NATIONAL INSTRUMENTS SCXI NI Relay Switching Module User Guide

June 12, 2024
NATIONAL INSTRUMENTS

NATIONAL INSTRUMENTS SCXI NI Relay Switching Module

Product Information

The SCXI-1129 is a switch module manufactured by National Instruments (NI). It is designed to be used with the NI-SWITCH instrument driver and NI-DAQmx driver software. This switch module allows users to easily install, configure, and set up a switch for their system.

Features

  • Easy installation and configuration
  • Compatible with NI-SWITCH instrument driver and NI-DAQmx driver software
  • Provides specified electromagnetic compatibility performance
  • Comes with an antistatic package to prevent electrostatic discharge

System Requirements

In order to use the NI-SWITCH instrument driver, your system must meet certain requirements. For detailed information about the minimum system requirements, recommended system, and supported application development environments (ADEs), please refer to the product readme available on the driver software DVD or online at ni.com/updates.

Product Usage Instructions

Electromagnetic Compatibility Guidelines:

For proper electromagnetic compatibility performance, it is important to follow these guidelines:

  • Operate the SCXI-1129 switch module only with shielded cables and accessories.
  • Ensure that the length of all input/output (I/O) cables does not exceed 3 meters (10 feet).

Verifying the Kit Contents:

Before proceeding with the installation, ensure that you have received all the necessary components included in the kit.

Unpacking:

Follow these steps to unpack the NI switch product:

  1. Ground yourself using a grounding strap or by holding a grounded object, such as your computer chassis.
  2. Touch the antistatic package to a metal part of the computer chassis to discharge any static electricity.
  3. Remove the device from the antistatic package and inspect it for any loose components or signs of damage.
  4. If the device appears damaged, notify NI and do not install it into the chassis.

Installing the Software

Before installing the NI switch product, you need to install the NI-SWITCH driver software. Follow these steps to install the software:

  1. If you are developing a NI-SWITCH application, you can optionally install an application development environment (ADE) such as LabVIEW or LabWindowsTM/CVITM.
  2. Install the latest service packs for your operating system.
  3. Insert the NI-SWITCH DVD into the DVD drive. The installer should open automatically. If not, navigate to the DVD drive and double-click on autorun.exe.
  4. Follow the instructions in the installation prompts to install the NI-SWITCH driver software.
  5. After the installation is complete, select “Restart” when prompted and remove the driver software DVD.

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for electromagnetic compatibility (EMC) stated in the product specifications. These requirements and limits are designed to provide reasonable protection against harmful interference when the product is operated in the intended operational electromagnetic environment. This product is intended for use in industrial locations. However, harmful interference may occur in some installations, when the product is connected to a peripheral device or test object, or if the product is used in residential or commercial areas. To minimize interference with radio and television reception and prevent unacceptable performance degradation, install and use this product in strict accordance with the instructions in the product documentation. Furthermore, any modifications to the product not expressly approved by National Instruments could void your authority to operate it under your local regulatory rules.

  • Caution To ensure the specified EMC performance, operate this product only with shielded cables and accessories.
  • Caution To ensure the specified EMC performance, the length of all I/O cables must be no longer than 3 m (10 ft).

Verifying the System Requirements
To use the NI-SWITCH instrument driver, your system must meet certain requirements. For more information about minimum system requirements, recommended systems, and supported application development environments (ADEs), refer to the product readme, which is available on the driver software DVD or online at ni.com/updates.

Verifying the Kit Contents

  • SCXI switch module
  • NI -SWITCH driver software DVD
  • NI Switches Getting Started Guide for your NI SCXI switch module (this document)
  • Specifications document for you NI SCXI switch module
  • Read Me First: Safety and Electromagnetic Compatibility

NI SCXI Required Items
In addition to the items contained in the kit, you need the following items to install or operate your device.

  • NI SCXI chassis or NI PXI/SCXI combination chassis
  • Switch controller

If cabling directly to a switch controller, you also need the following items:

  • Cable adapter
  • Cable

Related Information
Installing the Hardware on page 4

Unpacking

Your NI switch product ships in an antistatic package to prevent electrostatic discharge from damaging device components. To prevent such damage when handling the device, ground yourself using a grounding strap or by holding a grounded object, such as your computer chassis, and complete the following steps:

  1. Touch the antistatic package to a metal part of the computer chassis before removing the device from the package.
    Caution Never touch the exposed pins of connectors.

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

Installing the Software

You must install the NI-SWITCH driver software before installing the NI switch product. NI switch modules are packaged with NI-SWITCH and NI-DAQmx. Each driver has its own API with a library of VIs and functions you can call from your ADE to program your NI switch product.

  1. Optional: If you are developing a NI-SWITCH application, install an ADE, such as LabVIEW or LabWindows™/CVI™.
  2. Install the latest service packs for your operating system.
  3. Insert the NI-SWITCH DVD into the DVD drive. The NI-SWITCH installer should open automatically. If the installation window does not appear, navigate to the DVD drive, double-click the drive, and double-click autorun.exe.
  4. Follow the instructions in the installation prompts to install the NI-SWITCH driver software.
  5. When the installer completes, select Restart in the dialog box that asks if you want to restart, shut down, or restart later and remove the driver software DVD.

Installing the Hardware

You must install the software before installing the hardware. Before you install the hardware, refer to the guidelines in the Maintain Forced-Air Cooling Note to Users included with the module to ensure that the device can cool itself effectively. This document is also available at ni.com/manuals.

  • Caution NI SCXI switch modules are sensitive instruments that should be handled carefully. To prevent damage to the device caused by ESD or contamination, handle the device using the edges or the metal bracket.
  • Caution Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.

To select and install a switch controller, complete the following steps:

  1. Verify that your switch controller supports the switch module you want to install. Refer to the following table.
    • Table 1. NI Switch Controllers and Supported NI SCXI Switches
  2. NATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1 \(1\)NATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1 \(2\)
  3. Note Some switch controllers, like the NI USB-1357/1358/1359, can connect an NI SCXI switch module directly to a computer. Alternatively, a switch controller installed in the rightmost PXI slot of an NI PXI-1010/1011/1050/1052 chassis does not require any additional cables or adapters to connect to the switch module. Note The NI 4060 device can only control the NI SCXI-1127/1128/1129/1160/1161/1163R/1190 switch modules configured using Traditional NI-DAQ (Legacy).
  4. Identify the adapter kit(s) required to cable the switch controller or the computer to the NI SCXI switch module.
  5. Determine the appropriate installation procedure for installing your NI switch module. Refer to the following table.

Table 2. Determining the NI SCXI Switch Installation Procedure

Chassis Type NI Switch Controller Type Installation Procedure
NI SCXI-1000 or NI SCXI-1001 PCI or PXI or mass-terminated NI USB M Series 2
NI USB-135x 4
NI SCXI-1600 5
Chassis Type NI Switch Controller Type Installation Procedure
--- --- ---
NI PXI-1010 or NI PXI-1050 PXI4 in rightmost PXI slot 3
PXI not in rightmost PXI slot 2
PXI Express compatible5 in any slot 2
NI USB-135x 4
NI SCXI-1600 5
NI PXI-1011 or NI PXI-1052 PXI6 in rightmost PXI slot 3
NI SCXI-1600 5

Note The NI 4060 device can only control the NI SCXI-1127/1128/1129/1160/1161/1163R/1190 switch modules configured using Traditional NI-DAQ (Legacy).
Related Information
Refer to the NI Switches Help for more information about NI switch controllers and adapter kits.

Installation Procedure 1

Install an NI SCXI switch module in an existing system. Refer to the following figure and complete the following steps to install an NI SCXI switch module in an existing system.

Figure 1. Installing an NI SCXI Switch Module in an Existing System NATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1
\(3\)

  1. New NI SCXI Switch Module
  2. Existing NI SCXI Module
  3. NI SCXI Chassis
  4. Existing Controller
  5. Power off and unplug the chassis.
  6. Remove the filler panel from an unused SCXI slot.
  7. Touch any metal part of the chassis to discharge static electricity.
  8. Insert the switch module into the SCXI slot.
  9. Screw the switch front panel to the chassis front panel mounting rail.

Installation Procedure 2
Install an NI SCXI switch module in any of the following configurations:

  • NI SCXI-1000/1001 chassis with an NI PCI or NI PXI switch controller
  • NI PXI-1010/1050 chassis with a switch controller not in the rightmost PXI slot of the chassis
  • NI PXI-1010/1050 chassis with an NI PXI Express compatible switch controller in any slot of the chassis

Refer to the following figure and complete the following steps to install an NI SCXI switch module.

Figure 2. Chassis Preparation

NATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1
\(4\)

  1. Chassis Power Switch
  2. Chassis Address Switches
  3. Chassis Power Settings
  4. Power Cord Connector
  5. Power off and unplug the chassis.
  6. Install the switch controller, including any adapter kit(s), as described in the switch controller documentation.
  *  **Note** Ensure the chassis is still powered off before continuing to install your switch module.
3. Set the chassis address switches to the OFF position. If you are using multiple SCXI chassis, ensure each chassis has a unique binary address.  

Note Earlier chassis use jumpers inside the chassis front panel instead of chassis address switches. Earlier chassis also differ in fuses and AC power selection. Refer to the documentation specific to your chassis for more information.

4. Confirm the correct power settings of the chassis (100, 120, 220, or 240 VAC).
5. Remove the filler panel from an unused SCXI slot.
6. Touch any metal part of the chassis to discharge static electricity.
7. Insert the switch module into the SCXI slot.
8. Screw the switch front panel to the chassis front panel mounting rail.

After you install the module, determine the type of controller you want to use. For more information about cabling the module to a controller, refer to NI E Series or M Series, 10-Pin Rear Connector, or 50-Pin Rear Connector.

Related Information
Refer to the Read Me First: NI-DAQmx and DAQ Device Installation Guide if you are installing an NI M Series device. Refer to the NI Digital Multimeters Getting Started Guide if you are installing an NI 407x.
NI E Series or M Series
Refer to the following figure and complete the following steps to cable the switch controller to the switch module. Notice that an NI E Series or M Series device can directly cable only to an NI SCXI switch module with a 50-pin rear connector.
Figure 3. Cabling an NI E Series or M Series Device to an NI SCXI Switch ModuleNATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1
\(5\)

  1. NI SCXI Switch Module with a 50-Pin Rear Connector
  2. NI SCXI-1000/1001 or NI PXI-1010/1050 Chassis
  3. NI SCXI-1349 Cable Adapter
  4. NI SH6868 Cable
  5. NI E Series or M Series Device

10-Pin Rear Connector
You must determine the number of pins on the rear connector of your NI SCXI switch module to choose the appropriate set of steps to cable the switch controller to the switch module. Refer to the following figure and complete the following steps to cable the switch controller to an NI SCXI switch module with a 10-pin rear connector for the NI 4021/407x or NI PXI/PCI-4065.
Figure 4. Cabling an NI 4021/407x or an NI PXI/PCI-4065 to a 10-pin Rear Connector Switch ModuleNATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-
fig-1 \(6\)

  1. NI SCXI Switch Module with a 10-Pin Rear Connector
  2. HVAB Connector
  3. 10-Pin Rear Connector
  4. SH9MD-AUX Cable
  5. NI Switch Controller
  6. NI SCXI-1359 Cable Adapter
  7. NI SCXI-1000/1001 or NI PXI-1010/1050 Chassis

Related Information
Refer to the NI Switches Help for more information about the connectors on the NI SCXI-1359.
50-Pin Rear Connector
You must determine the number of pins on the rear connector of your NI SCXI switch module to choose the appropriate set of steps to cable the switch controller to the switch module. Refer to the following figure and complete the following steps to cable the switch controller to your NI SCXI switch module with a 50-pin rear connector for the NI 4021/407x or NI PXI/PCI-4065.
Figure 5. Cabling an NI 4021/407X or an NI PXI/PCI-4065 to a 50-Pin Rear Connector Switch ModuleNATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-
fig-1 \(7\)

  1. NI SCXI Switch Module with a 50-Pin Rear Connector
  2. NI SCXI-1000/1001 or NI PXI-1010/1050 Chassis
  3. NI SCXI-1362 Cable Adapter
  4. NI Switch Controller
  5. SH9MD-AUX Cable

Installation Procedure 3
Install an NI PXI-1010/1011/1050/1052 chassis with a PXI switch controller in the rightmost PXI slot of the chassis.
Note No cables are required to connect the switch module to the switch controller. Refer to the following figure and complete the following steps to install an NI SCXI switch module.
Figure 6. NI Switch Controller in the Rightmost PXI Slot NATIONAL-
INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1 \(8\)

  1. NI PXI-1010/1050 Chassis
  2. NI PXI-1011/1052 Chassis
  3.  Controller
  4. Power off and unplug the chassis.
  5. Install the switch controller, including any adapter kit(s), as described in the switch controller documentation.
  6. (NI PXI-1010 only) Set the chassis address switches to the OFF position as shown in the following figure.
  7. Confirm the correct power settings of the chassis (100 VAC, 120 VAC, 220 VAC, or 240 VAC).
  *  **Note** Refer to the documentation specific to your chassis for the correct voltage for your region.
5. Remove the filler panel from an unused SCXI slot.
6. Touch any metal part of the chassis to discharge static electricity.
7. Insert the switch module into the SCXI slot.
8. Screw the switch front panel to the chassis front panel mounting rail.
9. Power on the chassis.

Related Information
Refer to the Read Me First: NI-DAQmx and DAQ Device Installation Guide if you are installing an NI PXI/PCI M Series device. Refer to the NI Digital Multimeters Getting Started Guide if you are installing an NI 407x.
Installation Procedure 4
Connect an NI USB switch controller/adapter directly to an NI SCXI switch module with a 10- pin rear connector. Refer to the following figure and complete the following steps to install an NI SCXI switch module and cable it to an NI USB switch controller
Figure 7. Cabling an NI USB Switch Controller to a 10-Pin Rear Connector Switch ModuleNATIONAL-INSTRUMENTS-SCXI-NI-Relay-Switching-Module-fig-1
\(9\)

  1. NI SCXI Switch Module

  2. HVAB Connector

  3. 10-Pin Rear Connector

  4. USB Cable

  5. NI Switch Controller

  6. NI 1359 Cable Adapter

  7. NI SCXI-1000/1001 or NI PXI-1010/1050 Chassis

  8. Power off and unplug the chassis.

  9. Set the chassis address switches to the OFF position.
    Note Earlier chassis use jumpers inside the chassis front panel instead of chassis address switches. Earlier chassis also differ in fuses and AC powerselection. Refer to the documentation specific to your chassis for more information.

  10. Confirm the correct power settings of the chassis (100 VAC, 120 VAC, 220 VAC, or 240 VAC).
    Note Refer to the documentation specific to your chassis for the correct voltage for your region.

  11. Remove the filler panel in an unused SCXI slot.

  12. Touch any metal part of the chassis to discharge static electricity.

  13. Insert the switch module into the SCXI slot.

  14. Screw the switch front panel to the chassis front panel mounting rail.

  15. Attach the NI USB-1359, included with the kit, to the rear of the NI SCXI switch module. Ensure that the 10-pin rear connector of the switch module connects to the black lowerright 10-pin rear connector of the NI USB-1359.

  16. Screw the backplane adapter to the chassis mounting rail.

  17. Power on the chassis. You must power on the chassis before you connect the NI USB-1359 to the computer to auto-detect the NI USB-1359 and auto-create the chassis in MAX.
    Note If you are using an NI PXI-1010/1050 the chassis appears in MAX as an NI SCXI-1000 chassis.

  18. Connect one end of the USB cable to the NI USB-1359 and the other end to a USB hub or a USB port on a computer.

Related Information
Refer to the NI Switches Help for more information about the connectors on the NI USB-1359. Refer to the NI 1357/1358/1359 SCXI Controller/Adapter Kit Installation Guide for more information about USB switch control.
Installation Procedure 5
Install a switch module in any SCXI chassis with an NI SCXI-1600 switch module controller installed in any slot in the chassis. Refer to the following figure and complete the following steps to install an NI SCXI switch module.
Figure 8. Installing an NI SCXI Switch Module in an SCXI Chassis with an NI SCXI-1600 Controller

  1. New NI SCXI Switch Module
  2. NI SCXI-1600 Switch Module Controller
  3. NI SCXI Chassis
  4. Power off and unplug the chassis.
  5. Install and configure the NI SCXI-1600 switch module controller.
  *  **Note** Ensure the chassis is still powered off before continuing to install your switch module.
3. Remove the filler panel from an unused SCXI slot.
4. Touch any metal part of the chassis to discharge static electricity.
5. Insert the switch module into the SCXI slot.
6. Screw the switch front panel to the chassis front panel mounting rail.
7. Connect one end of the USB cable to the NI SCXI-1600 and the other end to a USB hub or a USB port on a computer.

Related Information
Refer to the SCXI Quick Start Guide for more information about installing and configuring the NI SCXI-1600.
Configuring the Hardware in MAX
Your SCXI switch and your switch controller determine your MAX configuration options. Refer to the following table to determine your MAX configuration options.
Table 3. MAX Configuration Options

NI Controller| NI SCXI-1127/1128/1129/ 1160/1161/1163R/

1190/1191/1192 Switches

| All Other NI SCXI Switches
---|---|---
NI 407x, NI 4065,

M Series, NI 4021

| NI-DAQmx/Traditional NI-DAQ (Legacy)| NI-DAQmx
NI 4060| Traditional NI-DAQ (Legacy)| –
NI USB| NI-DAQmx

Note The NI 4060 device can only control
NI SCXI-1127/1128/1129/1160/1161/1163R/1190 switch modules configured using Traditional NI-DAQ (Legacy). For software support information, refer to the preceding table.

  1. Launch MAX by navigating to Start»All Programs»National Instruments»NI MAX or by clicking the NI MAX desktop icon.
  2. Right-click Devices and Interfaces. Select Create New.
  3. In the Create New window, go to NI-DAQmx SCXI Chassis. Select the SCXI chassis you want to add. Configure the following settings:
    •  Select the switch controller (NI USB-1359 or NI 407x) cabled to the communicating SCXI switch module from the Chassis Communicator drop-down listbox. If MAX detects only one communicating device, this device is selected as the chassis communicator by default and the listbox is dimmed.
    • (NI SCXI kits only) Select the module slot connected to the chassis communicator from the Communicating SCXI Module Slot drop-down list.
    • In the Chassis Address text box, enter the appropriate chassis address setting. The correct chassis address jumper settings are shown in the interactive DIP switch graphic in the configuration window. Make sure the software setting matches the actual chassis address setting on the SCXI chassis.
    • If you want NI-DAQ to automatically detect the SCXI modules in the chassis, check  Auto-Detect All Modules.
  4. Click Save when you are finished.
  5. Right-click the SCXI chassis you just added. Select Configure.
  6. In the SCXI Chassis Configuration window, click the Modules tab. Select the module you want to add from the Modules drop-down listbox.
  7. Click Details to configure the module settings.

Connecting Signals to Switch Terminal Blocks

Refer to the documentation for your terminal block to install the terminal block and connect signals to the NI switch product

Programming the NI Switch Product

You can acquire data interactively using the NI-SWITCH Soft Front Panel (SFP), or you can control the device programmatically using the NI-SWITCH instrument driver. You can then use NI-SWITCH to program the device in the application development environment (ADE) of your choice.

Table 4. NI Switch Product Programming Options

Application Programming Interface (API)| Location| Description
---|---|---
NI-SWITCH SFP| Available from the Start menu or NI Launcher in Windows 8.| Provides a graphical interface for controlling and viewing the state of your NI switch product.
NI-SWITCH

Instrument Driver

| LabVIEW or LabWindows/CVI— Available on the LabVIEW Functions palette at Measurement I/O » NI-SWITCH.| Features a set of operations and attributes that exercise all the functionality of the NI switch product, including configuration, control, and other device-specific functions.
C or LabWindows/CVI— Available at Program Files

\IVI Foundation\IVI

\Drivers\niSWITCH.

Installed examples for Visual C/C++ are in the

NI-SWITCH Readme.

| Refer to the Creating an Application with Microsoft Visual C/C++ topic in the NI Switches Help for information about developing a NI-SWITCH application.
NI-DAQmx

Instrument Driver

| Available from the Start menu or NI Launcher in Windows 8. To locate examples, go to ni.com/info and enter the Info Code daqmxexp. For additional examples, refer to zone.ni.com.| You can operate NI switch products with the NI-DAQmx API. NI-DAQmx is useful when using hardware scanning with multiple NI switch products. The NI-DAQmx API supports all NI switch products and is not IVI compliant.

NI-SWITCH Examples
Examples demonstrate the functionality of the device and serve as programming models and building blocks for your own applications. The NI Example Finder is a utility available for  some software applications that organizes examples into categories and allows you to easily browse and search installed examples. You can see descriptions and compatible hardware models for each example or see all the examples compatible with one particular hardware model.
Table 5. Locating NI-SWITCH Examples

Software Application How to Locate Examples
LabVIEW or LabWindows/CVI Locate examples with the NI Example Finder. Within

LabVIEW or LabWindows/CVI, select Help » Find Examples and navigate to Hardware Input and Output » Modular Instruments.
ANSI C or Microsoft Visual C/C++| Locate examples in the \NI- SWITCH\examples directory, where is one of the following directories:

•          Windows XP—Documents and Settings\All Users\Documents\National Instruments

•          Windows 7/8/Vista—Users\Public\Documents

\National Instruments

Where to Go Next
Refer to the following figure for information about other product tasks and associated resources for those tasks.NATIONAL-INSTRUMENTS-SCXI-NI-Relay-
Switching-Module-fig-1 \(11\)

  • Located in the hardware kit
  • Located online at ni.com/manuals.
  • Located using the NI Example Finder

Appendix A: PXI Express Compatibility
A modified PXI module is a hybrid slot compatible PXI module where the top rear connector is replaced with a small connector. Refer to the following figure to determine if your NI switch product is hybrid-slot compatible.

Figure 9. PXI Module and PXI Express Compatible Module

  1. Standard PXI Switch Module
  2. PXI Express Compatible Switch Module

A hybrid slot compatible PXI module can operate in the following slots:

  • A Standard PXI slot or an NI PXI/PXI Express chassis
  • A Hybrid slot-compatible PXI module
  • Note Unlike hybrid slot-compatible modules, PXI cards can only operate in standard PXI slots. Hybrid slot-compatible PXI modules preserve the following features:

Table 6. Hybrid Slot Compatibility PXI Module Features

Software compatibility| Hybrid slot compatibility requires no changes to existing applications and/or driver software.
---|---
Specifications| Hybrid slot compatibility does not alter module specifications.
PXI communication| Hybrid slot compatibility supports existing PXI timing and PXI triggering capabilities.

NI Switches
SCXI™ Switch Modules This document explains how to install, configure, and set up a National Instruments SCXI switch module. Your NI SCXI switch module ships with the NI-SWITCH instrument driver,  which you can use to program the device.This document contains information about the NI-DAQmx driver software, which you can also use to program NI switch modules. Launch NI-DAQmx from the Start menu, or for Windows 8, from NI Launcher. Note The protection provided by your NI switch product can be impaired if used in a manner not described in this document. Refer to your NI PXI/PXI Express chassis documentation to determine which slots are PXI slots, PXI Express slots, or PXI Express Hybrid slots.
Related Information
Refer to the NI Switches Help for detailed information about features and programming options for your NI switch product.
Related Information
Refer to the PXI Systems Alliances for the defined modifications to incorporate PCI Express signaling into PXI
Worldwide Support and Services
The National Instruments website is your complete resource for technical support. At ni.com/support you have access to everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers. Visit ni.com/services for NI Factory Installation Services, repairs, extended warranty, and other services. Visit ni.com/register to register your National Instruments product. Product registration facilitates technical support and ensures that you receive important information updates from NI. A Declaration of Conformity (DoC) is our claim of compliance with the Council of the European Communities using the manufacturer’s declaration of conformity. This system affords the user protection for electromagnetic compatibility (EMC) and product safety. You can obtain the DoC for your product by visiting ni.com/certification. If your product supports calibration, you can obtain the calibration certificate for your product at ni.com/calibration. National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world. For telephone support in the United States, create your service request at ni.com/support or dial 512 795 8248. For telephone support outside the United States, visit the Worldwide Offices section of ni.com/niglobal to access the branch office websites, which provide up-to-date contact information, support phone numbers, email addresses, and current events. NI Switches Getting Started Guide | © National Instruments | 21 Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help» Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents. 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 ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data. © 2010—2013 National Instruments. All rights reserved. 375471B-01 Aug13

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