NI 9269 Operating Instructions Manual

OPERATING INSTRUCTIONS AND SPECIFICATIONS

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NI 9269

4-Channel, ±10 V, 16-Bit, Simultaneous, Channel­to-Channel Isolated Analog Voltage Output Module

This document describes how to use the National Instruments 9269
and includes specifications and terminal assignments for the NI 9269.
Visit ni.com/info and enter rdsoftwareversion to determine
which software you need for the modules you are using. For
information about installing, configuring, and programming the
system, refer to the system documentation. Visit
enter

cseriesdoc for information about C Series documentation.

Note The safety guidelines and specifications in this

document are specific to the NI 9269. The other
components in the system might not meet the same safety
ratings and specifications. Refer to the documentation for
each component in the system to determine the safety
ratings and specifications for the entire system. Visit

ni.com/info and enter cseriesdoc for information

about C Series documentation.

ni.com/info and

NI 9269 Operating Instructions and Specifications 2 ni.com

Safety Guidelines

Operate the NI 9269 only as described in these operating
instructions.

Hot Surface This icon denotes that the component may be

hot. Touching this component may result in bodily injury.

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 V

Caution Ensure that hazardous voltage wiring is

or 60 VDC to earth ground.

pk

performed only by qualified personnel adhering to local
electrical standards.

Caution Do not mix hazardous voltage circuits and

human-accessible circu its on the same module.

Caution Make sure that devices and circuits connected to

the module are properly insulated from human contact.

© National Instruments Corp. 3 NI 9269 Operating Instructions and Specifications

Caution When module terminals are hazardous voltage

LIVE (>42.4 V

/60 VDC), you must ensure that devices

pk

and circuits connected to the module are properly
insulated from human contact. You must use the NI 9971
connector backshell kit to ensure that the terminals are
not accessible.

Figure 1 shows the NI 9971 connector backshell.

Figure 1. NI 9971 Connector Backshell

NI 9269 Operating Instructions and Specifications 4 ni.com

Safety Guidelines for Hazardous Locations

The NI 9269 is suitable for use in Class I, Division 2, Groups A, B,
C, D, T4 hazardous locations; Class I, 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 9269 in a potentially explosive environment. Not following
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 system in an

enclosure rated to at least IP 54 as defined by IEC 60529
and EN 60529.

© National Instruments Corp. 5 NI 9269 Operating Instructions and Specifications

Special Conditions for Hazardous Locations Use in Europe

This equipment has been evaluated as Ex nA IIC T4 equipment
under DEMKO Certificate No. 07 ATEX 0626664X. Each module

is marked II 3G and is suitable for use in Zone 2 hazardous
locations, in ambient temperatures of –40 °C ≤ Ta ≤ 70 °C. If you
are using the NI 9269 in Gas Group IIC hazardous locations, you
must use the device in an NI chassis that has been evaluated as
Ex nC IIC T4, EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4
equipment.

NI 9269 Operating Instructions and Specifications 6 ni.com

Special Conditions for Marine Applications

Some modules are Lloyd’s Register (LR) Type Approved for
marine applications. To verify Lloyd’s Register certification, visit

ni.com/certification and search for the LR certificate, or

look for the Lloyd’s Register mark on the module.

Caution To meet radio frequency emission requirements

for marine applications, use shielded cables and install
the system in a metal enclosure. Suppression ferrites
must be installed on power supply inputs near power
entries to modules and controllers. Power supply and
module cables must be separated on opposite sides of the
enclosure and must enter and exit through opposing
enclosure walls.

© National Instruments Corp. 7 NI 9269 Operating Instructions and Specifications

Connecting the NI 9269

The NI 9269 has four 2-terminal detachable screw-terminal
connectors that provide connections for 4 analog output channels.

AO0+
AO0–

AO1+
AO1–

AO2+
AO2–

AO3+
AO3–

0
1

0
1

0
1

0
1

Figure 2. NI 9269 Terminal Assignments

NI 9269 Operating Instructions and Specifications 8 ni.com

Yo u can connect a load to each channel of the NI 9269. Connect the
positive lead of the load to the AO+ terminal. Connect the ground
of the load to the corresponding AO– terminal. Refer to Figure 3
for an illustration of how to connect a load to the NI 9269.

AO+

Load

AO–

Note

NI 9269

Figure 3. Connecting a Load to the NI 9269

You must use 2-wire ferrules to create a secure
connection when connecting more than one wire to a
single terminal on the NI 9269.

The analog output channels are floating with respect to earth
ground and each other. Each channel has a digital-to-analog
converter (DAC) that produces a voltage signal. Each channel
provides an independent signal path, enabling you to update all
four channels simultaneously. Each channel also has overvoltage

© National Instruments Corp. 9 NI 9269 Operating Instructions and Specifications

and short-circuit protection. Refer to the Specifications section for
more information about the overvoltage and short-circuit
protection. Refer to Figure 4 for an illustration of the output
circuitry for one channel of the NI 9269.

Isolated

DAC

NI 9269

Amp

Overvoltage/

Short-Circuit

Protection

AO+

AO–

Figure 4. Output Circuitry for One Channel of the NI 9269

When the module powers on, the channels output the startup
voltage. Refer to the Specifications section for more information
about startup voltage. Refer to the software help for information
about configuring startup output states in software. Visit

ni.com/info and enter cseriesdoc for information about

C Series documentation.

NI 9269 Operating Instructions and Specifications 10 ni.com

Wiring for High-Vibration Applications

If an application is subject to high vibration, National Instruments
recommends that you either use ferrules to terminate wires to the
detachable screw-terminal connector or use the NI 9971 backshell
kit to protect the connections. Refer to Figure 5 for an illustration
of using ferrules. Refer to Figure 1 for an illustration of the
NI 9971 connector backshell.

Figure 5. 2-Terminal Detachable Screw-Terminal Connector with Ferrule

© National Instruments Corp. 11 NI 9269 Operating Instructions and Specifications

Increasing Output Voltage Range

Each channel of the NI 9269 has a nominal output voltage range of
±10 V and can drive up to ±10 mA of current. The total output
current of all channels is limited to ±20 mA. For example, if the
output current of AO0 is ±10 mA, the output current of
AO<1, 2, 3> is limited to ±10 mA total or ±3.33 mA each.

If you want to increase the nominal output voltage range, you can
cascade up to four output channels for a maximum of ±40 V
nominal. For example, if you want two channels with a nominal
output voltage range of ±20 V each, connect AO<0, 1> and
AO<2, 3> as shown in Figure 6. The output current of the cascaded
channels flows across two channels, limiting the total output
current to ±10 mA.

NI 9269 Operating Instructions and Specifications 12 ni.com

Figure 6. Increasing the Output Voltage Range of the NI 9269

AO<2, 3>–

NI 9269

AO<2, 3>+

AO<0, 1>–

AO<0, 1>+

AO0+
AO0–

AO1+
AO1–

AO2+
AO2–

AO3+
AO3–

Load

Load

Cascading more than four output channels of multiple NI 9269
modules violates the electrical safety and overvoltage protection
ratings.

Because the NI 9269 outputs can source and sink current, it is not
possible to increase the current drive by connecting output
channels in parallel.

© National Instruments Corp. 13 NI 9269 Operating Instructions and Specifications

Sleep Mode

This module supports a low-power sleep mode. Support for sleep
mode at the system level depends on the chassis that the module is
plugged into. Refer to the chassis manual for information about
support for sleep mode. If the chassis supports sleep mode, refer to
the software help for information about enabling sleep mode. Visit

ni.com/info and enter cseriesdoc for information about

C Series documentation.

Typically, when a system is in sleep mode, you cannot
communicate with the modules. In sleep mode, the system
consumes minimal power and may dissipate less heat than it does
in normal mode. Refer to the Specifications section for more
information about power consumption and thermal dissipation.

NI 9269 Operating Instructions and Specifications 14 ni.com

Specifications

The following specifications are typical for the range –40 to 70 °C
unless otherwise noted. All voltages are relative to the AO– signal
on each channel unless otherwise noted.

Output Characteristics

Number of channels .......................... 4 analog output channels

DAC resolution ................................. 16 bits

Type of DAC..................................... R-2R

Power-on output state .......................High impedance

1

Startup voltage

Power-down output state

.................................0 V

2

.................High impedance

1

When the output stage powers on, a glitch occurs for 5 μs peaking at –900 mV.

2

When the module powers down, a glitch occurs for 20 μs peaking at –600 mV.

© National Instruments Corp. 15 NI 9269 Operating Instructions and Specifications

Output voltage range

1

Nominal......................................±10 V

Minimum.................................... ±10.38 V

Typical ........................................ ±10.47 V

Maximum ................................... ±10.56 V

Current drive..................................... ±20 mA all channels max;

±10 mA per channel typ

Output impedance ............................. 100 mΩ

1

Refer to the Increasing Output Voltage Range section for the cascaded nominal

output voltage range and current drive.

NI 9269 Operating Instructions and Specifications 16 ni.com

Accuracy

Percent of

Range

(Offset Error)

Measurement Conditions

Percent of

Reading

(Gain Error)

Calibrated, max (–40 to 70 °C) 0.17% 0.15%

Calibrated, typ (25 °C, ±5 °C) 0.05% 0.01%

Uncalibrated, max (–40 to 70 °C) 0.44% 0.37%

Uncalibrated, typ (25 °C, ±5 °C) 0.14% 0.05%

*

Range equals 10.47 V

Stability

Gain drift .................................... 14 ppm/°C

*

Offset drift ..................................80 μV/°C

Protection

Overvoltage ................................ ±30 V

Short-circuit................................ Indefinitely

© National Instruments Corp. 17 NI 9269 Operating Instructions and Specifications

Update time

Update Time for

Number of

Channels

1 3.5 μs min 3 μs min

2 6.5 μs min 5 μs min

3 9.3 μs min 7.5 μs min

4 12.3 μs min 9.7 μs min

NI cRIO-9151 R Series

Expansion Chassis

Noise................................................. 300 μV

Slew rate ........................................... 7 V/μs

Crosstalk

Channel-to-channel .................... 100 dB

Update Time for All

Other Chassis

rms

Common-mode voltage .............. 120 dB

Settling time

100 pF load, to 1 LSB

Full-scale step ...................... 20 μs

1 V step ................................10 μs

0.1 V step .............................10 μs

NI 9269 Operating Instructions and Specifications 18 ni.com

1 kΩ || 100 pF load, to 4 LSB

Full-scale step ...................... 20 μs

Capacitive drive ................................ 1,500 pF max

Monotonicity..................................... 16 bits

DNL .................................................. ±1 LSB max

INL (best fit) ..................................... ±2 LSBs max

MTBF ...............................................Contact NI for Bellcore

MTBF or MIL-HDBK-217F
specifications.

Power Requirements

Power consumption from chassis

Active mode ...............................1 W max

Sleep mode ................................. 120 μW max

Thermal dissipation (at 70 °C)

Active mode ...............................1.4 W max

Sleep mode ................................. 77 mW max

© National Instruments Corp. 19 NI 9269 Operating Instructions and Specifications

Physical Characteristics

If you need to clean the module, wipe it with a dry towel.

Note For two-dimensional drawings and

three-dimensional models of the C Series module and
connectors, visit ni.com/dimensions and search by
module number.

Screw-terminal wiring ...................... 12 to 24 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.)

Ferrules ............................................. 0.25 mm

2

to 0.5 mm

2

Weight...............................................147 g (5.2 oz)

NI 9269 Operating Instructions and Specifications 20 ni.com

Safety

Isolation Voltages

Connect only voltages that are within the following limits.

Channel-to-channel

Continuous .................................250 V

rms

,

Measurement Category II

Withstand.................................... 1,390 V

, verified by a 5 s

rms

dielectric withstand test

Channel-to-earth ground

Continuous .................................250 V

rms

,

Measurement Category II

Withstand.................................... 2,300 V

, verified by a 5 s

rms

dielectric withstand test

Division 2/Zone 2 hazardous locations applications
(Channel-to-channel and

channel-to-earth ground) .................. 60 VDC,

Measurement Category I

© National Instruments Corp. 21 NI 9269 Operating Instructions and Specifications

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.

Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.
This category refers to local-level electrical distribution, such as
that provided by a standard wall outlet, for example, 115 V for U.S.
or 230 V for Europe.

Caution Do not connect to signals or use for

measurements within Measurement Categories III or IV.

NI 9269 Operating Instructions and Specifications 22 ni.com

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

Safety Standards

This product meets 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, CSA 61010-1

Note For UL and other safety certifications, refer to the

product label or the Online Product Certification section.

© National Instruments Corp. 23 NI 9269 Operating Instructions and Specifications

Electromagnetic Compatibility

This product meets the requirements of the following EMC
standards for electrical equipment for measurement, control, and
laboratory use:

• EN 61326 (IEC 61326): 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

Note For the standards applied to assess the EMC of this

product, refer to the Online Product Certification section.

Note For EMC compliance, operate this device with

shielded cables.

NI 9269 Operating Instructions and Specifications 24 ni.com

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 the product Declaration of Conformity (DoC) for
additional regulatory compliance information. To obtain product
certifications and the DoC for this product, visit ni.com/

certification

, search by module number or product line, and

click the appropriate link in the Certification column.

© National Instruments Corp. 25 NI 9269 Operating Instructions and Specifications

Shock and Vibration

To meet these specifications, you must panel mount the system and
either affix ferrules to the ends of the terminal wires or use the
NI 9971 backshell kit to protect the connections.

Operating vibration

Random (IEC 60068-2-64)......... 5 g

, 10 to 500 Hz

rms

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

Environmental

National Instruments C Series modules are intended for indoor use
only but may be used outdoors if installed in a suitable enclosure.
Refer to the manual for the chassis you are using for more
information about meeting these specifications.

Operating temperature

(IEC 60068-2-1, IEC 60068-2-2) .....–40 to 70 °C

Storage temperature

(IEC 60068-2-1, IEC 60068-2-2) .....–40 to 85 °C

NI 9269 Operating Instructions and Specifications 26 ni.com

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 ............................... 2

Environmental Management

National Instruments 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 NI and the
Environment 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 Corp. 27 NI 9269 Operating Instructions and Specifications

Waste Electrical and Electronic Equipment (WEEE)

RoHS

˅

Ё೑ᅶ᠋

National Instruments

ヺড়Ё೑⬉ᄤֵᙃ

ѻકЁ䰤ࠊՓ⫼ᶤѯ᳝ᆇ⠽䋼ᣛҸ

(RoHS)

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National Instruments

Ё೑

RoHS

ড়㾘ᗻֵᙃˈ䇋ⱏᔩ

ni.com/environment/rohs_china

DŽ

(For information

about China RoHS compliance, go to

ni.com/

environment/rohs_china

.)

EU Customers At the end of the life cycle, all products

must be sent to a WEEE recycling center. For more
information about WEEE recycling centers and National
Instruments WEEE initiatives, visit

environment/weee

.

ni.com/

Calibration

Yo u can obtain the calibration certificate and information about
calibration services for the NI 9269 at

ni.com/calibration.

Calibration interval ........................... 1 year

NI 9269 Operating Instructions and Specifications 28 ni.com

Where to Go for Support

The National Instruments Web site 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.

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 43 662 457990-0,
Belgium 32 (0) 2 757 0020, Brazil 55 11 3262 3599,
Canada 800 433 3488, China 86 21 5050 9800,
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00,
Finland 358 (0) 9 725 72511, France 01 57 66 24 24,
Germany 49 89 7413130, India 91 80 41190000,
Israel 972 3 6393737, Italy 39 02 41309277, Japan 0120-527196,

© National Instruments Corp. 29 NI 9269 Operating Instructions and Specifications

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 22 328 90 10,
Portugal 351 210 311 210, Russia 7 495 783 6851,
Singapore 1800 226 5886, Slovenia 386 3 425 42 00,
South Africa 27 0 11 805 8197, Spain 34 91 640 0085,
Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151,
Taiwan 886 02 2377 2222, Thailand 662 278 6777,
Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545

NI 9269 Operating Instructions and Specifications 30 ni.com

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