National Instruments Network Card NI 9215 User Manual

^ON^PI^ER9^AT2^IN1^G5^{INSTRUCTIONS AND SPECIFICATIONS}

4-Channel, 10 V, 16-Bit Simultaneous Analog

Input Module

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Hot Surface This icon denotes that the component may be

hot. Touching this component may result in bodily injury.

Safety Guidelines for Hazardous Voltages

You can connect hazardous voltages only to the NI 9215 with

screw terminal. Do not connect hazardous voltages to the NI 9215

with BNC.

If hazardous voltages are connected to the module, take the

following precautions. A hazardous voltage is a voltage greater

than 42.4 V_pkor 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 module terminals are hazardous voltage

LIVE (>42.4 V_pk/60 VDC), you must ensure that devices

NI 9215 Operating Instructions and Specifications

and circuits connected to the module are properly

insulated from human contact. You must use the NI 9932

connector backshell kit to ensure that the terminals are

not accessible.

Figure 1 shows the NI 9932 connector backshell.

Note You can use the NI 9932 connector backshell only

with the NI 9215 with screw terminal.

Figure 1. NI 9932 Connector Backshell

NI 9215 Operating Instructions and Specifications

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Safety Guidelines for Hazardous Locations

The NI 9215 is suitable for use in Class I, Division 2, Groups A, B,

C, D, and T4 hazardous locations; Class I, 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 NI 9215 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.

NI 9215 Operating Instructions and Specifications

Caution For Zone 2 applications, connected signals must

be within the following limit:

Capacitance..........................0.2 μF max

Special Conditions for Hazardous Locations Use in Europe

This equipment has been evaluated as EEx nC IIC T4 equipment

under DEMKO Certificate No. 03 ATEX 0324020X. Each module

is marked

II 3G and is suitable for use in Zone 2 hazardous

locations. If you are using the NI 9215 in Gas Group IIC hazardous

locations or in ambient temperatures of –40 °C ≤ Ta ≤ 70 °C, you

must use the device in an NI chassis that has been evaluated as

Ex nA IIC T4 equipment.

Special Conditions for Marine Applications

Some modules are Lloyd’s Register (LR) Type Approved for

marine applications. To verify Lloyd’s Register certification, go

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

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

NI 9215 Operating Instructions and Specifications

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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.

NI 9215 Operating Instructions and Specifications

Connecting the NI 9215

The NI 9215 provides connections for four differential analog

input channels.

AI0+

AI0–

AI1+

AI1–

AI2+

AI2–

AI3+

AI3–

COM

Figure 2. Terminal Assignments of the NI 9215 with Screw Terminal

NI 9215 Operating Instructions and Specifications

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AI0+

AI0–

AI1+

AI1–

AI2+

AI2–

AI3+

AI3–

Figure 3. Connector Assignments of the NI 9215 with BNC

NI 9215 Operating Instructions and Specifications

The NI 9215 with screw terminal has a 10-terminal detachable

screw-terminal connector. The NI 9215 with BNC has four BNC

connectors.

Each channel of the NI 9215 has an AI+ terminal or shield to which

you can connect the positive voltage signal, and an AI– terminal or

shield to which you can connect the negative voltage signal. The

NI 9215 with screw terminal also has a common terminal, COM,

that is internally connected to the isolated ground reference of the

module.

Note You must use 2-wire ferrules to create a secure

connection when connecting more than one wire to a

single terminal on the NI 9215 with screw terminal.

NI 9215 Operating Instructions and Specifications

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Connecting Differential Voltage Signals to the NI 9215

You can connect grounded or floating differential signals to the

NI 9215. Connect the positive voltage signal to AI+ and the

negative voltage signal to AI–. To connect grounded differential

signals to the NI 9215 with screw terminal, you must also connect

the signal reference to the COM terminal, as shown in Figure 4.

AI+

Voltage

Source

–

AI–

NI 9215 with

Screw Terminal

COM

Figure 4. Connecting a Grounded Differential Voltage Signal to

the NI 9215 with Screw Terminal

11 NI 9215 Operating Instructions and Specifications

To connect floating differential signals to the NI 9215 with screw

terminal, you must connect the negative lead of the signal to COM

through a 1 MΩ resistor to keep the voltage source within the

common-mode voltage range, as shown in Figure 5. If the voltage

source is outside of the common-mode range, then the NI 9215

does not read data accurately. The NI 9215 with BNC has internal

circuitry that keeps the voltage source within the common-mode

range. For more information about the common-mode voltage

range, refer to the Specifications section.

AI+

Voltage

Source

–

AI–

1 MΩ

Resistor

NI 9215 with

Screw Terminal

COM

Figure 5. Connecting a Floating Differential Voltage Signal to the

NI 9215 with Screw Terminal

NI 9215 Operating Instructions and Specifications

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Connecting Single-Ended Voltage Signals to the

NI 9215

To connect single-ended voltage signals to the NI 9215 with screw

terminal, you must also connect the ground signal to the COM

terminal to keep the common-mode voltage in the specified range,

as shown in Figure 6. For more information about the

common-mode voltage range, refer to the Specifications section.

AI+

–

Voltage

Source

AI–

NI 9215 with

Screw Terminal

COM

Figure 6. Connecting a Single-Ended Voltage Signal to the

NI 9215 with Screw Terminal

13 NI 9215 Operating Instructions and Specifications

Wiring for High Vibration Applications

If an application using the NI 9215 with screw terminal 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 9932 backshell kit to

protect the connections. Refer to Figure 7 for an illustration of

using ferrules. Refer to Figure 1 for an illustration of the NI 9932

connector backshell.

Figure 7. 10-Terminal Detachable Screw-Terminal Connector with a Ferrule

NI 9215 Operating Instructions and Specifications

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NI 9215 Circuitry

The NI 9215 channels share a common ground that is isolated from

other modules in the system. The NI 9215 protects each channel

from overvoltages. For more information about overvoltage

protection, refer to the Specifications section. The incoming analog

signal on each channel is buffered and conditioned by the

instrumentation amplifier and is then sampled by a 16-bit ADC.

The channels have independent track-and-hold amplifiers that

allow you to sample all four channels simultaneously. Refer to

Figures 8 and 9 for input circuitry illustrations of the NI 9215 with

screw terminal and the NI 9215 with BNC.

15 NI 9215 Operating Instructions and Specifications

Overvoltage

Protection

–

Isolated

ADC

Overvoltage

Protection

Instrumentation

Amplifier

COM

NI 9215 with Screw Terminal

Figure 8. Input Circuitry for One Channel on the NI 9215 with Screw Terminal

NI 9215 Operating Instructions and Specifications

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The NI 9215 with BNC has a resistor that ensures the input voltage

does not drift outside of the common-mode range.

AI+

Overvoltage

Protection

–

Isolated

ADC

Overvoltage

Protection

Instrumentation

Amplifier

100 kΩ

AI–

NI 9215 with BNC

Figure 9. Input Circuitry for One Channel on the NI 9215 with BNC

17 NI 9215 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 9215 Operating Instructions and Specifications

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Specifications

The following specifications are typical for the range –40 to 70 °C

unless otherwise noted.

Input Characteristics

Number of channels..........................4 analog input channels

ADC resolution.................................16 bits

Type of ADC.....................................Successive approximation

Input range........................................ 10.0 V

19 NI 9215 Operating Instructions and Specifications

Input voltage ranges¹

Measurement Voltage,

Maximum Voltage

(Signal + Common Mode)

AI+ to AI–

Minimum* Typical Maximum

Screw

Terminal

(V)

BNC

10.2

10.4

10.6

Each channel All inputs

must remain

within

10.2 V of

common.

must remain

within 10.2 V

of the average

AI– inputs.

* The minimum measurement voltage range is the largest voltage the NI 9215 is

guaranteed to accurately measure.

Refer to the Safety Guidelines section for more information about safe operating

voltages.

NI 9215 Operating Instructions and Specifications

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Overvoltage protection ..................... 30 V

Conversion time

Channel 0 only ...........................4.4 μs

Channels 0 and 1 ........................6 μs

Channels 0, 1, and 2 ...................8 μs

Channels 0, 1, 2, and 3 ...............10 μs

Accuracy

Percent of

Reading

(Gain Error) (Offset Error)

Percent of

Range*

Measurement Conditions

Calibrated, max (–40 to 70 °C)

Calibrated, typ (25 °C, 5 °C)

Uncalibrated, max (–40 to 70 °C)

Uncalibrated, typ (25 °C, 5 °C)

* Range equals 10.4 V

0.2%

0.02%

1.05%

0.6%

0.082%

0.014%

0.82%

0.38%

Stability

Gain drift ....................................10 ppm/ºC

Offset drift ..................................60 μV/ºC

21 NI 9215 Operating Instructions and Specifications

CMRR (f_in= 60 Hz) ..........................–73 dB min

Input bandwidth (–3 dB)...................420 kHz min

Input impedance

Resistance

NI 9215 with

screw terminal......................1 GΩ

NI 9215 with BNC

(Between any two

AI– terminals)......................200 kΩ

Input bias current..............................10 nA

Input noise

RMS ...........................................1.2 LSB_rms

Peak-to-peak...............................7 LSB

Crosstalk ...........................................–80 dB

Settling time (to 2 LSBs)

NI 9215 with screw terminal

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

20 V step ..............................15 μs

NI 9215 Operating Instructions and Specifications

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NI 9215 with BNC

10 V step ..............................25 μs

20 V step ..............................35 μs

No missing codes..............................15 bits guaranteed

DNL..................................................–1.9 to 2 LSB max

INL.................................................... 6 LSB max

MTBF ...............................................1,167,174 hours at 25 °C;

Bellcore Issue 6, Method 1,

Case 3, Limited Part Stress

Method

Note Contact NI for Bellcore MTBF specifications

at other temperatures or for MIL-HDBK-217F

specifications.

Power Requirements

Power consumption from chassis (full-scale input, 100 kS/s)

Active mode ...............................560 mW max

Sleep mode .................................25 μW max

23 NI 9215 Operating Instructions and Specifications

Thermal dissipation (at 70 °C)

Active mode ...............................560 mW max

Sleep mode .................................25 μW max

Physical Characteristics

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

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 mm²to 2.5 mm²

Weight

NI 9215 with

screw terminal ............................150 g (5.3 oz)

NI 9215 with BNC .....................173 g (6.1 oz)

NI 9215 Operating Instructions and Specifications

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Safety

NI 9215 with Screw Terminal Safety Voltages

Connect only voltages that are within the following limits.

Channel-to-COM.............................. 30 V max

Isolation

Channel-to-channel ....................No isolation between

channels

Channel-to-earth ground

Continuous...........................250 V_rms

Measurement Category II

Withstand .............................2,300 V_rms, verified by a

5 s dielectric withstand test

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.

25 NI 9215 Operating Instructions and Specifications

Caution Do not connect the NI 9215 with screw terminal

to signals or use for measurements within Measurement

Categories III or IV.

NI 9215 with BNC Safety Voltages

Connect only voltages that are within the following limits.

AI+-to-AI–........................................ 30 V max

Isolation

Channel-to-channel ....................No isolation between

channels

Channel-to-earth ground

Continuous...........................60 VDC,

Measurement Category I

Withstand .............................1,500 V_rms, verified by a

5 s dielectric withstand test

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

NI 9215 Operating Instructions and Specifications

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equipment, limited-energy parts of equipment, circuits powered by

regulated low-voltage sources, and electronics.

Caution Do not connect the NI 9215 with BNC to signals

or use for measurements within Measurement

Categories II, III, or IV.

Safety Standards

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, CSA 61010-1

Note For UL and other safety certifications, refer to the

product label, or visit ni.com/certification, search

by module number or product line, and click the

appropriate link in the Certification column.

27 NI 9215 Operating Instructions and Specifications

Hazardous Locations

U.S. (UL) ..........................................Class I, Division 2,

Groups A, B, C, D, T4;

Class I, Zone 2,

AEx nC IIC T4

Canada (C-UL) .................................Class I, Division 2,

Groups A, B, C, D, T4;

Class I, Zone 2,

Ex nC IIC T4

Europe (DEMKO).............................EEx nC IIC T4

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

Ingress protection..............................IP 40

NI 9215 Operating Instructions and Specifications

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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

Shock and Vibration

To meet these specifications, you must panel mount the system. If

you are using the NI 9215 with screw terminal, you must also either

affix ferrules to the ends of the terminal wires or use the NI 9932

backshell kit to protect the connections.

Operating vibration

Random (IEC 60068-2-34).........5 g_rms, 10 to 500 Hz

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

29 NI 9215 Operating Instructions and Specifications

Electromagnetic Compatibility

This product is designed to meet the requirements of the following

standards of EMC for electrical equipment for measurement,

control, and laboratory use:

•

EN 61326 EMC requirements; Industrial Immunity

EN 55011 Emissions; Group 1, Class A

CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A

Note For EMC compliance, operate this device with

shielded cabling.

CE Compliance

This product meets the essential requirements of applicable

European directives, as amended for CE markings, as follows:

•

2006/95/EC; Low-Voltage Directive (safety)

2004/108/EC; Electromagnetic Compatibility Directive

(EMC)

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 9215 Operating Instructions and Specifications

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ni.com/certification, search by module number or

product line, and click the appropriate link in the

Certification column.

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 not only to the environment but also 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.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of their 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 ni.com/

environment/weee.htm.

31 NI 9215 Operating Instructions and Specifications

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ni.com/environment/rohs_chinaǄ

about China RoHS compliance, go to

environment/rohs_china

(For information

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Calibration

You can obtain the calibration certificate and information about

calibration services for the NI 9215 at ni.com/calibration.

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

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.

NI 9215 Operating Instructions and Specifications

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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 413091, Japan 0120 527196,

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 7 495 783 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

33 NI 9215 Operating Instructions and Specifications

National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the

product and company names mentioned herein are trademarks or trade names of their respective companies.

For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software,

the patents.txt file on your CD, or ni.com/patents.

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