 in.) (1.11 in.) Figure 5. Panel Mount Dimensions and Installation on the NI cDAQ-9172 NI cDAQ-9172 User
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Setting Up the NI cDAQ-9172 Complete the following steps to prepare the NI cDAQ-9172 chassis for use: 1. Before connecting the hardware, install the NI-DAQmx software. Refer to the DAQ Getting Started Guide for more information about software installation. Note The NI-DAQmx software is included on the CD shipped with your kit and is available for download at ni.com/support. The DAQ Getting Started Guide is available after installation from Start»All Programs»National Instruments»NI-DAQ»DAQ
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6. Squeeze both C Series I/O module latches, insert the I/O module into the module slot, and press until both latches lock the module in place. 7. Connect the NI cDAQ-9172 chassis with the supplied USB cable to any available USB port on your computer. 8. Connect the power source to the NI cDAQ-9172 chassis. The NI cDAQ-9172 chassis requires an external power supply that meets the specifications in the Power Requirements section. Note The NI cDAQ-9172 chassis uses a DC input jack with a lock
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13. Check that your device appears under Devices and Interfaces. If your device does not appear, press to refresh the view in MAX. If your device is still not recognized, refer to ni.com/support/install for troubleshooting information. 14. Right-click your device and select Self-Test. If you need help during the self-test, select Help»Help Topics» NI-DAQmx and click MAX Help for NI-DAQmx. When the self-test finishes, a message indicates successful verification or an error. If an error
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Using the NI cDAQ-9172 The cDAQ system consists of three parts: C Series I/O modules, the cDAQ module interface, and the USB-STC2. These components digitize signals, perform D/A conversions to generate analog output signals, measure and control digital I/O signals, and provide signal conditioning. C Series I/O Module cDAQ Module USB- USB Interface STC2 2.0 C Series I/O Module C Series I/O Module Figure 8. NI cDAQ-9172 Block Diagram C Series I/O Modules National Instruments C Series I
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To access this KnowledgeBase, go toni.com/info and enter the info code rdcdaq. Correlated vs. Static DIO Modules Digital I/O module capabilities are determined by the type of digital signals that the module is capable of measuring or generating. Static digital I/O modules are designed for signals that change slowly and are accessed by software-timed reads and writes. Correlated digital I/O modules are for signals that change rapidly and are updated by either software-timed or hardware-time
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PFI Signals The PFI signals, available through correlated digital input and output modules installed in slots 5 and/or 6, provide access to advanced features such as triggering, synchronization, and counter/timers. Refer to the PFI section for more information. The PFI pins have a digital filter circuit at the inputs that is configurable on a per-line basis. The filters allow the rejection of noise caused by noisy environments, bounces on switches, and so on. Flexible Counter/Timers The NI
