National Instruments NI 9213 User manual

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GETTING STARTED GUIDE
NI 9213
16 TC, ±78 mV, 24 Bit, 75 S/s Aggregate
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This document explains how to connect to the NI 9213.
Note Before you begin, complete the software and
hardware installation procedures in your chassis
documentation.
Note The guidelines in this document are specific to
the NI 9213. The other components in the system might
not meet the same safety ratings. Refer to the
documentation for each component in the system to
determine the safety and EMC ratings for the entire
system.
Safety Guidelines
Operate the NI 9213 only as described in this document.
Caution Do not operate the NI 9213 in a manner not
specified in this document. Product misuse can result in
a hazard. You can compromise the safety protection
built into the product if the product is damaged in any
way. If the product is damaged, return it to NI for
repair.
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Hazardous Voltage This icon denotes a warning
advising you to take precautions to avoid electrical
shock.
Safety Voltages
Connect only voltages that are within the following limits:
Between any two terminals ±30 V maximum
Isolation
Channel-to-channel None
Channel-to-earth ground
Continuous 250 Vrms, Measurement
Category II
Withstand 2,300 Vrms, 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.
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Caution Do not connect the NI 9213 to signals or use
for measurements within Measurement Categories III
or IV.
Safety Guidelines for Hazardous Voltages
If hazardous voltages are connected to the device, take the
following precautions. A hazardous voltage is a voltage greater
than 42.4 Vpk voltage 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 Ensure that devices and circuits connected to
the module are properly insulated from human contact.
Caution When module terminals are hazardous
voltage LIVE (>42.4 Vpk/60 VDC), you must ensure
that devices and circuits connected to the module are
properly insulated from human contact. You must use
the NI 9940 connector backshell kit to ensure that the
terminals are not accessible.
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Safety Guidelines for Hazardous Locations
The NI 9213 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 9213 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 Division 2 and Zone 2 applications,
install the system in an enclosure rated to at least IP54
as defined by IEC/EN 60079-15.
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Caution For Division 2 and Zone 2 applications,
connected signals must be within the following limits.
Capacitance 0.2 µF maximum
Special Conditions for Hazardous Locations Use in
Europe and Internationally
The NI 9213 has been evaluated as Ex nA IIC T4 Gc equipment
under DEMKO Certificate No. 07 ATEX 0626664X and is
IECEx UL 14.0089X certified. Each NI 9213 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 9213
in Gas Group IIC hazardous locations, you must use the device in
an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC
T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
Caution You must make sure that transient
disturbances do not exceed 140% of the rated voltage.
Caution The system shall only be used in an area of
not more than Pollution Degree 2, as defined in
IEC 60664-1.
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Caution The system shall be mounted in an
ATEX/IECEx-certified enclosure with a minimum
ingress protection rating of at least IP54 as defined in
IEC/EN 60079-15.
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 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
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product in strict accordance with the instructions in the product
documentation.
Furthermore, any changes or modifications to the product not
expressly approved by National Instruments could void your
authority to operate it under your local regulatory rules.
Special Conditions 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.
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.
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Preparing the Environment
Ensure that the environment in which you are using the NI 9213
meets the following specifications.
Operating temperature
(IEC 60068-2-1, IEC 60068-2-2)
-40 °C to 70 °C
Operating humidity
(IEC 60068-2-78)
10% RH to 90% RH,
noncondensing
Pollution Degree 2
Maximum altitude 2,000 m
Indoor use only.
Note Refer to the device datasheet on ni.com/manuals
for complete specifications.
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NI 9213 Pinout
NC
TC0+
TC2+
TC4+
TC6+
TC8+
TC10+
TC12+
TC14+
COM
TC1+
TC3+
TC5+
TC7+
TC9+
TC11+
TC13+
TC15+
TC0–
NC
TC1–
TC3–
TC5–
TC7–
TC9–
TC11–
TC13–
TC15–
TC2–
TC4–
TC6–
TC8–
TC10–
TC12–
TC14–
COM
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Table 1. Signal Descriptions
Signal Description
COM Common reference connection
NC No connection
TC+ Positive thermocouple connection
TC- Negative thermocouple connection
Connecting a Thermocouple
You can connect a shielded thermocouple to the NI 9213.
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Figure 1. Connecting a Thermocouple to the NI 9213
Thermocouple
TC–
COM
TC+
Shield
NI 9213
Vreference
Connect the shield to a common-mode voltage reference on the
thermocouple. A valid common-mode voltage reference is a
voltage that is within ±1.2 V of the common-mode voltage of the
thermocouple
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Connecting Wires to a Spring-Terminal
Connector
What to Use
• NI 9213 spring-terminal connector
• 0.8 mm2 to 1.0 mm2 (28 AWG to 18 AWG) copper conductor
wire with 7 mm (0.276 in.) of insulation stripped from the
end
• Flathead screwdriver with a 2.3 mm x 1.0 mm (0.09 in. x
0.04 in.) blade, included with the NI 9213
What to Do
Complete the following steps to connect wires to the spring-
terminal connector.
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1 2 3
1. Insert the screwdriver into a spring clamp activation slot to
open the corresponding connector terminal.
2. Press a wire into the open connector terminal.
3. Remove the screwdriver from the activation slot to clamp the
wire into place.
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High-Vibration Application Connections
If your application is subject to high vibration, NI recommends
that you use the NI 9940 backshell kit to protect connections to
the NI 9213.
Minimizing Thermal Gradients
Changes in the ambient air temperature near the front connector
or a thermocouple wire conducting heat directly to terminal
junctions can cause thermal gradients. Observe the following
guidelines to minimize thermal gradients and improve the system
accuracy.
• Use small-gauge thermocouple wire. Smaller wire transfers
less heat to or from the terminal junction.
• Run thermocouple wiring together near the spring-terminal
connector to keep the wires at the same temperature.
• Avoid running thermocouple wires near hot or cold objects.
• Minimize adjacent heat sources and air flow across the
terminals.
• Keep the ambient temperature as stable as possible.
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• Make sure the NI 9213 terminals are facing forward or
upward.
• Keep the NI 9213 in a stable and consistent orientation.
• Allow the thermal gradients to settle after a change in system
power or in ambient temperature. A change in system power
can happen when the system powers on, the system comes
out of sleep mode, or you insert/remove modules.
• If you connect any extension wires to thermocouple wires,
use wires made of the same conductive material as the
thermocouple wires.
• Use the NI 9940 backshell kit.
Overvoltage Protection
The NI 9213 provides overvoltage protection between any two
inputs.
Note Refer to the device datasheet on ni.com/manuals
for more information about overvoltage protection.
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Where to Go Next
Located at ni.com/manuals Installs with the software
CompactRIO NI CompactDAQ
RELATED INFORMATION
C Series Documentation
& Resources
ni.com/info cseriesdoc
Services
ni.com/services
NI 9213 Datasheet
NI-RIO Help
LabVIEW FPGA Help
NI 9213 Datasheet
NI-DAQmx Help
LabVIEW Help
NI 9213 Getting Started Guide | © National Instruments | 17
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Worldwide Support and Services
The NI website 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.
Visit ni.com/services for NI Factory Installation Services, repairs,
extended warranty, and other services.
Visit ni.com/register to register your NI product. Product
registration facilitates technical support and ensures that you
receive important information updates from NI.
A Declaration of Conformity (DoC) is our claim of compliance
with the Council of the European Communities using the
manufacturer’s declaration of conformity. This system affords the
user protection for electromagnetic compatibility (EMC) and
product safety. You can obtain the DoC for your product by
visiting ni.com/certification. If your product supports calibration,
you can obtain the calibration certificate for your product at
ni.com/calibration.
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NI corporate headquarters is located at
11500 North Mopac Expressway, Austin, Texas, 78759-3504. NI
also has offices located around the world. For telephone support
in the United States, create your service request at ni.com/support
or dial 1 866 ASK MYNI (275 6964). For telephone support
outside the United States, visit the Worldwide Offices section of
ni.com/niglobal to access the branch office websites, which
provide up-to-date contact information, support phone numbers,
email addresses, and current events.
NI 9213 Getting Started Guide | © National Instruments | 19
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