NI 9223 Manuel utilisateur

GETTING STARTED GUIDE

NI 9223

4 AI, ±10 V, 16 Bit, 1 MS/s/ch Simultaneous

This document explains how to connect to the NI 9223.

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 9223. 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 9223 only as described in this document.

Caution Do not operate the NI 9223 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.

2| ni.com | NI 9223 Getting Started Guide

Safety Voltages

Connect only voltages that are within the following limits:

Isolation

Channel-to-channel

Continuous 60 VDC,

Measurement Category I

Withstand 1000 Vrms, verified by a 5 s

dielectric withstand test

Channel-to-earth ground

Continuous 60 VDC,

Measurement Category I

Withstand 1000 Vrms, 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

NI 9223 Getting Started Guide | © National Instruments | 3

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 the NI 9223 to signals or use

for measurements within Measurement Categories II,

III, or IV.

Note Measurement Categories CAT I and CAT O are

equivalent. These test and measurement circuits are not

intended for direct connection to the MAINS building

installations of Measurement Categories CAT II,

CAT III, or CAT IV.

Safety Guidelines for Hazardous Locations

The NI 9223 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 9223 in a potentially explosive environment. Not following

these guidelines may result in serious injury or death.

4| ni.com | NI 9223 Getting Started Guide

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.

Special Conditions for Hazardous Locations Use in

Europe and Internationally

The NI 9223 with screw terminal has been evaluated as Ex nA

IIC T4 Gc equipment under DEMKO Certificate No. 07 ATEX

0626664X and is IECEx UL 14.0089X certified. The NI 9223

with BNC has been evaluated as Ex nA IIC T4 Gc equipment

under DEMKO Certificate No. 12 ATEX 1202658X and is

IECEx UL 14.0089X certified. Each NI 9223 is marked II 3G

and is suitable for use in Zone 2 hazardous locations, in ambient

NI 9223 Getting Started Guide | © National Instruments | 5

temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9223

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.

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)

6| ni.com | NI 9223 Getting Started Guide

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

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.

Caution To ensure the specified EMC performance,

operate this product only with shielded accessories.

Caution Electrostatic Discharge (ESD) can damage

the NI 9223 with screw terminal. To prevent damage,

use industry-standard ESD prevention measures during

installation, maintenance, and operation.

NI 9223 Getting Started Guide | © National Instruments | 7

Caution To ensure the specified EMC performance,

operate the NI 9223 with screw terminal only with

double-shielded, twisted pair cables.

Caution To ensure the specified EMC performance,

operate the NI 9223 with BNC only with shielded

cables.

Caution To ensure the specified EMC performance,

the length of all I/O cables must be no longer than 30 m

(100 ft).

Cable Requirements for EMC Compliance

Select and install cables for the NI 9223 with screw terminal in

accordance with the following requirements:

• Connect the cable shield to the chassis ground (grounding

screw of the chassis) using the shortest length of wire

possible.

• Use shielded, twisted-pair cables (Belden 9451 or

equivalent).

8| ni.com | NI 9223 Getting Started Guide

Figure 1. Cable Connections for NI 9223 with screw terminal for EMC

Compliance

NI 9223

Shield

AI0+

AI0–

Signal

Source

Shield

AI1+

AI1–

Signal

Source

Shield

AI2+

AI2–

Signal

Source

Shield

AI3+

AI3–

Signal

Source

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.

10 | ni.com | NI 9223 Getting Started Guide

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