National Instruments FieldPoint FP-AI-110 User manual

National Instruments FP-AI-110 Manual
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FieldPoint™Operating Instructions
FP-AI-110 and cFP-AI-110
Eight-Channel, 16-Bit Analog Input Modules
These operating instructions describe how to install and use the
FP-AI-110 and cFP-AI-110 analog input modules (referred to
inclusively as the [c]FP-AI-110). For information about
configuring and accessing the [c]FP-AI-110 over a network, refer
to the user manual for the FieldPoint network module you are
using.
Features
The [c]FP-AI-110 is a FieldPoint analog input module with the
following features:
• Eight analog voltage or current input channels
• Eight voltage input ranges: 0–1 V, 0–5 V, 0–10 V, ±60 mV,
±300 mV, ±1V,±5V,and±10 V
• Three current input ranges: 0–20, 4–20, and ±20 mA
• 16-bit resolution
• Three filter settings: 50, 60, and 500 Hz
• 250 Vrms CAT II continuous channel-to-ground isolation,
verified by 2,300 Vrms dielectric withstand test
• –40 to 70 °C operation
• Hot swappable
Installing the FP-AI-110
The FP-AI-110 mounts on a FieldPoint terminal base (FP-TB-x),
which provides operating power to the module. Installing the
FP-AI-110 onto a powered terminal base does not disrupt the
operation of the FieldPoint bank.

FP-AI-110 and cFP-AI-110 2 ni.com
To install the FP-AI-110, refer to Figure 1 and complete the
following steps:
1. Slide the terminal base key to either position X (used for any
module) or position 1 (used for the FP-AI-110).
2. Align the FP-AI-110 alignment slots with the guide rails on the
terminal base.
3. Press firmly to seat the FP-AI-110 on the terminal base. When
the FP-AI-110 is firmly seated, the latch on the terminal base
locks it into place.
Figure 1. Installing the FP-AI-110
Installing the cFP-AI-110
The cFP-AI-110 mounts on a Compact FieldPoint backplane
(cFP-BP-x), which provides operating power to the module.
Installing the cFP-AI-110 onto a powered backplane does not
disrupt the operation of the FieldPoint bank.
To install the cFP-AI-110, refer to Figure 2 and complete the
following steps:
1. Align the captive screws on the cFP-AI-110 with the holes on
the backplane. The alignment keys on the cFP-AI-110 prevent
backward insertion.
2. Press firmly to seat the cFP-AI-110 on the backplane.
3. Using a number 2 Phillips screwdriver with a shank of at least
64 mm (2.5 in.) length, tighten the captive screws to 1.1 N ⋅m
1 I/O Module
2 Terminal Base
3 Alignment Slot
4Key
5Latch
6 Guide Rails
1
3
2
4
5
6

© National Instruments Corp. 3 FP-AI-110 and cFP-AI-110
(10 lb ⋅in.) of torque. The nylon coating on the screws prevents
them from loosening.
Figure 2. Installing the cFP-AI-110
Wiring the [c]FP-AI-110
The FP-TB-xterminal base has connections for each of the eight
input channels and for an external power supply to power field
devices. The cFP-CB-xconnector block provides the same
connections. Each channel has separate input terminals for voltage
(VIN) and current (IIN) input. Voltage and current inputs are
referenced to the COM terminals, which are internally connected
to each other and to the C terminals. All eight VSUP terminals are
internally connected to each other and to the V terminals.
You can use a 10–30 VDC external supply to power field devices.
Connect the external power supply to multiple V and VSUP
terminals so that the maximum current through any V terminal
1cFP-DI-300
2CaptiveScrews
3 cFP Controller Module
4 Screw Holes
5cFPBackplane
2
2
1
3 5
4
4

FP-AI-110 and cFP-AI-110 4 ni.com
is 2 A or less and the maximum current through any VSUP terminal
is 1 A or less.
Install a 2 A maximum, fast-acting fuse between the external
power supply and the V terminal on each channel. The wiring
diagrams in this document show fuses where appropriate.
Table 1 lists the terminal assignments for the signals associated
with each channel. The terminal assignments are the same for the
FP-TB-xterminal bases and the cFP-CB-xconnector blocks.
Caution Do not connect both current and voltage inputs
to the same channel.
Caution Cascading power between two modules defeats
isolation between those modules. Cascading power from
the network module defeats all isolation between
modules in the FieldPoint bank.
Table 1. Terminal Assignments
Channel
Terminal Numbers
VIN1IIN2VSUP3COM
0 1 2 17 18
1 3 4 19 20
2 5 6 21 22
3 7 8 23 24
4 9 10 25 26
511 12 27 28
613 14 29 30
715 16 31 32
1 Install a 2 A, fast-acting fuse on each VIN terminal.
2 Install a 2 A, fast-acting fuse on each IIN terminal.
3Install a 2 A maximum, fast-acting fuse on each VSUP terminal.

© National Instruments Corp. 5 FP-AI-110 and cFP-AI-110
Taking Measurements
with the [c]FP-AI-110
The [c]FP-AI-110 has eight single-ended input channels. All eight
channels share a common ground reference that is isolated from
other modules in the FieldPoint system. Figure 3 shows the analog
input circuitry on one channel.
Figure 3. FP-AI-110 Analog Input Circuit
Measuring Voltage with the [c]FP-AI-110
The input ranges for voltage signals are 0–1 V, 0–5 V, 0–10 V,
±60 mV, ±300 mV, ±1V,±5 V, and ±10 V.
Figure 4 shows how to connect a voltage source without an
external power supply to one channel of the [c]FP-AI-110.
Figure 4. Voltage Source without External Power Supply
VIN
VSUP
COM
IIN
V
C
16-Bit
Isolated ADC
Filter
Filter
VSUP
VIN
VC
To Analog
Input Circuitry
To Next Channel
>100 MΩ
Input
Impedance
COM
[c]FP-AI-110
Voltage
Source
+
–
IIN

FP-AI-110 and cFP-AI-110 6 ni.com
Figure 5 shows how to connect a voltage source with an external
power supply to one channel of the [c]FP-AI-110.
Figure 5. Voltage Source with External Power Supply
Measuring Current with the [c]FP-AI-110
The input ranges for current sources are 0–20, 4–20, and ±20 mA.
The module reads current flowing into the IIN terminal as positive
and current flowing out of the terminal as negative. Current flows
into the IIN terminal, goes through a 100 Ωresistor, and flows out
from the COM or C terminal.
Figure 6 shows how to connect a current source without an external
power supply to one channel of the [c]FP-AI-110.
VSUP
VIN
VC
To Analog
Input Circuitry
To Next Channel
COM
[c]FP-AI-110
IIN
Powered
Voltage
Transducer
OUT
+
–
+
–
10–30 VDC
External
Power Supply
(Optional)
2 A
Max
1 A
Max

© National Instruments Corp. 7 FP-AI-110 and cFP-AI-110
Figure 6. Current Source without External Power Supply
Figure 7 shows how to connect a current source with an external
power supply to one channel of the [c]FP-AI-110.
Figure 7. Current Source with External Power Supply
Input Ranges
To prevent inaccurate readings, choose an input range such that the
signal you are measuring does not exceed either end of the range.
VSUP
VIN
VC
To Analog
Input Circuitry
To Next Channel
COM
[c]FP-AI-110
IIN
Current
Source
1 A
Max
VSUP
VIN
VC
To Analog
Input Circuitry
To Next Channel
COM
[c]FP-AI-110
IIN
+
–
Loop-Powered
Current
Transducer
10–30 VDC
External
Power Supply
(Optional)
1 A
Max
2 A
Max

FP-AI-110 and cFP-AI-110 8 ni.com
Overranging
The [c]FP-AI-110 has an overranging feature that measures a little
beyond the nominal values of each range. For example, the actual
measurement limit of the ±10 V range is ±10.4 V. The overranging
feature enables the [c]FP-AI-110 to compensate for field devices
with span errors of up to +4% of full scale. Also, with the
overranging feature, a noisy signal near full scale does not create
rectification errors.
Filter Settings
Three filter settings are available for each channel. The filters on
the [c]FP-AI-110 input channels are comb filters that provide
notches of rejection at multiples, or harmonics, of a fundamental
frequency. You can select a fundamental frequency of 50, 60, or
500 Hz. The [c]FP-AI-110 applies 95 dB of rejection at the
fundamental frequency and at least 60 dB of rejection at each of
the harmonics. In many cases, most of the noise components of
input signals are related to the local AC power line frequency, so
a filter setting of either 50 or 60 Hz is best.
The filter setting determines the rate at which the [c]FP-AI-110
samples the inputs. The [c]FP-AI-110 resamples all of the channels
at the same rate. If you set all of the channels to the 50 or 60 Hz
filter, the [c]FP-AI-110 samples each channel every 1.470 s or
every 1.230 s, respectively. If you set all of the channels to 500 Hz
filters, the module samples each channel every 0.173 s. When you
select different filter settings for different channels, use the
following formula to determine the sampling rate.
(number of channels with 50 Hz filter) ×184 ms +
(number of channels with 60 Hz filter) ×154 ms +
(number of channels with 500 Hz filter) ×21.6 ms =
Update Rate
If you are not using some of the [c]FP-AI-110 channels, set them
to the 500 Hz filter setting to improve the response time of the
module. For example, if one channel is set for a 60 Hz filter, and
the other seven channels are set to 500 Hz, the module samples
each channel every 0.3 s (four times faster than the case in which
all eight channels are set to the 60 Hz setting).
The sampling rate does not affect the rate at which the network
module reads the data. The [c]FP-AI-110 always has data available
for the network module to read; the sampling rate is the rate at
which this data is updated. Set up your application so that the

© National Instruments Corp. 9 FP-AI-110 and cFP-AI-110
sampling rate is faster than the rate at which the network module
polls the [c]FP-AI-110 for data.
Status Indicators
The [c]FP-AI-110 has two green status LEDs, POWER and
READY. After you insert the [c]FP-AI-110 into a terminal base or
backplane and apply power to the connected network module, the
green POWER LED lights and the [c]FP-AI-110 informs the
network module of its presence. When the network module
recognizes the [c]FP-AI-110, it sends initial configuration
information to the [c]FP-AI-110. After the [c]FP-AI-110 receives
this initial information, the green READY LED lights and the
module is in normal operating mode. A blinking or unlit READY
LED indicates an error condition.
Upgrading the FieldPoint Firmware
You may need to upgrade the FieldPoint firmware when you add
new I/O modules to the FieldPoint system. For information on
determining which firmware you need and how to upgrade your
firmware, go to ni.com/info and enter fpmatrix.
Isolation and Safety Guidelines
Caution Read the following information before
attempting to connect the [c]FP-AI-110 to any circuits
that may contain hazardous voltages.1
This section describes the isolation of the [c]FP-AI-110 and
its compliance with international safety standards. The field
wiring connections are isolated from the backplane and the
inter-module communication bus. The isolation barriers in the
module provide 250 Vrms Measurement Category II continuous
channel-to-backplane and channel-to-ground isolation, verified by
2,300 Vrms, 5 s dielectric withstand test.2The [c]FP-AI-110
provides double insulation (compliant with IEC 61010-1) for
1 A hazardous voltage is a voltage greater than 42.4 Vpeak or 60 VDC. When a
hazardous voltage is present on any channel, all of the channels must be considered
to be carrying hazardous voltages. Ensure that all circuits connected to the module
are inaccessible to human touch.
2 Refer to the Safety Isolation Voltage section for more information about isolation on
the [c]FP-AI-110.

FP-AI-110 and cFP-AI-110 10 ni.com
working voltages of 250 Vrms1. Safety standards (such as those
published by UL and IEC) require the use of double insulation
between hazardous voltages and any human-accessible parts or
circuits.
Never try to use any isolation product between human-accessible
parts (such as DIN rails or monitoring stations) and circuits that
can be at hazardous potentials under normal conditions, unless the
product is specifically designed for such an application, as is the
[c]FP-AI-110.
Even though the [c]FP-AI-110 is designed to handle applications
with hazardous potentials, follow these guidelines to ensure a safe
total system:
• There is no isolation between channels on the [c]FP-AI-110. If
a hazardous voltage is present on any channel, all channels are
considered hazardous. Make sure that all other devices and
circuits connected to the module are properly insulated from
human contact.
•Donot share the external supply voltages (the V and C
terminals) with other devices (including other FieldPoint
devices), unless those devices are isolated from human contact.
• For Compact FieldPoint, you must connect the protective earth
(PE) ground terminal on the cFP-BP-xbackplane to the system
safety ground. The backplane PE ground terminal has the
following symbol stamped beside it: . Connect the
backplane PE ground terminal to the system safety ground
using 14 AWG (1.6 mm) wire with a ring lug. Use the 5/16 in.
panhead screw shipped with the backplane to secure the ring
lug to the backplane PE ground terminal.
• As with any hazardous voltage wiring, make sure that all
wiring and connections meet applicable electrical codes and
commonsense practices. Mount terminal bases and backplanes
in an area, position, or cabinet that prevents accidental or
unauthorized access to wiring that carries hazardous voltages.
•Donot use the [c]FP-AI-110 as the only isolating barrier
between human contact and working voltages higher than
250 Vrms .
1 Working voltage is defined as the signal voltage plus the common-mode voltage.
Common-mode voltage is the voltage of the module with respect to ground.

© National Instruments Corp. 11 FP-AI-110 and cFP-AI-110
• Operate the [c]FP-AI-110 only at or below Pollution Degree 2.
Pollution Degree 2 means that only nonconductive pollution
occurs in most cases. Occasionally, however, a temporary
conductivity caused by condensation must be expected.
• Operate the [c]FP-AI-110 at or below Measurement
Category II. Measurement Category II is for measurements
performed on circuits directly connected to the low-voltage
installation. This category refers to local-level distribution,
such as that provided by a standard wall outlet.
Safety Guidelines for Hazardous Locations
The [c]FP-AI-110 is suitable for use in Class I, Division 2, Groups
A, B, C, and D hazardous locations; Class 1, Zone 2, AEx nC IIC
T4 and Ex nC IIC T4 hazardous locations; and nonhazardous
locations only. Follow these guidelines if you are installing the
[c]FP-AI-110 in a potentially explosive environment. Failing to
follow these guidelines may result in serious injury or death.
Caution Do not disconnect I/O-side wires or connectors
unless power has been switched off or the area is known
to be nonhazardous.
Caution Do not remove modules unless power has been
switched off or the area is known to be nonhazardous.
Caution Substitution of components may impair
suitability for Class I, Division 2.
Caution For Zone 2 applications, install the Compact
FieldPoint system in an enclosure rated to at least IP 54
as defined by IEC 60529 and EN 60529.
Special Conditions for Safe Use in Europe
This equipment has been evaluated as EEx nC IIC T4 equipment
under DEMKO Certificate No. 03 ATEX 0251502X. Each module
is marked II 3G and is suitable for use in Zone 2 hazardous
locations.
Caution For Zone 2 applications, connected signals must
be within the following limits:
Capacitance .......................... 20 µF max
Inductance ............................ 0.2 H max

FP-AI-110 and cFP-AI-110 12 ni.com
Safety Guidelines for Hazardous Voltages
If hazardous voltages are connected to the module, take the
following precautions. A hazardous voltage is a voltage greater
than 42.4 Vpeak or 60 VDC to earth ground.
Caution Ensure that hazardous voltage wiring is
performed only by qualified personnel adhering to local
electrical standards.
Caution Do not mix hazardous voltage circuits and
human-accessible circuits on the same module.
Caution Make sure that devices and circuits connected to
the module are properly insulated from human contact.
Caution When terminals on the connector block are live
with hazardous voltages, make sure that the terminals are
not accessible.
Specifications
The following specifications are typical for the range –40 to 70 °C
unless otherwise noted. Gain errors are given as a percentage of
input signal value. Specifications are subject to change without
notice.
Input Characteristics
Number of channels.......................... 8
ADC resolution................................. 16 bits at 50 or 60 Hz;
10 bits at 500 Hz
Type of ADC..................................... Delta-sigma

© National Instruments Corp. 13 FP-AI-110 and cFP-AI-110
Effective resolution by input signal range and filter setting
Input characteristics by filter setting
Normal-mode rejection..................... 95 dB (with 50/60 Hz filter)
Nonlinearity ...................................... 0.0015% (monotonicity1
guaranteed over the
operating temperature range)
Voltage Inputs
Input impedance................................ >100 MΩ
Overvoltage protection ..................... ±40 V
Nominal
Input Range
With
Overranging
Effective
Resolution
with 50 or
60 Hz Filter
Enabled*
Effective
Resolution
with 500 Hz
or No Filter
Enabled*
Voltage ±60 mV
±300 mV
±1 V
±5 V
±10 V
0–1 V
0–5 V
0–10 V
±65 mV
±325 mV
±1.04 V
±5.2 V
±10.4 V
0–1.04 V
0–5.2 V
0–10.4 V
3 µV
16 µV
40 µV
190 µV
380 µV
20 µV
95 µV
190 µV
25 µV
100 µV
300 µV
1,500 µV
3,000 µV
300 µV
1,500 µV
3,000 µV
Current 0–20 mA
4–20 mA
±20 mA
0–21 mA
3.5–21 mA
±21 mA
0.5 µA
0.5 µA
0.7 µA
15 µA
15 µA
16 µA
*Includes quantization errors and rms noise.
Characteristic
Filter Settings
50 Hz 60 Hz 500 Hz
Update rate*1.470 s 1.230 s 0.173 s
Effective resolution 16 bits 16 bits 10 bits
Input bandwidth (–3 dB) 13 Hz 16 Hz 130 Hz
* Applies when all eight channels are set to the same filter setting.
1 A characteristic of an ADC in which the digital code output always increases as the
value of the analog input to it increases.

FP-AI-110 and cFP-AI-110 14 ni.com
Input current
25 °C........................................... 400 pA typ, 1 nA max
70 °C........................................... 3 nA typ, 15 nA max
Input noise (with 50 or 60 Hz filter enabled)
±60 mV range............................. ±3 LSB1peak-to-peak
±300 mV range........................... ±2 LSB peak-to-peak
Other ranges ............................... ±1 LSB peak-to-peak
Typical and warranted accuracy by input range and temperature
range
1 Least significant bit: the smallest voltage change detectable by the ADC.
Nominal
Input Range
Typical Accuracy
at 15 to 35 °C
(% of Reading;
% of Full Scale)
Warranted Accuracy
at 15 to 35 °C
(% of Reading;
% of Full Scale)
±60 mV ±0.04%; ±0.05% ±0.05%; ±0.3%
±300 mV ±0.04%; ±0.015% ±0.06%; ±0.1%
±1 V ±0.04%; ±0.008% ±0.05%; ±0.04%
±5 V ±0.04%; ±0.005% ±0.06%; ±0.02%
±10 V ±0.04%; ±0.005% ±0.06%; ±0.02%
0–1 V ±0.04%; ±0.005% ±0.05%; ±0.03%
0–5 V ±0.04%; ±0.003% ±0.06%; ±0.01%
0–10 V ±0.04%; ±0.003% ±0.06%; ±0.01%
Nominal
Input Range
Typical Accuracy
at –40 to 70 °C
(% of Reading;
% of Full Scale)
Warranted Accuracy
at –40 to 70 °C
(% of Reading;
% of Full Scale)
±60 mV ±0.06%; ±0.35% ±0.10%; ±1.5%
±300 mV ±0.07%; ±0.08% ±0.11%; ±0.40%
±1 V ±0.06%; ±0.03% ±0.10%; ±0.13%
±5 V ±0.07%; ±0.01% ±0.11%; ±0.04%
±10 V ±0.07%; ±0.01% ±0.11%; ±0.03%

© National Instruments Corp. 15 FP-AI-110 and cFP-AI-110
Note Full scale is the maximum value of the nominal
input range. For example, for the ±10 V input range,
full scale is 10 V and ±0.01% of full scale is 1 mV.
Gain error drift.................................. ±20 ppm/°C
Offset error drift
With 50 or 60 Hz
filter enabled............................... ±6µV/°C
With 500 Hz filter enabled ......... ±15 µV/°C
Current Inputs
Input impedance................................ 60–150 Ω
Overvoltage protection ..................... ±25 V
Input noise (50 or 60 Hz filter) ......... 0.3 µA rms
Typical and warranted accuracy by temperature range
Offset error drift................................ ±100 nA/°C
Gain error drift.................................. ±40 ppm/°C
0–1 V ±0.06%; ±0.025% ±0.10%; ±0.12%
0–5 V ±0.07%; ±0.007% ±0.11%; ±0.03%
0–10 V ±0.07%; ±0.005% ±0.11%; ±0.02%
Typical Accuracy
at 15 to 35 °C
(% of Reading; % of Full Scale)
Warranted Accuracy
at 15 to 35 °C
(% of Reading; % of Full Scale)
±0.08%; ±0.010% ±0.11%; ±0.012%
Typical Accuracy
at –40 to 70 °C
(% of Reading; % of Full Scale)
Warranted Accuracy
at –40 to 70 °C
(% of Reading; % of Full Scale)
±0.16%; ±0.016% ±0.3%; ±0.048%
Nominal
Input Range
Typical Accuracy
at –40 to 70 °C
(% of Reading;
% of Full Scale)
Warranted Accuracy
at –40 to 70 °C
(% of Reading;
% of Full Scale)

FP-AI-110 and cFP-AI-110 16 ni.com
Physical Characteristics
Indicators .......................................... Green POWER and
READY indicators
Weight
FP-AI-110................................... 140 g (4.8 oz)
cFP-AI-110................................. 110 g (3.7 oz)
Power Requirements
Power from network module ............350 mW
Safety Isolation Voltage
Channel-to-ground isolation
Continuous ................................. 250 Vrms, Measurement
Category II
Dielectric withstand.................... 2,300 Vrms (test duration
is 5 s)
Channel-to-channel isolation ............ No isolation between
channels
Environmental
FieldPoint modules are intended for indoor use only. For outdoor
use, they must be mounted inside a sealed enclosure.
Operating temperature ...................... –40 to 70 °C
Storage temperature .......................... –55 to 85 °C
Humidity ........................................... 10 to 90% RH,
noncondensing
Maximum altitude............................. 2,000 m; at higher altitudes
the isolation voltage ratings
must be lowered.
Pollution Degree ............................... 2
Shock and Vibration
These specifications apply only to the cFP-AI-110.
NI recommends Compact FieldPoint if your application
is subject to shock and vibration.
Operating vibration, random
(IEC 60068-2-64).............................. 10–500 Hz, 5 grms
Operating vibration, sinusoidal
(IEC 60068-2-6)................................ 10–500 Hz, 5 g

© National Instruments Corp. 17 FP-AI-110 and cFP-AI-110
Operating shock
(IEC 60068-2-27).............................. 50 g, 3 ms half sine,
18 shocks at 6 orientations;
30 g, 11 ms half sine,
18 shocks at 6 orientations
Safety
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement,
control, and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 61010-1
• CAN/CSA-C22.2 No. 61010-1
For UL, hazardous location, and other safety certifications, refer to
the product label or visit ni.com/certification, search by
model number or product line, and click the appropriate link in the
Certification column.
Electromagnetic Compatibility
Emissions.......................................... EN 55011 Class A at 10 m
FCC Part 15A above 1 GHz
Immunity........................................... EN 61326:1997 +A2:2001,
Table 1
CE, C-Tick, and FCC Part 15 (Class A) Compliant
Note For EMC compliance, you must operate this device
with shielded cabling.

FP-AI-110 and cFP-AI-110 18 ni.com
CE Compliance
This product meets the essential requirements of applicable
European Directives, as amended for CE marking, as follows:
Low-Voltage Directive (safety)......... 73/23/EEC
Electromagnetic Compatibility
Directive (EMC) ............................... 89/336/EEC
Note Refer to the Declaration of Conformity (DoC) for
this product for any additional regulatory compliance
information. To obtain 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.
Mechanical Dimensions
Figure 8 shows the mechanical dimensions of the FP-AI-110
installed on a terminal base. If you are using the cFP-AI-110,
refer to the Compact FieldPoint controller user manual for the
dimensions and cabling clearance requirements of the Compact
FieldPoint system.
Figure 8. FP-AI-110 Mechanical Dimensions
109.5
[4.31]
91.44
[3.60]
107.19
[4.22]

© National Instruments Corp. 19 FP-AI-110 and cFP-AI-110
Where to Go for Support
For more information about setting up the FieldPoint system, refer
to these National Instruments documents:
• FieldPoint network module user manual
• Other FieldPoint I/O module operating instructions
• FieldPoint terminal base and connector block operating
instructions
Go to ni.com/support for the most current manuals, examples,
and troubleshooting information.
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 your service request at ni.com/support and follow
the calling instructions or dial 512 795 8248. For telephone
support outside the United States, contact your local branch office:
Australia 1800 300 800, Austria 43 0 662 45 79 90 0,
Belgium 32 0 2 757 00 20, Brazil 55 11 3262 3599,
Canada 800 433 3488, China 86 21 6555 7838,
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00,
Finland 385 0 9 725 725 11, France 33 0 1 48 14 24 24,
Germany 49 0 89 741 31 30, India 91 80 51190000,
Israel 972 0 3 6393737, Italy 39 02 413091,
Japan 81 3 5472 2970, Korea 82 02 3451 3400,
Lebanon 961 0 1 33 28 28, Malaysia 1800 887710,
Mexico 01 800 010 0793, Netherlands 31 0 348 433 466,
New Zealand 0800 553 322, Norway 47 0 66 90 76 60,
Poland 48 22 3390150, Portugal 351 210 311 210,
Russia 7 095 783 68 51, Singapore 1800 226 5886,
Slovenia 386 3 425 4200, South Africa 27 0 11 805 8197,
Spain 34 91 640 0085, Sweden 46 0 8 587 895 00,
Switzerland 41 56 200 51 51, Taiwan 886 02 2377 2222,
Thailand 662 278 6777, United Kingdom 44 0 1635 523545