National Instruments NI 9213 Manuale utente

NI-9213 Getting

Started

2022-07-06

Contents

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

NI-9213 (Black Connector) Safety Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety Guidelines for Hazardous Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Safety Guidelines for Hazardous Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Electromagnetic Compatibility Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Special Conditions for Marine Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Preparing the Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

NI 9213 Pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connecting a Thermocouple. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Connecting to a Spring-Terminal Connector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

High-Vibration Application Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Minimizing Thermal Gradients. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Overvoltage Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Where to Go Next. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

ni.com

NI-9213 Getting Started

Overview

This document explains how to connect to the NI-9213.

Note Before you begin, read the NI-9213 Safety, Environmental, and

Regulatory Information document on ni.com/manuals and complete the

soware 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

Caution Observe all instructions and cautions in the user documentation.

Using the product in a manner not specified can damage the product and

compromise the built-in safety protection.

Attention Suivez toutes les instructions et respectez toutes les mises

en garde de la documentation d'utilisation. L'utilisation du produit de

toute autre façon que celle spécifiée risque de l'endommager et de

compromettre la protection de sécurité intégrée.

NI-9213 (Black Connector) Safety Voltages

Connect only voltages that are within the following limits:

Between any two terminals ±30 V maximum

Isolation

NI-9213 Getting Started

Channel-to-channel None

Channel-to-earth ground

Continuous 250 V RMS, Measurement Category II

Withstand 2,300 V RMS, verified by a 5 s dielectric withstand test

Safety Guidelines for Hazardous Voltages

If hazardous voltages are connected to the product, take the following precautions.

A hazardous voltage is a voltage greater than:

■ 30 V RMS, 42.4 V peak, or 60 V DC in DRY LOCATIONS

■ 16 V RMS, 22.6 V peak, or 35 V DC in WET LOCATIONS

Caution Ensure that hazardous voltage wiring is performed only by

qualified personnel adhering to local electrical standards.

Attention S'assurer que le câblage à tension dangereuse est eectué par

du personnel qualifié respectant les normes électriques locales.

Caution Do not mix hazardous voltage circuits and human-accessible

circuits on the same product.

Attention Ne pas combiner des circuits avec des tensions dangereuses et

des circuits accessibles aux personnes sur le même produit.

Caution When product terminals are hazardous voltage LIVE, you must

ensure that devices and circuits connected to the product are properly

insulated from human contact.

ni.com

NI-9213 Getting Started

Attention Lorsqu'une haute tension dangereuse est appliquée aux

bornes du produit, vous devez vous assurer que les appareils et les circuits

auxquels il est connecté sont correctement isolés de tout contact humain.

Caution You must use the connector backshell kit to ensure that the

terminals are not accessible.

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 Gc and Ex nA IIC T4 Gc 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 o or the area is known to be nonhazardous.

Caution Do not remove modules unless power has been switched o or

the area is known to be nonhazardous.

Caution Substitution of components may impair suitability for Class I,

Division 2, or Zone 2.

Caution The system must be installed in an enclosure certified for the

intended hazardous (classified) location, having a tool secured cover/door,

where a minimum protection of at least IP54 is provided.

Caution For Division 2 and Zone 2 applications, connected signals must

be within the following limits.

NI-9213 Getting Started

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 07ATEX 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 Transient protection shall be provided that is set at a level not

exceeding 140% of the peak rated voltage value of 85 V at the supply

terminals to the equipment.

Caution The system shall only be used in an area of not more than

Pollution Degree 2, as defined in IEC/EN 60664-1.

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.

ni.com

NI-9213 Getting Started

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 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 approved for marine (shipboard) applications. To verify marine

approval certification for a product, visit ni.com/product-certifications, search by

model number, and click the appropriate link.

Notice 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.

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.

NI-9213 Getting Started

Note Refer to the device datasheet on ni.com/manuals for complete

specifications.

NI 9213 Pinout

TC0+

TC2+

TC4+

TC6+

TC8+

TC10+

TC12+

TC14+

COM

TC1+

TC3+

TC5+

TC7+

TC9+

TC11+

TC13+

TC15+

TC0–

TC1–

TC3–

TC5–

TC7–

TC9–

TC11–

TC13–

TC15–

TC2–

TC4–

TC6–

TC8–

TC10–

TC12–

TC14–

COM

TC0+

TC2+

TC4+

TC6+

TC8+

TC10+

TC12+

TC14+

COM

TC1+

TC3+

TC5+

TC7+

TC9+

TC11+

TC13+

TC15+

TC0–

TC1–

TC3–

TC5–

TC7–

TC9–

TC11–

TC13–

TC15–

TC2–

TC4–

TC6–

TC8–

TC10–

TC12–

TC14–

COM

Signal Description

COM Common reference connection

NC No connection

TC+ Positive thermocouple connection

TC- Negative thermocouple connection

Table 1. Signal Descriptions

Connecting a Thermocouple

Thermocouple

TC–

COM

TC+

Shield

NI 9213

Vreference

ni.com

NI-9213 Getting Started

Connecting to a Spring-Terminal Connector

What to Use

■ NI-9213 spring-terminal connector

■ 0.08 mm2 to 1.0 mm2 (28 AWG to 18 AWG) copper conductor wire with 7 mm

(0.28 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.

123

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.

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.

NI-9213 Getting Started

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.

■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 aer 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.

■Use the NI 9940 backshell kit.

■If you connect any extension wires to thermocouple wires, use wires made

of the same conductive material as the thermocouple wires.

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.

ni.com

NI-9213 Getting Started

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