National Instruments SwitchBlock Manuale utente
GETTING STARTED GUIDE
NI Switches
NI SwitchBlock
This document explains how to install, configure, and test the NI SwitchBlock. The carrier
ships with the NI-SWITCH instrument driver, which you can use to program the
NI SwitchBlock cards.
Note Before you begin, install and configure your chassis and controller.
Contents
Electromagnetic Compatibility Guidelines...............................................................................1
Verifying the System Requirements..........................................................................................2
Unpacking the Kit..................................................................................................................... 2
Preparing the Environment....................................................................................................... 3
PXI Modules..................................................................................................................... 3
Verifying the Kit Contents........................................................................................................ 3
NI SwitchBlock Carrier Required Items ..........................................................................4
NI SwitchBlock Card Required Items.............................................................................. 4
Installing the Software.............................................................................................................. 4
Installing the Hardware.............................................................................................................5
Installing an NI SwitchBlock Carrier................................................................................5
Installing an NI SwitchBlock Card................................................................................... 6
Configuring the NI SwitchBlock in MAX................................................................................8
Programming the NI SwitchBlock............................................................................................8
NI-SWITCH Examples............................................................................................................. 9
Troubleshooting...................................................................................................................... 10
What Should I Do if the NI SwitchBlock Doesn't Appear in MAX?............................. 10
What Should I Do if the NI SwitchBlock Fails the Self-Test in MAX? ........................ 11
Where to Go Next................................................................................................................... 11
Worldwide Support and Services............................................................................................ 11
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 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 changes or 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 30 m (100 ft).
Verifying the System Requirements
To use the NI-SWITCH driver, your system must meet certain requirements. For more
information about minimum system requirements, recommended system, and supported
application development environments (ADEs), refer to the readme, which is available on the
software media or online at ni.com/updates.
Unpacking the Kit
Caution To prevent electrostatic discharge (ESD) from damaging the device,
ground yourself using a grounding strap or by holding a grounded object, such as
your computer chassis.
1. Touch the antistatic package to a metal part of the computer chassis.
2. Remove the device from the package and inspect the device for loose components or any
other sign of damage.
Caution Never touch the exposed pins of connectors.
Note Do not install a device if it appears damaged in any way.
3. Unpack any other items and documentation from the kit.
Store the device in the antistatic package when the device is not in use.
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Preparing the Environment
Ensure that the environment in which you are using the NI SwitchBlock meets the following
specifications:
PXI Modules
Operating Environment
Ambient temperature range 0 °C to 55 °C (Tested in accordance with
IEC 60068-2-1 and IEC 60068-2-2.)
Relative humidity range 10% to 90%, noncondensing (Tested in
accordance with IEC 60068-2-56.)
Maximum altitude 2,000 m (at 25 °C ambient temperature)
Pollution Degree 2
Indoor use only.
Note Refer to the device specifications on ni.com/manuals.
Verifying the Kit Contents
The items shown in the following figure are necessary to set up and use your NI SwitchBlock.
Figure 1. SwitchBlock Carrier Kit Contents
3 4
12
1. NI SwitchBlock Carrier
2. NI-SWITCH Driver Software DVD
3. NI SwitchBlock Getting Started Guide
4. Safety, Environmental, and Regulatory
Information
NI SwitchBlock | © National Instruments | 3
Figure 2. SwitchBlock Card Kit Contents
2
1
1. NI SwitchBlock Card
2. Safety, Environmental, and Regulatory Information
In addition to the items contained in the kit, you need the following items to install or operate
your device.
NI SwitchBlock Carrier Required Items
• NI PXI chassis or NI PXI Express chassis with hybrid slots
• #1 Phillips screwdriver
Note You can install the NI PXI-2800 carrier for the NI SwitchBlock in an
NI PXI Express chassis if the back connector of the carrier connects to a PXI
peripheral slot in the chassis.
NI SwitchBlock Card Required Items
• NI SwitchBlock carrier
• #1 Phillips screwdriver
Installing the Software
You must be an Administrator to install NI software on your computer.
1. Install an ADE, such as LabVIEW or LabWindows™/CVI™.
2. Insert the driver software media into your computer. The installer should open
automatically.
If the installation window does not appear, navigate to the drive, double-click it, and
double-click autorun.exe.
3. Follow the instructions in the installation prompts.
Note Windows users may see access and security messages during
installation. Accept the prompts to complete the installation.
4. When the installer completes, select Restart in the dialog box that prompts you to restart,
shut down, or restart later.
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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 at ni.com/manuals to ensure that the device can cool itself effectively.
Caution 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.
Installing an NI SwitchBlock Carrier
The NI SwitchBlock carrier holds up to six NI SwitchBlock relay cards and occupies four PXI
slots. The carrier can be installed before or after installing cards.
Figure 3. Installing an NI SwitchBlock Carrier
4
2
1
3
NI PXI-1
045
1. NI SwitchBlock Card
2. NI SwitchBlock Carrier
3. PXI Connector
4. NI PXI/PXI Express or NI PXI/SCXI Combination
Chassis
1. Ensure the AC power source is connected to the chassis before installing the carrier.
The AC power cord grounds the chassis and protects it from electrical damage while you
install the carrier.
2. Power off the chassis.
3. If the chassis has multiple fan speed settings, ensure that the fans are set to high.
NI SwitchBlock | © National Instruments | 5
4. Position the chassis so that inlet and outlet vents are not obstructed.
For more information about optimal chassis positioning, refer to chassis documentation.
5. Identify four adjacent empty slots in the chassis for the NI SwitchBlock carrier to occupy.
Note The second-to-leftmost slot occupied by the carrier must be compatible
with the PXI. The other three occupied slots may be any peripheral or timing
slot. Refer to the chassis documentation for details.
6. Remove the filler panels of the four slots you have selected for installing the carrier.
7. Touch any metal part of the chassis to discharge static electricity.
8. Place the carrier edges into the module guides at the top and bottom of the chassis. Slide
the carrier into the slot until it is fully inserted.
9. Tighten the screws at the top and bottom of the carrier front panel.
Note Tightening the top and bottom mounting screws increases mechanical
stability and also electrically connects the front panel to the chassis, which can
improve the signal quality and electromagnetic performance.
10. Cover all empty slots using filler panels or slot blockers to maximize cooling air flow.
Installing an NI SwitchBlock Card
The NI SwitchBlock carrier holds up to six NI SwitchBlock relay cards. The cards can be
installed before or after installing the carrier.
6| ni.com | NI SwitchBlock
Figure 4. Installing an NI SwitchBlock Card
2
3
1
1. Screws
2. NI SwitchBlock Card
3. NI SwitchBlock Carrier
1. Ensure the AC power source is connected to the chassis before installing the modules.
The AC power cord grounds the chassis and protects it from electrical damage while you
install the modules.
2. Power off the chassis.
3. If the chassis has multiple fan speed settings, ensure that the fans are set to high.
4. Position the chassis so that inlet and outlet vents are not obstructed.
For more information about optimal chassis positioning, refer to chassis documentation.
5. Remove the filler panel of an unused slot in the NI SwitchBlock carrier.
6. Touch any metal part of the chassis to discharge static electricity.
7. Place the module edges into the module guides at the top and bottom of the carrier. Slide
the device into the slot until it is fully inserted.
8. Secure the device front panel to the carrier using the front-panel mounting screws.
Note Tightening the top and bottom mounting screws increases mechanical
stability and also electrically connects the front panel to the carrier, which can
improve the signal quality and electromagnetic performance.
9. Cover all empty NI SwitchBlock slots using the blank NI SwitchBlock filler panels.
NI SwitchBlock | © National Instruments | 7
10. Power on the chassis.
Configuring the NI SwitchBlock in MAX
Use Measurement & Automation Explorer (MAX) to configure your NI hardware. MAX
informs other programs about which devices reside in the system and how they are configured.
MAX is automatically installed with NI-SWITCH.
1. Launch MAX.
2. In the configuration tree, expand Devices and Interfaces to see the list of installed
devices.
Installed devices appear under the name of their associated chassis.
3. Expand your Chassis tree item.
MAX lists all devices installed in the chassis. Your default device names may vary.
Note If you do not see your device listed, press <F5> to refresh the list of
installed devices. If the device is still not listed, power off the system, ensure
the device is correctly installed, and restart.
4. Record the device identifier MAX assigns to the hardware. Use this identifier when
programming the NI SwitchBlock.
5. Right-click the carrier in the configuration tree and select Configure to launch the
NI SwitchBlock Configuration Panel.
By default, all NI SwitchBlock cards in the carrier appear as single-card devices, as
shown in the following figure. Use one the following methods to configure your
NI SwitchBlock and designate which cards compose each device:
• Select Combine All or Uncombine All to combine NI SwitchBlock cards in the
carrier into devices or to split all cards into single-card devices.
• Right-click a card and select Move To»New Device to create a new device.
• Drag and drop a card into the desired device to create a multicard NI SwitchBlock
device.
6. Select OK to update the configuration tree in MAX.
Note If a device name has not been previously specified in the MAX
configuration tree, MAX will auto-generate a device name such as
SwitchBlock1Dev1.
7. Self-test the device by selecting the device in the configuration tree and clicking Self-Test
in the MAX toolbar.
The MAX self-test performs a basic verification of hardware resources.
Programming the NI SwitchBlock
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
8| ni.com | NI SwitchBlock
use NI-SWITCH to program the device in the application development environment (ADE) of
your choice.
Table 1. NI SwitchBlock 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 SwitchBlock.
NI-SWITCH
Instrument Driver
LabVIEW—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
SwitchBlock, 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 an NI-SWITCH
application.
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 ADEs 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.
NI SwitchBlock | © National Instruments | 9
Table 2. Locating NI-SWITCH Examples
ADE 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 <NIDocDir>\CVI\Samples
\niswitch directory, where <NIDocDir> is one of the
following directories:
• Windows 8/7/Vista—Users\Public\Public
Documents\National Instruments
• Windows XP—Documents and Settings\All
Users\Documents\National Instruments
Troubleshooting
If an issue persists after you complete a troubleshooting procedure, contact NI technical
support or visit ni.com/support.
What Should I Do if the NI SwitchBlock Doesn't Appear
in MAX?
1. In the MAX configuration tree, expand Devices and Interfaces.
2. Expand the Chassis tree to see the list of installed devices, and press <F5> to refresh the
list.
3. If the SwitchBlock carrier or SwitchBlock card is still not listed, power off the system,
ensure that all hardware is correctly installed, and restart the system.
4. Navigate to the Device Manager.
Operating System Description
Windows 8 Right-click the Start screen, and select All apps»Control Panel»
Hardware and Sound»Device Manager.
Windows 7 Select Start»Control Panel»Device Manager.
Windows Vista Select Start»Control Panel»System and Maintenance»Device
Manager.
Windows XP Select Start»Control Panel»System»Hardware»Device
Manager.
5. If you are using a PXI or PXI Express controller, verify that a National Instruments
entry appears in the system device list. Reinstall NI-SWITCH and the device if error
conditions appear in the list. If you are using an MXI controller, right-click PCI-to-PCI
Bridge, and select Properties from the shortcut menu to verify that the bridge is enabled.
10 | ni.com | NI SwitchBlock
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