National Instruments NI 9155 User manual

OPERATING INSTRUCTIONS AND SPECIFICATIONS
NI 9155
Reconfigurable Embedded Chassis with Integrated MXI-Express (x1)
Figure 1. NI 9155 Front Panel
This document describes how to connect the NI 9155 to a MXI-Express
host and one or more other chassis, and how to use the features of the
NI 9155. This document also contains specifications for the NI 9155. This
document refers inclusively to all reconfigurable embedded chassis with
integrated MXI-Express (x1), such as the NI 9154, NI 9155, NI 9157, and
NI 9159, as the NI 915x.
1LEDs
2 Upstream Port
3 MXI-Express LINK LEDs
4 Downstream Port
5 Power Connector
6 DIP Switches
C
C
V2
V1
INPUINPUT
9-30 V9-30 V
25W MA25W MAX
NO FPGA APNO FPGA APP
USER FPGAUSER FPGA1
USER FPGAUSER FPGA2
USER FPGAUSER FPGA3
P
USER FPGAUSER FPGA1
USER FPGAUSER FPGA2
USER FPGAUSER FPGA3
POWEROWER
USER FPGAUSER FPGA1
USER FPGAUSER FPGA2
USER FPGAUSER FPGA3
LINKLINK LINKLINK
UPSTREAMSTREAM
DOWNSTREAMDOWNSTREAM
MXI-Express RIOMXI-Express RIO
NI 9155
OFFOFF
3
2
4
5
6
1

NI 9155 Operating Instructions and Specifications 2 ni.com
Safety Guidelines
Operate the NI 9155 only as described in these operating instructions.
Safety Guidelines for Hazardous Locations
The NI 9155 is suitable for use in Class I, Division 2, Groups A, B, C, D,
T4 hazardous locations; Class 1, Zone 2, AEx nA IIC T4 and Ex nA IIC T4
hazardous locations; and nonhazardous locations only. Follow these
guidelines if you are installing the NI 9155 in a potentially explosive
environment. Not following these guidelines may result in serious injury or
death.
Caution Do not disconnect the power supply wires and connectors from the controller
unless power has been switched off.
Caution Substitution of components may impair suitability for Class I, Division 2.
Caution For Zone 2 applications, install the system in an enclosure rated to at least IP 54
as defined by IEC 60529 and EN 60529.
Special Conditions for Hazardous Locations Use
in Europe
Some chassis have been evaluated as Ex nA IIC T4 Gc equipment under
DEMKO Certificate No. 12 ATEX 1202658X. Each such chassis is marked
II 3G and is suitable for use in Zone 2 hazardous locations, in ambient
temperatures of 0 ≤Ta ≤55 °C.
Caution Provision shall be made to prevent the rated voltage being exceeded by the
transient disturbances of more than 140% of the peak rated voltage.
Caution The system shall be mounted in an ATEX certified enclosure with a minimum
ingress protection rating of at least IP54 as defined in IEC/EN 60529 and used in an
environment of not more than pollution degree 2.
Caution The enclosure must have a door or cover accessible only by the use of a tool.
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

©National Instruments 3 NI 9155 Operating Instructions and Specifications
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.
Special Guidelines for Marine Applications
Some products are Lloyd’s Register (LR) Type Approved for marine
(shipboard) applications. To verify Lloyd’s Register certification for a
product, visit ni.com/certification and search for the LR certificate,
or look for the Lloyd’s Register mark on the product label.
Caution In order to meet the EMC requirements for marine applications, install the
product in a shielded enclosure with shielded and/or filtered power and input/output ports.
In addition, take precautions when designing, selecting, and installing measurement probes
and cables to ensure that the desired EMC performance is attained.
What You Need to Install the NI 9155
❑NI 9155 reconfigurable embedded chassis with integrated
MXI-Express (x1)
❑One of the following MXI-Express (x1) host systems
– PXI system with MXI-Express device installed
– PC with MXI-Express PCI or PCIe device installed
– NI Industrial Controller
– NI cRIO-9081/9082 integrated system
Note The NI 9155 requires a host system with a PCI Express clock that complies with the
PCI Express Specification. The NI 9155 may not be compatible with systems using
noncompliant clocks, particularly clocks with peak frequencies higher than 100 MHz. For

NI 9155 Operating Instructions and Specifications 4 ni.com
more information about PCI Express clock compatibility with the NI 9155, go to ni.com/
info and enter the Info Code 915xclock.
❑C Series I/O modules
❑MXI-Express (x1) cable(s) up to 7 m long
❑DIN rail mount kit (for DIN rail mounting only)
❑Two M4 or number 8 panhead screws (for mounting the chassis
without one of the listed mounting kits)
❑Number 2 Phillips screwdriver
❑Power supply
❑MXI-Express (x1) for PXI Express User Manual
Notes Visit ni.com/info and enter the Info Code rdsoftwareversion to determine
which software you need to use the NI 9155.
Mounting the NI 9155
You can mount the chassis horizontally on a flat, vertical, metallic surface
such as a panel or wall. The maximum allowable ambient temperature for
operation in this kind of mounting configuration is 55 °C. You can also
mount the chassis on a DIN rail, on a desktop, or in a rack. However, only
panel or wall mounting as described in this document enables operation at
the maximum allowable ambient temperature. Any other mounting
configuration can also affect the typical accuracy of modules in the chassis.
Figure 2 shows the chassis mounted horizontally.
Figure 2. NI 9155 Mounted Horizontally
Note For more information about how different mounting configurations can cause
temperature derating, go to ni.com/info and enter the Info Code criomounting.
Up
NI 9155NI 9155

©National Instruments 5 NI 9155 Operating Instructions and Specifications
Note For more information about typical accuracy specifications for modules, go to
ni.com/info and enter the Info Code criotypical.
Note Measure the ambient temperature at each side of the chassis, 63.5 mm (2.5 in.) from
the side and 50.8 mm (2 in.) forward from the rear of the chassis, as shown in Figure 3.
Caution Your installation must meet the following requirements for space and cabling
clearance:
• Allow 50.8 mm (2 in.) on the top and the bottom of the chassis for air circulation.
• Allow 50.8 mm (2 in.) in front of modules for cabling clearance for common
connectors, such as the 10-terminal, detachable screw terminal connector, as shown
in Figure 3.
Note For information about the minimum cabling clearance for C Series modules with
other connector types, go to ni.com/info and enter the Info Code rdcrioconn.
Figure 3. NI 9155, Bottom View with Dimensions
Figure 4. NI 9155, Front View with Dimensions
1 Measure ambient temperature here.
1 Chassis Grounding Screw
29.1 mm
(1.14 in.)
52.5 mm
(2.07 in.)
50.8 mm
(2.00 in.)
1
63.5 mm
(2.50 in.)
89.4 mm
(3.52 in.)
264.3mm
(10.41 in.)
50.8 mm
(2.00 in.)
63.5 mm
(2.50 in.)
1
46.0 mm
(1.81 in.)
Cooling Outline
50.8 mm (2.00 in.)
88.1 mm
(3.47 in.)
Cooling Outline
50.8 mm (2.00 in.)
51.7 mm
(2.04 in.)
36.4 mm
(1.43in.)
19.0 mm
(0.75 in.)
165.1 mm
(6.50 in.)
3.5 mm
(0.14 in.)
1
NI 9155

NI 9155 Operating Instructions and Specifications 6 ni.com
Figure 5. NI 9155, Side View with Dimensions
Note For more information about the dimensions of the system, including detailed
dimensional drawings, go to ni.com/dimensions.
Note For more information about mounting the chassis in environments with high shock
and vibration, go to ni.com/info and enter the Info Code criomounting.
Caution Make sure that no I/O modules are in the chassis before mounting it.
Mounting the Chassis Directly on a Flat Surface
Using the Mounting Holes
For environments with high shock and vibration, National Instruments
requires mounting the chassis directly on a flat, rigid surface using the
mounting holes in the chassis. Complete the following steps to mount the
chassis:
1. Use the dimensions shown in Figure 4 to prepare the surface for
mounting the chassis.
2. Align the chassis on the surface.
3. Fasten the chassis to the surface using two M4 or number 8 screws, as
shown in Figure 6. National Instruments does not provide these screws
with the chassis.
44.1 mm
(1.73in.)
25.0 mm
(0.98 in.)
63.1 mm
(2.48 in.)
74.6 mm
(2.94 in.)
50.8 mm
(2.00 in.)

©National Instruments 7 NI 9155 Operating Instructions and Specifications
Figure 6. Mounting the NI 9155 Directly on a Flat Surface
Caution Make sure that no I/O modules are in the chassis before removing it from the
surface.
Mounting the Chassis on a DIN Rail Using the NI 9915 DIN Rail Mount Kit
Complete the following steps to mount the chassis on a DIN rail using the
NI 9915 DIN rail mount kit.
1. Fasten the DIN rail clip to the chassis using a number 2 Phillips
screwdriver and two M4 ×50 screws. National Instruments provides
these screws with the DIN rail mount kit. Tighten the screws to a
maximum torque of 1.3 N ⋅m (11.5 lb ⋅in.).
Figure 7. Installing the DIN Rail Clip on the NI 9155
NI 9155

NI 9155 Operating Instructions and Specifications 8 ni.com
2. Insert one edge of the DIN rail into the deeper opening of the DIN rail
clip, as shown in Figure 8.
Figure 8. Attaching the DIN Rail Clip to the DIN Rail
3. Press down firmly on the chassis to compress the spring until the clip
locks in place on the DIN rail.
Installing C Series I/O Modules in the Chassis
Figure 9 shows the mechanical dimensions of C Series I/O modules.
Figure 9. C Series I/O Module, Front and Side View with Dimensions
1 DIN Rail Clip 2 DIN Rail 3 DIN Rail Spring
3
2
1
22.9 mm
(0.90 in.)
88.1 mm
(3.47 in.)
70.7 mm
(2.78 in.)

©National Instruments 9 NI 9155 Operating Instructions and Specifications
Complete the following steps to install a C Series I/O module in the chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the
system is in a nonhazardous location, the chassis power can be on
when you install I/O modules.
2. Align the I/O module with an I/O module slot in the chassis as shown
in Figure 10. The module slots are labeled 1 to 8, left to right.
Figure 10. Installing an I/O Module in the Chassis
3. Squeeze the latches and insert the I/O module into the module slot.
4. Press firmly on the connector side of the I/O module until the latches
lock the I/O module into place.
5. Repeat these steps to install additional I/O modules.
1 Insertion Groove 2Latch
1
2

NI 9155 Operating Instructions and Specifications 10 ni.com
Removing I/O Modules from the Chassis
Complete the following steps to remove a C Series I/O module from the
chassis.
1. Make sure that no I/O-side power is connected to the I/O module. If the
system is in a nonhazardous location, the chassis power can be on
when you remove I/O modules.
2. Squeeze the latches on both sides of the module and pull the module
out of the chassis.
Connecting the Chassis to Earth Ground
You must connect the chassis grounding screw to earth ground. Refer to
Figure 4 for the location of the grounding screw. Complete the following
steps to connect to earth ground:
1. Attach a ring lug to a 2.05 mm diameter (12 AWG) or larger wire.
2. Remove the grounding screw from the grounding terminal on the right
side of the chassis.
3. Attach the ring lug to the grounding terminal.
4. Tighten the grounding screw to 0.5 N · m (4.4 lb · in.) of torque.
5. Attach the other end of the wire to earth ground using a method
appropriate for the application.
Note If you use shielded cabling to connect to a C Series I/O module with a plastic
connector, you must attach the cable shield to the chassis grounding terminal using 1.3 mm
diameter (16 AWG) or larger wire. Use shorter wire for better EMC performance.
For more information about earth ground connections, go to ni.com/info
and enter the Info Code earthground.
Wiring Power to the Chassis
The NI 9155 requires an external power supply that meets the
specifications in the Power Requirements section. The NI 9155 filters and
regulates the supplied power and provides power for all of the I/O modules.
You must connect a power supply to at least one pair of V and C terminals.
Optionally, you can connect a second power supply to the other pair of
V and C terminals. The chassis draws power from the power supply with
the higher voltage. The NI 9155 has one layer of reversed-voltage
protection. Complete the following steps to connect a power supply to
the chassis.

©National Instruments 11 NI 9155 Operating Instructions and Specifications
1. Connect the positive lead of the power supply to the V1 or V2 terminal
of the COMBICON connector shipped with the NI 9155.
2. Connect the negative lead of the power supply to one of the C terminals
of the COMBICON connector.
3. Optionally, you can connect the positive lead of another power supply
to the other V terminal and the negative lead to one of the C terminals.
4. Install the COMBICON connector on the front panel of the NI 9155.
Caution To ensure the specified EMC performance, do not connect the power input to a
DC mains supply or to any supply requiring a connecting cable longer than 3 m (10 ft).
A DC mains supply is a local DC electricity supply network in the infrastructure of a
certain site or building.
Note The chassis draws power from either V1 or V2 depending on which terminal has a
higher voltage. It does not draw power from both terminals. The chassis switches between
V1 and V2 without affecting operation.
Note If you prefer for the chassis to draw power from one power supply, you must ensure
that the voltage of that power supply, measured at the chassis power connector, is at least
500 mV higher than the voltage of the other power supply.
Caution The C terminals are internally connected to each other. If you use two power
supplies, make sure that they share a common ground.
Caution The C terminals are internally connected to the body of the chassis to prevent a
faulty ground connection from causing the chassis ground to float. If you reverse the input
voltage, the positive input voltage is connected directly to the chassis. The chassis has
built-in reversed-voltage protection, but reversed voltage can damage connected
peripherals if the chassis ground is not reliably connected to earth ground.
Caution Do not tighten or loosen the terminal screws on the power connector while the
power connector is plugged into the chassis or while the power supply is on.
Connecting One or More NI 915x Chassis
to the MXI-Express Host System
Complete the following steps to connect one or more NI 915x chassis to a
MXI-Express host system.
1. Make sure the MXI-Express host system is set up and configured as
described in the MXI-Express (x1) for PXI Express User Manual.
2. If the MXI-Express host system is powered up, power it down.
3. If the NI 915x is powered up, power it down.

NI 9155 Operating Instructions and Specifications 12 ni.com
4. Use a MXI-Express cable to connect the MXI-Express host system to
the Upstream port of the first NI 915x in the chain.
5. Use a MXI-Express cable to connect the Downstream port of the
first NI 915x to the Upstream port of the next NI 915x in the chain.
Note The maximum number of NI 915x chassis in a chain depends on the system
configuration. For example, a PXI system with an NI PXI-8196 controller can support
four chassis per chain. Different types of systems may support more or fewer chassis per
chain. For more information about how different system configurations can affect the
maximum number of chassis in a chain, go to ni.com/info and enter the Info Code
915xchain.
6. Power up all of the connected NI 915x chassis.
7. Power up the MXI-Express host system.
Caution All connected NI 915x chassis must have power connected before the host system
is powered up. The BIOS and OS of the host system must detect all bus segments on the
chassis side in order to configure the PCI hierarchy. Powering connected chassis up or
down while the host system is running can cause system hangs and data corruption.
Caution Do not remove MXI-Express cables while power is connected. Doing so can
cause hangs or application errors. If a cable becomes unplugged, plug it back in and reboot.
Chassis Powerup Options
Table 1 lists the reset options available for the NI 9155. These options
determine how the chassis behaves when it is powered on in various
conditions. Use the RIO Device Setup utility to select reset options. Access
the RIO Device Setup utility by selecting Start»All Programs»National
Instruments»NI-RIO»RIO Device Setup.
If you want the NI 9155 to autoload and run a VI at powerup, you must also
configure the VI to autoload before you compile it. For more information
about autoloading VIs, refer to LabVIEW FPGA Module Help.
Table 1. Chassis Powerup Options
Powerup Option Behavior
Do Not Autoload VI Does not load the FPGA bit stream from flash memory.
Autoload VI on device powerup Loads the FPGA bit stream from flash memory to the FPGA
when the chassis powers on.

©National Instruments 13 NI 9155 Operating Instructions and Specifications
Checking MXI-Express LINK LEDs for Status
After powering on the chassis and host system, check the MXI-Express
LINK LEDs to ensure that all connected systems are linked and
communicating properly. The MXI-Express LINK LEDs of the NI 9155
indicate the following:
Note For information about PCI Express clock compatibility with the NI 9155, go to
ni.com/info and enter the Info Code 915xclock.
Powering Down the MXI-Express System
Always power down the host system before powering down any connected
NI 9155 chassis. When the host system is powered down, the order in
which connected NI 9155 chassis are powered down is not important.
Configuring DIP Switches
Figure 11. DIP Switches
All of the DIP switches are in the OFF position when the chassis is shipped
from National Instruments.
Table 2. NI 9155 MXI-Express LINK LED Indications
LINK LED Appearance Meaning
Off Chassis power is off.
Solid yellow Link is not established.
Solid green Link is established.
Blinking yellow PCI Express clock is incompatible with
NI 9155.
NO FPGA APP
USER FPGA1
USER FPGA2
USER FPGA3
OFF

NI 9155 Operating Instructions and Specifications 14 ni.com
NO FPGA APP Switch
Push the NO FPGA APP switch to the ON position to prevent a
LabVIEW FPGA application from loading at startup. The NO FPGA APP
switch overrides the chassis powerup options described in the Chassis
Powerup Options section. After startup you can download to the FPGA
from software regardless of switch position.
USER FPGA Switches
You can define the USER FPGA switches for your application. Use the
LabVIEW FPGA Module and NI-RIO software to define the USER FPGA
switches to meet the needs of your application. Refer to LabVIEW Help for
information about programming these switches.
Understanding LED Indications
Figure 12. NI 9155 LEDs
POWER LED
The POWER LED is lit while the NI 9155 is powered on. This LED is a
bi-color LED. When the chassis is powered from V1, the POWER LED is
lit green. When the chassis is powered from V2, the POWER LED is lit
yellow.
USER FPGA LEDs
You can use the bi-color, yellow and green USER FPGA LEDs to help
debug your application or easily retrieve application status. Use the
LabVIEW FPGA Module and NI-RIO software to define the USER FPGA
LEDs to meet the needs of your application. Refer to LabVIEW Help for
information about programming these LEDs.
P
USER FPGA1
USER FPGA2
USER FPGA3
POWER
USER FPGA1
USER FPGA2
USER FPGA3

©National Instruments 15 NI 9155 Operating Instructions and Specifications
Specifications
The following specifications are typical for the 0 to 55 °C operating
temperature range unless otherwise noted. These specifications are for
the NI 9155 reconfigurable embedded chassis only. For I/O module
specifications, refer to the module operating instructions.
MXI-Express
Maximum cable length........................... 7 m
Reconfigurable FPGA
FPGA type.............................................. Virtex-5 LX85
Number of flip-flops .............................. 51,840
Number of 6-input LUTs ....................... 51,840
Number of DSP48 slices ........................ 48
Available block RAM ............................ 3,456 kbits
Timebases............................................... 40, 80, 120, 160, or 200 MHz
Accuracy ......................................... ±100 ppm (max)
Frequency dependent jitter (peak-to-peak)
40 MHz .................................... 250 ps
80 MHz .................................... 422 ps
120 MHz .................................. 422 ps
160 MHz .................................. 402 ps
200 MHz .................................. 402 ps
Power Requirements
Voltage input range................................ 9 to 30 VDC
Maximum power input........................... 30 W
Maximum power consumption
With no I/O modules....................... 14.6 W
With 8 I/O modules......................... 23.0 W
Note The power consumption specifications in this document are maximum values for a
LabVIEW FPGA application compiled at 80 MHz. Your application power requirements
may be different. To calculate the power requirements of the NI 9155, add the power
consumption/dissipation for the chassis and the I/O modules you are using. Keep in mind

NI 9155 Operating Instructions and Specifications 16 ni.com
that the resulting total power consumption is a maximum value and that the NI 9155 may
require less power in your application. For more information about the I/O module power
requirements, refer to the module operating instructions.
Physical Characteristics
If you need to clean the chassis, wipe it with a dry towel.
Screw-terminal wiring ............................ 1.02 mm diameter (18 AWG) to
2.05 mm diameter (12 AWG)
copper conductor wire with
10 mm (0.39 in.) of insulation
stripped from the end
Torque for screw terminals.....................0.5 to 0.6 N · m
(4.4 to 5.3 lb · in.)
Chassis weight ........................................1,600 g (56.4 oz)
Environmental
Operating temperature
(IEC-60068-2-1 and IEC-60068-2-2) .....0 °C to 55 °C
Note Refer to the mounting instructions in the Mounting the NI 9155 section of
this document. Failure to follow the mounting instructions in that section can cause
temperature derating. For more information about mounting configurations and
temperature derating, go to ni.com/info and enter the Info Code criomounting.
Storage temperature
(IEC-60068-2-1 and IEC-60068-2-2) .....-40 °C to 85 °C
Ingress protection ...................................IP 40
Operating humidity (IEC-60068-2-56)...10 to 90% RH, noncondensing
Storage humidity (IEC-60068-2-56) ......5 to 95% RH, noncondensing
Maximum altitude...................................2,000 m
Pollution Degree (IEC 60664) ................2
Indoor use only

©National Instruments 17 NI 9155 Operating Instructions and Specifications
Shock and Vibration
To meet these specifications, you must mount the chassis directly on a flat,
rigid surface as described in the Mounting the Chassis Directly on a Flat
Surface Using the Mounting Holes section, affix ferrules to the ends of the
terminal lines, and provide strain relief for all cables.
Operating vibration,
random (IEC 60068-2-64)...................... 5 grms, 10 to 500 Hz
Operating vibration,
sinusoidal (IEC 60068-2-6).................... 5 g, 10 to 500 Hz
Operating shock (IEC 60068-2-27)........ 30 g, 11 ms half sine,
50 g, 3 ms half sine,
18 shocks at 6 orientations
Safety
Safety Voltages
Connect only voltages that are within these limits.
V-to-C .................................................... 30 VDC max, Measurement
Category I
Measurement Category I is for measurements performed on circuits not
directly connected to the electrical distribution system referred to as
MAINS voltage. MAINS is a hazardous live electrical supply system that
powers equipment. This category is for measurements of voltages from
specially protected secondary circuits. Such voltage measurements include
signal levels, special equipment, limited-energy parts of equipment,
circuits powered by regulated low-voltage sources, and electronics.
Caution Do not connect to signals or use for measurements within Measurement
Categories II, III, or IV.
Electromagnetic Compatibility
This product meets the requirements of the following EMC standards for
electrical equipment for measurement, control, and laboratory use:
• EN 61326-1 (IEC 61326-1): Class A emissions; Industrial immunity
• EN 55011 (CISPR 11): Group 1, Class A emissions
• AS/NZS CISPR 11: Group 1, Class A emissions
• FCC 47 CFR Part 15B: Class A emissions
• ICES-001: Class A emissions

NI 9155 Operating Instructions and Specifications 18 ni.com
Note In the United States (per FCC 47 CFR), Class A equipment is intended for use in
commercial, light-industrial, and heavy-industrial locations. In Europe, Canada, Australia,
and New Zealand (per CISPR 11), Class A equipment is intended for use only in
heavy-industrial locations.
Note Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical
equipment that does not intentionally generate radio-frequency energy for the treatment of
material or inspection/analysis purposes.
Note For EMC declarations and certifications, and additional information, refer to the
Online Product Certification section.
CE Compliance
This product meets the essential requirements of applicable European
Directives as follows:
• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)
Online Product Certification
Refer to Declaration of Conformity (DoC) for this product for additional
regulatory compliance information. To obtain product certifications and the
DoC for this product, visit ni.com/certification, search by model
number or product line, and click the appropriate link in the Certification
column.
Environmental Management
NI is committed to designing and manufacturing products in an
environmentally responsible manner. NI recognizes that eliminating
certain hazardous substances from our products is beneficial to the
environment and to NI customers.
For additional environmental information, refer to the Minimize Our
Environmental Impact web page at ni.com/environment. This page
contains the environmental regulations and directives with which NI
complies, as well as other environmental information not included in this
document.

©National Instruments 19 NI 9155 Operating Instructions and Specifications
Waste Electrical and Electronic Equipment (WEEE)
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 Electrical and Electronic Equipment, visit ni.com/environment/weee.
Hazardous Locations
U.S. (UL) ................................................Class I, Division 2, Groups A, B,
C, D, T4; Class I, Zone 2, AEx nA
IIC T4
Canada (C-UL) .......................................Class I, Division 2, Groups A, B,
C, D, T4; Class I, Zone 2, Ex nA
IIC T4
Europe (DEMKO) ..................................Ex nA IIC T4 Gc
Where to Go for Support
National Instruments corporate headquarters is located at 11500 North
Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also
has offices located around the world to help address your support needs.
For telephone support in the United States, create a service request at
ni.com/support and follow the calling instructions 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 Web
sites, which provide up-to-date contact information, support phone
numbers, email addresses, and current events.
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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.
© 2012 National Instruments. All rights reserved. 375994A-01 Dec12