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National Instruments NI cDAQ-9172 NI 9910 DIN-Rail Kit, NI 9905 Panel Mount Kit

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© National Instruments Corporation 13 NI cDAQ-9172 User Guide and Specifications

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 centered on the DIN-Rail.

Caution Remove the I/O modules before removing the chassis from the DIN-Rail.

Figure 4. DIN-Rail Installation on the NI cDAQ-9172

NI 9905 Panel Mount Kit

To mount the chassis on a panel, align the chassis on the panel mount

accessory. Attach the chassis to the panel mount kit using two M4×17

screws (as shown in Figure 5). National Instruments provides these screws

with the panel mount kit. You must use these screws because they are the

correct depth and thread for the panel. These slots in the panel mount kit

Contents

Main USER GUIDE AND SPECIFICATIONS NI cDAQ-9172 DeutschFranais ni.com/manuals Contents Page Page Introduction Safety Guidelines Safety Guidelines for Hazardous Voltages Related Documentation Page Page Device Documentation and Specifications Training Courses Technical Support on the Web Installing the Software National Instruments Corporation 11 NI cDAQ-9172 User Guide and Specifications Installing the NI cDAQ-9172 Figure 2 shows the dimensions of the NI cDAQ-9172 chassis. Figure 2. NI cDAQ-9172 with Dimensions in Millimeters (Inches) Mounting the NI cDAQ-9172 NI 9901 Desktop Mounting Kit NI 9910 DIN-Rail Kit NI 9905 Panel Mount Kit Page Setting Up the NI cDAQ-9172 Page Understanding LED Indications Active LED Ready LED Using the NI cDAQ-9172 C Series I/O Modules Correlated vs. Static DIO Modules cDAQ Module Interface USB-STC2 AI and AO Sample Timing Triggering Modes Analog Input Analog Input Triggering AI Start Trigger Signal Routing AI Start Trigger to an Output Terminal AI Reference Trigger Signal Routing AI Reference Trigger Signal to an Output Terminal AI Pause Trigger Signal Analog Input Timing Signals AI Sample Clock Routing AI Sample Clock to an Output Terminal AI Sample Clock Timebase Convert Behavior For Analog Input Modules Scanned Simultaneous Sample-and-Hold Sigma-Delta Slow Sample Rate Modules Getting Started with AI Applications in Software Analog Output Analog Output Data Generation Methods Software-Timed Generations Hardware-Timed Generations Buffered Analog Output Analog Output Triggering Analog Output Timing Signals AO Sample Clock Routing AO Sample Clock to an Output Terminal AO Sample Clock Timebase Signal AO Start Trigger Signal Routing AO Start Trigger Signal to an Output Terminal AO Pause Trigger Signal Minimizing Glitches on the Output Signal Getting Started with AO Applications in Software Digital I/O Correlated vs. Static DIO Modules Static DIO Digital Waveform Acquisition (Correlated Input) DI Sample Clock Signal Using an Internal Source Using an External Source Digital Waveform Generation (Correlated Output) Buffered Digital Waveform Generation Change Detection Event Routing Change Detection Event to an Output Term ina l Change Detection Acquisition Digital Input/Output Configuration for NI 9401 PFI Counters Figure 15. NI cDAQ-9172 Counters Counter Input Applications Counting Edges Single-Point (On-Demand) Edge Counting Buffered (Sample Clock) Edge Counting Controlling the Direction of Counting Pulse-Width Measurement Single Pulse-Width Measurement Buffered Pulse-Width Measurement Period Measurement Single Period Measurement Buffered Period Measurement Semi-Period Measurement Single Semi-Period Measurement Buffered Semi-Period Measurement Frequency Measurement Method 1Measure Low Frequency With One Counter Method 1bMeasure Low Frequency With One Counter (Averaged) Method 2Measure High Frequency With Two Counters Method 3Measure Large Range of Frequencies Using TwoCounters Page Choosing a Method for Measuring Frequency Position Measurement Measurements Using Quadrature Encoders X1 Encoding X2 Encoding X4 Encoding Channel Z Behavior Measurements Using Two Pulse Encoders Two-Signal Edge-Separation Measurement Single Two-Signal Edge-Separation Measurement Buffered Two-Signal Edge-Separation Measurement Counter Output Applications Simple Pulse Generation Single Pulse Generation with Start Trigger Retriggerable Single Pulse Generation Pulse Train Generation Continuous Pulse Train Generation Frequency Generation Using the Frequency Generator Frequency Division Counter Timing Signals Counter n Source Signal Routing a Signal to Counter n Source Routing Counter n Source to an Output Terminal Counter n Gate Signal Routing a Signal to Counter n Gate Routing Counter n Gate to an Output Terminal Counter n Aux Signal Routing a Signal to Counter n Aux Counter n A, Counter n B, and Counter n Z Signals Routing Signals to A, B, and Z Counter Inputs Routing Counter n Z Signal to an Output Terminal Counter n Up_Down Signal Counter n HW Arm Signal Counter n Internal Output and Counter n TC Signals Routing Counter n Internal Output to an Output Terminal Frequency Output Signal Routing Frequency Output to a Terminal Default Counter/Timer Routing Counter Triggering Other Counter Features Cascading Counters Counter Filters Prescaling Duplicate Count Prevention Example Application That Works Correctly (No Duplicate Counting) Example Application That Works Incorrectly (Duplicate Counting) Example Application That Prevents Duplicate Count When To Use Duplicate Count Prevention Enabling Duplicate Count Prevention in NI-DAQmx Synchronization Modes 80 MHz Source Mode Other Internal Source Mode External Source Mode Digital Routing and Clock Generation Clock Routing 80 MHz Timebase 20 MHz Timebase 100 kHz Timebase Specifications Analog Input Analog Output Digital Waveform Characteristics (Slots 1 through 4 Only)1 PFI Characteristics (Slots 5 and 6 Only) General-Purpose Counter/Timers (Slots 5 and 6 Only)1 Frequency Generator (Slots 5 and 6 Only) External Digital Triggers (Slots 5 and 6 or with Some AI Modules) Module I/O States Power Requirements Bus Interface Physical Characteristics Safety Environmental Shock and Vibration Electromagnetic Compatibility CE Compliance RoHS Where to Go for Support