National Instruments 6320, 6321, 6341, 6323, 6343 User Manual

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DAQ X Series

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X Series User Manual

NI 632x/634x/635x/636x/637x/638x/639x Devices

X Series User Manual

May 2019 370784K-01

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Chapter 1 Getting Started

Safety Guidelines.............................................................................................................. 1-1

Electromagnetic Compatibility Guidelines ...................................................................... 1-2

Hardware Symbol Definitions .......................................................................................... 1-2

Installation ........................................................................................................................ 1-3

Unpacking......................................................................................................................... 1-3

Device Self-Calibration .................................................................................................... 1-4

Getting Started with X Series USB Devices .................................................................... 1-5

USB Device Chassis Ground.................................................................................... 1-5

Ferrite Installation..................................................................................................... 1-6

Mounting NI USB X Series Devices........................................................................ 1-7

Panel/Wall Mounting........................................................................................ 1-7

DIN Rail Mounting........................................................................................... 1-8

USB Device LEDs.................................................................................................... 1-9

USB Cable Strain Relief........................................................................................... 1-9

USB Device Security Cable Slot .............................................................................. 1-10

Device Pinouts..................................................................................................................1-10

Device Specifications ....................................................................................................... 1-10

Device Accessories and Cables ........................................................................................ 1-10

Chapter 2 DAQ System Overview

DAQ Hardware................................................................................................................. 2-2

DAQ-STC3............................................................................................................... 2-2

Calibration Circuitry................................................................................................. 2-3

Cables and Accessories .................................................................................................... 2-3

PCI Express, PXI Express, and USB Mass Termination Device Cables

and Accessories ..................................................................................................... 2-4

SCXI Accessories ............................................................................................. 2-4

SCC Accessories............................................................................................... 2-4

BNC Accessories .............................................................................................. 2-5

Screw Terminal Accessories ............................................................................ 2-6

RTSI Cables...................................................................................................... 2-6

Cables ............................................................................................................... 2-6

Custom Cabling and Connectivity.................................................................... 2-7

USB Device Accessories, USB Cable, Power Supply, and Ferrite.................. 2-7

Contents

Signal Conditioning ..........................................................................................................2-8

Sensors and Transducers...........................................................................................2-8

Signal Conditioning Options .................................................................................... 2-9

SCXI ................................................................................................................. 2-9

SCC...................................................................................................................2-9

Programming Devices in Software ................................................................................... 2-10

Chapter 3 Connector and LED Information

I/O Connector Signal Descriptions ................................................................................... 3-2

+5 V Power Source ...........................................................................................................3-5

USER 1 and USER 2 ........................................................................................................ 3-5

PCI Express Device Disk Drive Power Connector ........................................................... 3-6

When to Use the Disk Drive Power Connector ........................................................3-6

Disk Drive Power Connector Installation.................................................................3-6

RTSI Connector Pinout.....................................................................................................3-7

USB Device LED Patterns................................................................................................3-7

Chapter 4 Analog Input

Analog Input on MIO X Series Devices........................................................................... 4-1

Analog Input Range .................................................................................................. 4-2

Working Voltage Range ...........................................................................................4-3

Analog Input Ground-Reference Settings................................................................. 4-4

Configuring AI Ground-Reference Settings in Software .................................4-6

Multichannel Scanning Considerations .................................................................... 4-6

Analog Input Data Acquisition Methods .................................................................. 4-9

Software-Timed Acquisitions ........................................................................... 4-9

Hardware-Timed Acquisitions.......................................................................... 4-9

Analog Input Triggering ...........................................................................................4-10

Connecting Analog Input Signals ............................................................................. 4-10

Connecting Floating Signal Sources .........................................................................4-12

What Are Floating Signal Sources?.................................................................. 4-12

When to Use Differential Connections with Floating Signal Sources.............. 4-12

When to Use Non-Referenced Single-Ended (NRSE) Connections

with Floating Signal Sources .........................................................................4-12

When to Use Referenced Single-Ended (RSE) Connections

with Floating Signal Sources .........................................................................4-13

Using Differential Connections for Floating Signal Sources ........................... 4-13

Using Non-Referenced Single-Ended (NRSE) Connections

for Floating Signal Sources ...........................................................................4-16

Using Referenced Single-Ended (RSE) Connections

for Floating Signal Sources ...........................................................................4-17

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Connecting Ground-Referenced Signal Sources ...................................................... 4-17

What Are Ground-Referenced Signal Sources? ............................................... 4-17

When to Use Differential Connections with Ground-Referenced

Signal Sources ............................................................................................... 4-18

When to Use Non-Referenced Single-Ended (NRSE) Connections with

Ground-Referenced Signal Sources .............................................................. 4-18

When to Use Referenced Single-Ended (RSE) Connections with

Ground-Referenced Signal Sources .............................................................. 4-19

Using Differential Connections for Ground-Referenced Signal Sources......... 4-19

Using Non-Referenced Single-Ended (NRSE) Connections for

Ground-Referenced Signal Sources .............................................................. 4-20

Field Wiring Considerations..................................................................................... 4-21

Analog Input Timing Signals ................................................................................... 4-22

Aggregate versus Single Channel Sample Rates.............................................. 4-24

AI Sample Clock Signal ................................................................................... 4-24

AI Sample Clock Timebase Signal................................................................... 4-26

AI Convert Clock Signal .................................................................................. 4-27

AI Convert Clock Timebase Signal.................................................................. 4-30

AI Hold Complete Event Signal ....................................................................... 4-30

AI Start Trigger Signal ..................................................................................... 4-30

AI Reference Trigger Signal............................................................................. 4-32

AI Pause Trigger Signal ................................................................................... 4-34

Getting Started with AI Applications in Software.................................................... 4-35

Analog Input on Simultaneous MIO X Series Devices .................................................... 4-36

Analog Input Terminal Configuration...................................................................... 4-37

Analog Input Range.................................................................................................. 4-37

Working Voltage Range ........................................................................................... 4-38

Analog Input Data Acquisition Methods.................................................................. 4-38

Analog Input Triggering........................................................................................... 4-40

Connecting Analog Input Signals............................................................................. 4-41

Types of Signal Sources ................................................................................... 4-41

Differential Connections for Ground-Referenced Signal Sources ................... 4-42

Differential Connections for Floating Signal Sources...................................... 4-43

Unused Channels ...................................................................................................... 4-44

Field Wiring Considerations..................................................................................... 4-44

Minimizing Drift in Differential Mode ............................................................ 4-45

Analog Input Timing Signals ................................................................................... 4-45

Aggregate versus Single Channel Sample Rates.............................................. 4-47

AI Sample Clock Signal ................................................................................... 4-48

AI Sample Clock Timebase Signal................................................................... 4-49

AI Hold Complete Event Signal ....................................................................... 4-50

AI Start Trigger Signal ..................................................................................... 4-50

AI Reference Trigger Signal............................................................................. 4-53

AI Pause Trigger Signal ................................................................................... 4-54

Getting Started with AI Applications in Software.................................................... 4-56

Contents

Chapter 5 Analog Output

AO Reference Selection.................................................................................................... 5-2

Minimizing Glitches on the Output Signal .......................................................................5-2

Analog Output Data Generation Methods ........................................................................5-3

Software-Timed Generations .................................................................................... 5-3

Hardware-Timed Generations................................................................................... 5-3

Analog Output Triggering ................................................................................................ 5-4

Connecting Analog Output Signals .................................................................................. 5-5

Analog Output Timing Signals ......................................................................................... 5-5

AO Start Trigger Signal ............................................................................................ 5-6

Retriggerable Analog Output............................................................................ 5-6

Using a Digital Source ...................................................................................... 5-6

Using an Analog Source ...................................................................................5-7

Routing AO Start Trigger Signal to an Output Terminal ................................. 5-7

AO Pause Trigger Signal ..........................................................................................5-7

Using a Digital Source ...................................................................................... 5-8

Using an Analog Source ...................................................................................5-8

Routing AO Pause Trigger Signal to an Output Terminal................................ 5-8

AO Sample Clock Signal .......................................................................................... 5-8

Using an Internal Source................................................................................... 5-8

Using an External Source ................................................................................. 5-9

Routing AO Sample Clock Signal to an Output Terminal ...............................5-9

Other Timing Requirements .............................................................................5-9

AO Sample Clock Timebase Signal .........................................................................5-10

Getting Started with AO Applications in Software ..........................................................5-11

Chapter 6 Digital I/O

Digital Input Data Acquisition Methods...........................................................................6-2

Software-Timed Acquisitions ................................................................................... 6-2

Hardware-Timed Acquisitions..................................................................................6-2

Digital Input Triggering....................................................................................................6-3

Digital Waveform Acquisition..........................................................................................6-4

DI Sample Clock Signal ........................................................................................... 6-4

Using an Internal Source................................................................................... 6-5

Using an External Source ................................................................................. 6-5

Routing DI Sample Clock to an Output Terminal ............................................ 6-5

Other Timing Requirements .............................................................................6-5

DI Sample Clock Timebase Signal ........................................................................... 6-6

DI Start Trigger Signal ............................................................................................. 6-7

Retriggerable DI ............................................................................................... 6-7

Using a Digital Source ...................................................................................... 6-7

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Using an Analog Source ................................................................................... 6-8

Routing DI Start Trigger to an Output Terminal .............................................. 6-8

DI Reference Trigger Signal..................................................................................... 6-8

Using a Digital Source...................................................................................... 6-9

Using an Analog Source ................................................................................... 6-9

Routing DI Reference Trigger Signal to an Output Terminal .......................... 6-9

DI Pause Trigger Signal ........................................................................................... 6-10

Using a Digital Source...................................................................................... 6-10

Using an Analog Source ................................................................................... 6-10

Routing DI Pause Trigger Signal to an Output Terminal................................. 6-11

Digital Output Data Generation Methods ......................................................................... 6-11

Software-Timed Generations.................................................................................... 6-11

Hardware-Timed Generations .................................................................................. 6-11

Digital Output Triggering ................................................................................................. 6-12

Digital Waveform Generation .......................................................................................... 6-13

DO Sample Clock Signal.......................................................................................... 6-13

Using an Internal Source .................................................................................. 6-13

Using an External Source ................................................................................. 6-14

Routing DO Sample Clock to an Output Terminal .......................................... 6-14

Other Timing Requirements ............................................................................. 6-14

DO Sample Clock Timebase Signal ......................................................................... 6-15

DO Start Trigger Signal............................................................................................ 6-15

Retriggerable DO.............................................................................................. 6-15

Using a Digital Source...................................................................................... 6-16

Using an Analog Source ................................................................................... 6-16

Routing DO Start Trigger Signal to an Output Terminal ................................. 6-16

DO Pause Trigger Signal .......................................................................................... 6-16

Using a Digital Source...................................................................................... 6-17

Using an Analog Source ................................................................................... 6-18

Routing DO Pause Trigger Signal to an Output Terminal ............................... 6-18

I/O Protection ................................................................................................................... 6-18

Programmable Power-Up States....................................................................................... 6-18

DI Change Detection ........................................................................................................ 6-19

DI Change Detection Applications ........................................................................... 6-20

Digital Filtering ................................................................................................................ 6-20

Watchdog Timer ....................................................................................................... 6-23

Connecting Digital I/O Signals......................................................................................... 6-24

Getting Started with DIO Applications in Software......................................................... 6-25

Contents

Chapter 7 Counters

Counter Timing Engine .................................................................................................... 7-2

Counter Input Applications............................................................................................... 7-3

Counting Edges......................................................................................................... 7-3

Single Point (On-Demand) Edge Counting ......................................................7-4

Buffered (Sample Clock) Edge Counting ......................................................... 7-4

Controlling the Direction of Counting..............................................................7-5

Pulse-Width Measurement........................................................................................7-5

Single Pulse-Width Measurement ....................................................................7-6

Implicit Buffered Pulse-Width Measurement ................................................... 7-6

Sample Clocked Buffered Pulse-Width Measurement ..................................... 7-7

Hardware-Timed Single Point Pulse-Width Measurement ..............................7-7

Pulse Measurement ...................................................................................................7-8

Single Pulse Measurement ................................................................................ 7-8

Implicit Buffered Pulse Measurement ..............................................................7-8

Sample Clocked Buffered Pulse Measurement ................................................ 7-9

Hardware-Timed Single Point Pulse Measurement .......................................... 7-9

Pulse versus Semi-Period Measurements ......................................................... 7-10

Semi-Period Measurement........................................................................................7-10

Single Semi-Period Measurement ....................................................................7-11

Implicit Buffered Semi-Period Measurement ................................................... 7-11

Frequency Measurement...........................................................................................7-11

Low Frequency with One Counter.................................................................... 7-12

High Frequency with Two Counters................................................................. 7-12

Large Range of Frequencies with Two Counters .............................................7-13

Sample Clocked Buffered Frequency Measurement ........................................7-14

Hardware-Timed Single Point Frequency Measurement.................................. 7-16

Choosing a Method for Measuring Frequency ................................................. 7-16

Period Measurement ................................................................................................. 7-20

Position Measurement...............................................................................................7-21

Measurements Using Quadrature Encoders...................................................... 7-21

Measurements Using Two Pulse Encoders....................................................... 7-23

Buffered (Sample Clock) Position Measurement ............................................. 7-23

Hardware-Timed Single Point Position Measurement .....................................7-24

Two-Signal Edge-Separation Measurement .............................................................7-24

Single Two-Signal Edge-Separation Measurement .......................................... 7-24

Implicit Buffered Two-Signal Edge-Separation Measurement ........................7-25

Sample Clocked Buffered Two-Signal Separation Measurement .................... 7-25

Hardware-Timed Single Point Two-Signal Separation Measurement .............7-26

Counter Output Applications ............................................................................................7-26

Simple Pulse Generation...........................................................................................7-27

Single Pulse Generation ....................................................................................7-27

Single Pulse Generation with Start Trigger ...................................................... 7-27

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Pulse Train Generation ............................................................................................. 7-28

Finite Pulse Train Generation ........................................................................... 7-28

Retriggerable Pulse or Pulse Train Generation ................................................ 7-29

Continuous Pulse Train Generation.................................................................. 7-30

Buffered Pulse Train Generation ...................................................................... 7-31

Finite Implicit Buffered Pulse Train Generation .............................................. 7-31

Continuous Buffered Implicit Pulse Train Generation..................................... 7-32

Finite Buffered Sample Clocked Pulse Train Generation ................................ 7-32

Continuous Buffered Sample Clocked Pulse Train Generation ....................... 7-33

Frequency Generation............................................................................................... 7-34

Using the Frequency Generator ........................................................................ 7-34

Frequency Division................................................................................................... 7-35

Pulse Generation for ETS ......................................................................................... 7-35

Counter Timing Signals.................................................................................................... 7-36

Counter n Source Signal ........................................................................................... 7-36

Routing a Signal to Counter n Source .............................................................. 7-37

Routing Counter n Source to an Output Terminal............................................ 7-37

Counter n Gate Signal............................................................................................... 7-37

Routing a Signal to Counter n Gate.................................................................. 7-38

Routing Counter n Gate to an Output Terminal ............................................... 7-38

Counter n Aux Signal ............................................................................................... 7-38

Routing a Signal to Counter n Aux .................................................................. 7-38

Counter n A, Counter n B, and Counter n Z Signals ................................................ 7-39

Routing Signals to A, B, and Z Counter Inputs................................................ 7-39

Routing Counter n Z Signal to an Output Terminal ......................................... 7-39

Counter n Up_Down Signal ..................................................................................... 7-39

Counter n HW Arm Signal ....................................................................................... 7-39

Routing Signals to Counter n HW Arm Input .................................................. 7-40

Counter n Sample Clock Signal................................................................................ 7-40

Using an Internal Source .................................................................................. 7-40

Using an External Source ................................................................................. 7-41

Routing Counter n Sample Clock to an Output Terminal ................................ 7-41

Counter n Internal Output and Counter n TC Signals .............................................. 7-41

Routing Counter n Internal Output to an Output Terminal .............................. 7-41

Frequency Output Signal .......................................................................................... 7-41

Routing Frequency Output to a Terminal ......................................................... 7-41

Default Counter/Timer Pins.............................................................................................. 7-42

Counter Triggering ........................................................................................................... 7-45

Other Counter Features..................................................................................................... 7-45

Cascading Counters .................................................................................................. 7-45

Prescaling.................................................................................................................. 7-46

Synchronization Modes ............................................................................................ 7-46

100 MHz Source Mode..................................................................................... 7-47

External Source Greater than 25 MHz ............................................................. 7-47

External or Internal Source Less than 25 MHz ................................................ 7-47

Contents

Chapter 8 PFI

Using PFI Terminals as Timing Input Signals.................................................................. 8-2

Exporting Timing Output Signals Using PFI Terminals .................................................. 8-2

Using PFI Terminals as Static Digital I/Os ...................................................................... 8-3

Using PFI Terminals to Digital Detection Events ............................................................8-4

Connecting PFI Input Signals ...........................................................................................8-4

PFI Filters .........................................................................................................................8-4

I/O Protection.................................................................................................................... 8-6

Programmable Power-Up States ....................................................................................... 8-6

Chapter 9 Digital Routing and Clock Generation

Clock Routing ...................................................................................................................9-1

100 MHz Timebase................................................................................................... 9-2

20 MHz Timebase..................................................................................................... 9-2

100 kHz Timebase ....................................................................................................9-2

External Reference Clock ......................................................................................... 9-2

10 MHz Reference Clock ......................................................................................... 9-3

Synchronizing Multiple Devices ...................................................................................... 9-3

PXI Express Devices ................................................................................................ 9-3

PCI Express Devices.................................................................................................9-3

USB Devices............................................................................................................. 9-4

Real-Time System Integration (RTSI).............................................................................. 9-4

RTSI Connector Pinout............................................................................................. 9-5

Using RTSI as Outputs .............................................................................................9-6

Using RTSI Terminals as Timing Input Signals....................................................... 9-6

RTSI Filters............................................................................................................... 9-7

PXI and PXI Express Clock and Trigger Signals ............................................................. 9-7

PXIe_CLK100 .......................................................................................................... 9-7

PXIe_SYNC100........................................................................................................9-7

PXI_CLK10 ..............................................................................................................9-8

PXI Triggers .............................................................................................................9-8

PXI_STAR Trigger................................................................................................... 9-8

PXI_STAR Filters.....................................................................................................9-8

PXIe_DSTAR<A..C> ...............................................................................................9-9

Chapter 10 Bus Interface

Data Transfer Methods ..................................................................................................... 10-1

PCI Express/PXI Express Device Data Transfer Methods ....................................... 10-1

USB Device Data Transfer Methods ........................................................................ 10-2

PXI Express Considerations .............................................................................................10-3

PXI and PXI Express Clock and Trigger Signals ..................................................... 10-3

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PXI Express .............................................................................................................. 10-3

PXIe DAQ Bandwidth Considerations ..................................................................... 10-3

USB DAQ Bandwidth Considerations ............................................................................. 10-3

Data Throughput....................................................................................................... 10-4

Chapter 11 Triggering

Triggering with a Digital Source ...................................................................................... 11-1

Triggering with an Analog Source ................................................................................... 11-2

APFI <0,1> Terminals .............................................................................................. 11-2

Analog Input Channels ............................................................................................. 11-3

Analog Input Channels on MIO X Series Devices........................................... 11-3

Analog Input Channels on Simultaneous MIO X Series Devices .................... 11-3

Analog Trigger Actions ............................................................................................ 11-3

Routing Analog Comparison Event to an Output Terminal ..................................... 11-4

Analog Trigger Types....................................................................................................... 11-4

Analog Trigger Accuracy ................................................................................................. 11-6

Appendix A Device-Specific Information

Appendix B Where to Go from Here

Appendix C Troubleshooting

Appendix D NI Services

Index

List of Figures

Figure A-1. NI PCIe-6320 Pinout ............................................................................. A-2

Figure A-2. NI PCIe-6321 and NI PCIe/PXIe-6341 Pinout ..................................... A-4

Figure A-3. NI USB-6341 Screw Terminal Pinout................................................... A-5

Figure A-4. NI USB-6341 BNC Pinout.................................................................... A-6

Figure A-5. NI PCIe-6323/6343 Pinout.................................................................... A-8

Figure A-6. NI USB-6343 Screw Terminal Pinout .................................................. A-9

Figure A-7. NI USB-6343 BNC Pinout.................................................................... A-10

Figure A-8. NI PXIe-6345/6355 Pinout.................................................................... A-12

Figure A-9. NI PCIe-6346 Pinout ............................................................................. A-14

Figure A-10. NI USB 6346 Screw Terminal Pinout................................................... A-15

Contents

Figure A-11. NI USB 6346 BNC Pinout..................................................................... A-16

Figure A-12. NI PXIe-6349 Pinout ............................................................................. A-18

Figure A-13. NI USB-6349 Screw Terminal Pinout...................................................A-19

Figure A-14. NI PCIe-6351 and NI PCIe/PXIe-6361 Pinout...................................... A-21

Figure A-15. NI USB-6351/6361 Screw Terminal Pinout.......................................... A-22

Figure A-16. NI USB-6361 Mass Termination Pinout ...............................................A-23

Figure A-17. NI USB-6361 BNC Pinout ....................................................................A-25

Figure A-18. NI PCIe-6353 and NI PCIe/PXIe-6363 Pinout...................................... A-27

Figure A-19. NI USB-6363 Mass Termination Pinout ...............................................A-28

Figure A-20. NI USB-6353/6363 Screw Terminal Pinout.......................................... A-30

Figure A-21. NI USB-6363 Pinout ............................................................................. A-31

Figure A-22. NI PXIe-PXIe-6356/6366/6386/6396 and PCIe/PXIe-6376 Pinout...... A-33

Figure A-23. NI USB-6366 Mass Termination Pinout ...............................................A-35

Figure A-24. NI USB-6356/6366 Screw Terminal Pinout.......................................... A-36

Figure A-25. NI USB-6356/6366 BNC Pinout ........................................................... A-37

Figure A-26. NI PXIe-6358/6368/6378 Pinout...........................................................A-39

Figure A-27. NI PXIe-6365 Connector 2 Pinout ........................................................A-41

Figure A-28. NI PXIe-6365 Connector 0 and Connector 1 Pinout ............................. A-42

Figure A-29. NI PCIe-6374 Pinout .............................................................................A-44

Figure A-30. NI PXIe-6375 Connector 2 and Connector 3 Pinout ............................. A-46

Figure A-31. NI PXIe-6375 Connector 0 and Connector 1 Pinout ............................. A-47

xiv | ni.com

Getting Started

The X Series User Manual contains information about using the National Instruments X Series data acquisition (DAQ) devices with NI-DAQmx 19.0 and later. X Series devices feature up to 208 analog input (AI) channels, up to four analog output (AO) channels, up to 48 lines of digital input/output (DIO), and four counters. This chapter provides basic information you need to get started using your X Series device.

Safety Guidelines

Operate the NI 63xx X Series devices and modules only as described in this user manual.

Caution NI 63xx devices and modules are not certified for use in hazardous

locations.

Caution Never connect the +5 V power terminals to analog or digital ground or to

any other voltage source on the X series device or any other device. Doing so can damage the device and the computer. NI is not liable for damage resulting from such a connection.

Caution The maximum input voltages rating of AI signals with respect to ground

(and for signal pairs in differential mode with respect to each other) are listed in the specifications document for your device. Exceeding the maximum input voltage of AI signals distorts the measurement results. Exceeding the maximum input voltage rating also can damage the device and the computer. NI is not liable for any damage resulting from such signal connections.

Caution Exceeding the maximum input voltage ratings, which are listed in the

specifications document for each X Series device, can damage the DAQ device and the computer. NI is not liable for any damage resulting from such signal connections.

Chapter 1 Getting Started

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility (EMC) as stated in the product specifications. These requirements and limits are designed to provide reasonable protection against harmful interference when the product is operated in its intended operational electromagnetic environment.

This product is intended for use in industrial locations. There is no guarantee that harmful interference will not occur in a particular installation, when the product is connected to a test object, or if the product is used in residential areas. To minimize the potential for the product to cause interference to radio and television reception or to experience unacceptable performance degradation, install and use this product in strict accordance with the instructions in the product documentation.

Furthermore, any changes or modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules.

Notice To ensure the specified EMC performance, product installation requires

either special considerations or user-installed, add-on devices. Refer to the product installation instructions for further information.

Notice For compliance with Electromagnetic Compatibility (EMC) requirements,

this product must be operated with shielded cables and accessories. If unshielded cables or accessories are used, the EMC specifications are no longer guaranteed unless all unshielded cables and/or accessories are installed in a shielded enclosure with properly designed and shielded input/output ports.

Notice This product may become more sensitive to electromagnetic disturbances

in the operational environment when test leads are attached or when connected to a test object.

Hardware Symbol Definitions

The following symbols are marked on your device or module.

Caution When this symbol is marked on a product, refer to the Safety Guidelines

section for information about precautions to take.

EU Customers At the end of the product life cycle, all products must be sent to

a WEEE recycling center. For more information about WEEE recycling centers, National Instruments WEEE initiatives, and compliance with WEEE Directive 2002/96/EC on Waste and Electronic Equipment, visit

weee

1-2 | ni.com

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X Series User Manual

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go to

ni.com/environment/rohs_china

Installation

Before installing your DAQ device, you must install the software you plan to use with the device.

1. Installing application software—Refer to the installation instructions that accompany your software.

2. Installing NI-DAQmx—The DAQ Getting Started guides, packaged with NI-DAQmx and also on

ni.com/manuals, contain step-by-step instructions for installing software and

hardware, configuring channels and tasks, and getting started developing an application.

3. Installing the hardware—Unpack your X Series device as described in the Unpacking section. The DAQ Getting Started guides describe how to install PCI Express, PXI Express, and USB devices, as well as accessories and cables.

Unpacking

The X Series device ships in an antistatic package to prevent electrostatic discharge (ESD). ESD can damage several components on the device.

Caution Never touch the exposed pins of connectors.

To avoid ESD damage in handling the device, take the following precautions:

• Ground yourself with a grounding strap or by touching a grounded object.

• Touch the antistatic package to a metal part of your computer chassis before removing the device from the package.

Remove the device from the package and inspect it for loose components or any other signs of damage. Notify NI if the device appears damaged in any way. Do not install a damaged device in your computer or chassis.

Store the device in the antistatic package when the device is not in use.

Chapter 1 Getting Started

Device Self-Calibration

NI recommends that you self-calibrate your X Series device after installation and whenever the ambient temperature changes. Self-calibration should be performed after the device has warmed up for the recommended time period. Refer to the device specifications to find your device warm-up time. This function measures the onboard reference voltage of the device and adjusts the self-calibration constants to account for any errors caused by short-term fluctuations in the environment.

You can initiate self-calibration using Measurement & Automation Explorer (MAX), by completing the following steps.

Note Disconnect all external signals before beginning self-calibration.

1. Launch MAX.

2. Select My System»Devices and Interfaces»your device.

3. Initiate self-calibration using one of the following methods:

•Click Self-Calibrate in the upper right corner of MAX.

• Right-click the name of the device in the MAX configuration tree and select Self-Calibrate from the drop-down menu.

Note You can also programmatically self-calibrate your device with NI-DAQmx,

as described in Device Calibration in the NI-DAQmx Help or the LabVIEW Help.

1-4 | ni.com

X Series User Manual

Getting Started with X Series USB Devices

The following sections contain information about X Series USB device best practices and features.

USB Device Chassis Ground

(NI USB-63xx Screw Terminal Devices) For EMC compliance, the chassis of the USB Screw

Terminal X Series device must be connected to earth ground through the chassis ground.

The wire should be AWG 16 or larger solid copper wire with a maximum length of 1.5 m (5 ft). Attach the wire to the earth ground of the facility’s power system. For more information about earth ground connections, refer to the document, Grounding for Test and Measurement Devices, by going to

You can attach and solder a wire to the chassis ground lug of the USB X Series device, as shown in Figure 1-1. The wire should be as short as possible.

ni.com/info and entering the Info Code emcground.

Figure 1-1. Grounding an NI Screw Terminal USB-63xx Device through

the Chassis Ground Lug

(NI USB-63xx BNC Devices) You can attach a wire to a CHS GND screw terminal of any

NI BNC USB-63xx device. Use as short a wire as possible. In addition, the wires in the shielded cable that extend beyond the shield should be as short as possible.

Note (NI USB-636x Mass Termination Devices) USB Mass Termination

X Series devices have chassis ground connection through the I/O connector.

Chapter 1 Getting Started

Ferrite Installation

(NI USB-63xx Mass Termination and BNC Devices) To ensure the specified EMC

performance for radiated RF emissions of the NI USB-63xx Mass Termination and BNC device, install the included snap-on ferrite bead onto the power cable, as shown in Figure 1-2.

Ensure that the ferrite bead is as close to the end of the power cable as practical. Install the snap-on ferrite bead by opening the housing and looping the power cable once through the center of the ferrite. Close the ferrite bead until the locking tabs engage securely.

You can order additional EMI suppression ferrites, 10.2 mm length (part number 781233-02) from NI.

Figure 1-2. Installing a Ferrite on an NI USB-63xx Mass Termination/BNC Device

1 Power Cable 2Ferrite 3 NI USB X Series Device

1-6 | ni.com

X Series User Manual

Mounting NI USB X Series Devices

(NI USB-63xx Screw Terminal/Mass Termination Devices) You can use your NI USB

X Series device on a desktop, mount it to a wall or panel as described in the Panel/Wall

Mounting section, or mount it to a standard DIN rail as described in the DIN Rail Mounting

section.

Panel/Wall Mounting

Complete the following steps to mount your NI USB X Series device to a wall or panel using the USB X Series mounting kit (part number 781514-01 not included in your USB X Series device kit). Refer to Figure 1-3.

1. Use three #8-32 flathead screws to attach the backpanel wall mount to the panel/wall. Tighten the screws with a #2 Phillips screwdriver to a torque of 1.1 N · m (10 lb · in.).

Figure 1-3. Using the USB X Series Mounting Kit on a Wall or Panel

2. Place the USB X Series device on the backpanel wall mount with the signal wires facing down and the device bottom sitting on the backpanel wall mount lip.

3. While holding the USB X Series device in place, attach the front bracket to the backpanel wall mount by tightening the two thumbscrews.

Chapter 1 Getting Started

DIN Rail Mounting

Complete the following steps to mount your USB X Series device to a DIN rail using the USB X Series mounting kit with DIN rail clip (part number 781515-01 not included in your USB X Series device kit).

1. Fasten the DIN rail clip to the back of the backpanel wall mount using a #1 Phillips screwdriver and four machine screws (part number 740981-01), included in the kit as shown in Figure 1-4. Tighten the screws to a torque of 0.4 N · m (3.6 lb · in.).

Figure 1-4. Attaching the DIN Rail Clip to the Backpanel Wall Mount

2. Clip the bracket onto the DIN rail as shown in Figure 1-5.

Figure 1-5. DIN Rail Clip Parts Locator Diagram

1 DIN Rail Clip 2 DIN Rail Spring 3 DIN Rail

3. Place the USB X Series device on the backpanel wall mount with the signal wires facing down and the device bottom sitting on the backpanel wall mount lip.

4. While holding the USB X Series device in place, attach the front bracket to the backpanel wall mount by tightening the two thumbscrews.

1-8 | ni.com

X Series User Manual

USB Device LEDs

(NI USB-63xx Devices) Refer to the USB Device LED Patterns section of Chapter 3, Connector

and LED Information, for information about the USB X Series device READY and ACTIVE

LEDs.

USB Cable Strain Relief

(NI USB-63xx Devices) You can provide strain relief for the USB cable by using the jackscrew

on the locking USB cable (included in the USB X Series device kit) to securely attach the cable to the device, as shown in Figure 1-6.

Figure 1-6. USB Cable Strain Relief on USB X Series Devices

1 Locking USB Cable Jackscrew 2 Jackscrew Hole 3 Security Cable Slot

Chapter 1 Getting Started

USB Device Security Cable Slot

(NI USB-63xx Devices) The security cable slot, shown in Figure 1-6, allows you to attach an

optional laptop lock to your USB X Series device.

Note The security cable is designed to act as a deterrent, but might not prevent the

device from being mishandled or stolen. For more information, refer to the documentation that accompanied the security cable.

Note The security cable slot on the USB device might not be compatible with all

laptop lock cables.

Device Pinouts

Refer to Appendix A, Device-Specific Information, for X Series device pinouts.

Device Specifications

Refer to the device specifications document for your device. X Series device documentation is available on ni.com/manuals.

Device Accessories and Cables

NI offers a variety of accessories and cables to use with your DAQ device. Refer to the Cables

and Accessories section of Chapter 2, DAQ System Overview, for more information.

1-10 | ni.com

Sensors and

Tr ansducers

Signal

Conditioning

DAQ

Hardware

Personal Computer

PXI Express

Chassis

DAQ

Software

Cables and Accessories

DAQ System Overview

Figure 2-1 shows a typical DAQ system, which includes sensors, transducers, signal conditioning devices, cables that connect the various devices to the accessories, the X Series device, programming software, and PC. The following sections cover the components of a typical DAQ system.

Figure 2-1. Components of a Typical DAQ System

Chapter 2 DAQ System Overview

DAQ Hardware

DAQ hardware digitizes signals, performs D/A conversions to generate analog output signals, and measures and controls digital I/O signals. Figure 2-2 features components common to all X Series devices.

Figure 2-2. General X Series Block Diagram

Analog Input

Analog Output

I/O Connector

Digital I/O

Counters

PFI

Digital

Routing

and Clock

Generation

RTSI

Bus

Interface

Bus

DAQ-STC3

The DAQ-STC3 and DAQ-6202 implement a high-performance digital engine for X Series data acquisition hardware. Some key features of this engine include the following:

• Flexible AI and AO sample and convert timing

• Many triggering modes

• Independent AI, AO, DI, DO, and counter FIFOs

• Generation and routing of RTSI signals for multi-device synchronization

• Generation and routing of internal and external timing signals

• Four flexible 32-bit counter/timer modules with hardware gating

• Digital waveform acquisition and generation

• Static DIO signals

• True 5 V high current drive DO

• DI change detection

• DO watchdog timers

• PLL for clock synchronization

• Seamless interface to signal conditioning accessories

• PCI Express/PXI Express interface

• Independent scatter-gather DMA controllers for all acquisition and generation functions

2-2 | ni.com

X Series User Manual

Calibration Circuitry

The X Series analog inputs and outputs have calibration circuitry to correct gain and offset errors. You can calibrate the device to minimize AI and AO errors caused by time and temperature drift at run time. No external circuitry is necessary; an internal reference ensures high accuracy and stability over time and temperature changes.

Factory-calibration constants are permanently stored in an onboard EEPROM and cannot be modified. When you self-calibrate the device, as described in the Device Self-Calibration section of Chapter 1, Getting Started, software stores new constants in a user-modifiable section of the EEPROM. To return a device to its initial factory calibration settings, software can copy the factory-calibration constants to the user-modifiable section of the EEPROM. Refer to the NI-DAQmx Help or the LabVIEW Help for more information about using calibration constants.

For a detailed calibration procedure for X Series devices, refer to the DAQ Multifunction I/O (MIO) and Simultaneous Multifunction I/O (SMIO) Devices Calibration Procedure available at

ni.com/manuals.

Cables and Accessories

Caution For compliance with Electromagnetic Compatibility (EMC)

requirements, this product must be operated with shielded cables and accessories. If unshielded cables or accessories are used, the EMC specifications are no longer guaranteed unless all unshielded cables and/or accessories are installed in a shielded enclosure with properly designed and shielded input/output ports.

NI offers a variety of products to use with X Series PCI Express, PXI Express, USB devices, including cables, connector blocks, and other accessories, as follows:

• Shielded cables and cable assemblies, and unshielded ribbon cables and cable assemblies

• Screw terminal connector blocks, shielded and unshielded

• RTSI bus cables

• SCXI modules and accessories for isolating, amplifying, exciting, and multiplexing signals; with SCXI you can condition and acquire up to 3,072 channels

• Low-channel-count signal conditioning modules, devices, and accessories, including conditioning for strain gauges and RTDs, simultaneous sample and hold circuitry, and relays

For more specific information about these products, refer to the document, 63xx Models : DAQ Multifunction I/O Cable and Accessory Compatibility, available at ni.com/manuals.

Refer to the Custom Cabling and Connectivity section of this chapter and the Field Wiring

Considerations section of Chapter 4, Analog Input, for information about how to select

accessories for your X Series device.

Chapter 2 DAQ System Overview

PCI Express, PXI Express, and USB Mass Termination Device Cables and Accessories

This section describes some cable and accessory options for X Series devices with one, two, three, or four 68-pin connectors. Refer to ni.com for other accessory options including new devices.

SCXI Accessories

SCXI is a programmable signal conditioning system designed for measurement and automation applications. To connect your X Series device to an SCXI chassis, use the SCXI-1349 adapter and an SHC68-68-EPM cable.

Note (NI 6346/6349/6356/6358/6366/6368/6374/6376/6378 Devices)

Simultaneous MIO (SMIO) X Series devices only support controlling SCXI in parallel mode.

Note (NI PXIe-6386/6396 Devices) PXIe-6386 and PXIe-6396 devices do not

support SCXI. For more information about special considerations for these devices,

ni.com/info and enter the Info Code smio14ms.

Use Connector 0 of your X Series device to control SCXI in parallel and multiplexed mode. NI-DAQmx only supports SCXI in parallel mode on Connector 1, 2, or 3.

Note When using Connector 1, 2, or 3 in parallel mode with SCXI modules that

support track and hold, you must programmatically disable track and hold.

SCC Accessories

SCC provides portable, modular signal conditioning to your DAQ system. Use an SHC68-68-EPM shielded cable to connect your X Series device to an SCC module carrier, such as the following:

• SC-2345

• SC-2350

• SCC-68

You can use either connector on MIO X Series devices to control an SCC module carrier with NI-DAQmx.

Note PCI Express users should consider the power limits on certain SCC modules

without an external power supply. Refer to the device specifications, and the

PCI Express Device Disk Drive Power Connector section of Chapter 3, Connector and LED Information, for information about power limits and increasing the current

the device can supply on the +5 V terminal.

2-4 | ni.com

X Series User Manual

Note (NI 6346/6349/6356/6358/6366/6368/6374/6376/6378/6386/6396 Devices)

Note (NI 6345/6355/6365/6375 Devices) SCC is supported only on Connector 0.

Simultaneous MIO X Series devices do not support SCC.

BNC Accessories

You can use the SHC68-68-EPM shielded cable, to connect your DAQ device to the BNC accessories listed in Table 2-1.

Table 2-1. BNC Accessories

BNC Accessory Description

BNC-2110 Provides BNC connectivity to all analog

signals, some digital signals, and spring terminals for other digital signals

BNC-2111

BNC-2120 Similar to the BNC-2110, and also has a

Provides BNC connectivity to 16 single-ended analog input signals, two analog output signals, five DIO/PFI signals, and the external reference voltage for analog output

built-in function generator, quadrature encoder, temperature reference, and thermocouple connector

BNC-2090A Desktop/rack-mountable device with

22 BNCs for connecting analog, digital, and timing signals

BNC-2115

†

Provides BNC connectivity for 24 differential or 48 single-ended analog inputs for connectors 1, 2, or 3 of the NI 6345/6355/6365/6375 devices. This leaves 8 differential or 16 single-ended analog inputs inaccessible on connectors 1, 2, or 3. Provides BNC connectivity for 24 differential analog inputs for connector 1 of the NI 6349 device.

The BNC-2111 cannot be used with NI 6356/6358/6366/6368/6374/6376/6378/6386/6396 SMIO

X Series devices.

†

The BNC-2115 can only be used on connectors 1, 2, or 3 of NI 6345/6355/6365/6375 devices and

connector 1 of the NI 6349 device.

Chapter 2 DAQ System Overview

You can use one BNC accessory on connector 0 of any X Series device. An additional BNC accessory may be used on connector 1 of any X series device except the NI 6345/6349/6355/ 6365/6375 devices. The BNC-2115 can only be used on connectors 1, 2, or 3 of the NI 6345/ 6355/6365/6375 devices and connector 1 of the NI 6349 device.

Screw Terminal Accessories

National Instruments offers several styles of screw terminal connector blocks. All terminal connector blocks require a cable except the TB-2706 to connect an X Series device to a connector block, as listed in Table 2-2.

Table 2-2. Screw Terminal Accessories

Screw Terminal Accessory Description

CB-68LP and CB-68LPR Unshielded connector blocks

SCC-68 I/O connector block with screw terminals,

general breadboard area, bus terminals, and four expansion slots for SCC signal conditioning modules.

SCB-68 Shielded connector block with temperature

sensor

SCB-68A Screw terminal block with temperature

sensor

TBX-68 DIN rail-mountable connector block

TB-2706

Front panel mounted terminal block for PXI Express X Series devices

TB-2706 (not for use with NI 6345/6346/6349/6355/6365/6375 devices) uses Connector 0 of your

PXI Express device. After a TB-2706 is installed, Connector 1 cannot be used.

RTSI Cables

Use RTSI bus cables to connect timing and synchronization signals among PCI/PCI Express devices, such as X Series, M Series, CAN, and other measurement, vision, and motion devices. Since PXI devices use PXI backplane signals for timing and synchronization, no cables are required.

Cables

You can use the following cables:

2-6 | ni.com

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WARNING REGARDING USE OF NATIONAL INSTRUMENTS PRODUCTS

Contents

Safety Guidelines

Electromagnetic Compatibility Guidelines

Hardware Symbol Definitions

Installation

Unpacking

Device Self-Calibration

Getting Started with X Series USB Devices

USB Device Chassis Ground

Ferrite Installation

Figure 1-2. Installing a Ferrite on an NI USB-63xx Mass Termination/BNC Device

Mounting NI USB X Series Devices

Panel/Wall Mounting

Figure 1-3. Using the USB X Series Mounting Kit on a Wall or Panel

DIN Rail Mounting

Figure 1-4. Attaching the DIN Rail Clip to the Backpanel Wall Mount

Figure 1-5. DIN Rail Clip Parts Locator Diagram

USB Device LEDs

USB Cable Strain Relief

Figure 1-6. USB Cable Strain Relief on USB X Series Devices

USB Device Security Cable Slot

Device Pinouts

Device Specifications

Device Accessories and Cables

Figure 2-1. Components of a Typical DAQ System

DAQ Hardware

Figure 2-2. General X Series Block Diagram

DAQ-STC3

Calibration Circuitry

Cables and Accessories

PCI Express, PXI Express, and USB Mass Termination Device Cables and Accessories

SCXI Accessories

SCC Accessories

BNC Accessories

Table 2-1. BNC Accessories

Screw Terminal Accessories

Table 2-2. Screw Terminal Accessories

RTSI Cables

Cables