National Instruments USB-9213 Manual de usuario

USER GUIDE AND SPECIFICATIONS

NI USB-9213

16-Channel Thermocouple Input Module

This user guide describes how to use the National Instruments USB-9213

and lists the device specifications.

Introduction

The NI USB-9213 consists of two components: an NI 9213 module and an

NI USB-9162 carrier, as shown in Figure 1.

Figure 1. NI USB-9213 Components

NI 9213

NI USB-9162

NI USB-9213

Hi-SPeed USB Carrier

NI USB-9162

Hi-Speed USB Carrier

NI USB-9162

NI USB-9213 User Guide and Specifications 2 ni.com

Dimensions

Figure 2 shows the NI USB-9213 device dimensions.

Figure 2. NI USB-9213 Device Dimensions in Millimeters (Inches)

Safety Guidelines

Operate the NI USB-9213 only as described in this user guide.

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 Vpk 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 Make sure that devices and circuits connected to the module are properly

insulated from human contact.

Hi-Speed USB Carrier

NI USB-9162

120.68 mm

(4.751 in.)

118.26 mm

(4.656 in.)

88.12 mm

(3.469 in.)

25.34 mm

(0.998 in.)

©National Instruments Corporation 3 NI USB-9213 User Guide and Specifications

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, shown in Figure 3, to

ensure that the terminals are not accessible.

Figure 3. NI 9940 Connector Backshell

Related Documentation

Each application software package and driver includes information about

writing applications for taking measurements and controlling measurement

devices. Check ni.com/manuals for the most recent hardware

documentation and specifications, and refer to Table 1 for a list of locations

for driver and application software documentation. The following

document location references assume you have NI-DAQmx 9.0 or later,

and where applicable, version 8.2.1 or later of the NI application software.

NI USB-9213 User Guide and Specifications 4 ni.com

Table 1. Related Documentation

Software Document/Description Location/Topic

NI-DAQmx for Windows The DAQ Getting Started

guides—describe how to

install the NI-DAQmx for

Windows software, your

NI-DAQmx supported DAQ

device, and how to confirm that

your device is operating

properly.

Start»All Programs»

National Instruments»

NI-DAQ

NI-DAQ Readme—lists which

devices are supported by this

version of NI-DAQmx.

Start»All Programs»

National Instruments»

NI-DAQ»NI-DAQ Readme

NI-DAQmx Help—contains

general information about

measurement concepts, key

NI-DAQmx concepts, and

common applications that

are applicable to all

programming environments.

Start»All Programs»

National Instruments»

NI-DAQ»NI-DAQmx Help

LabVIEW Getting Started with

LabVIEW—describes the

LabVIEW graphical

programming environment and

the basic LabVIEW features

you use to build data

acquisition and instrument

control application.

Start»All Programs»

National Instruments»

LabVIEW»LabVIEW

Manuals or navigate to the

labview\manuals directory

and open

LV_Getting_Started.pdf

LabVIEW Help—provides

information about LabVIEW

programming concepts,

step-by-step instructions for

using LabVIEW, and reference

information about LabVIEW

VIs, functions, palettes,

menus, and tools.

Help»Search the LabVIEW

Help

©National Instruments Corporation 5 NI USB-9213 User Guide and Specifications

LabVIEW Help Topics Specific to NI-DAQmx

Location Description

From the Contents tab,

Getting Started with

LabVIEW»Getting Started

with DAQ

Includes overview information and a tutorial to learn how to take

an NI-DAQmx measurement in LabVIEW using the DAQ

Assistant.

From the Contents tab,

VI and Function Reference»

Measurement I/O VIs and

Functions»DAQmx-Data

Acquisition VIs and

Functions

Describes the LabVIEW NI-DAQmx VIs and properties.

From the Contents tab,

Taking Measurements

Contains the conceptual and how-to information you need to

acquire and analyze measurement data in LabVIEW, including

common measurements, measurement fundamentals,

NI-DAQmx key concepts, and device considerations.

LabWindows™/CVI™LabWindows/CVI Help Data

Acquisition book—contains

NI-DAQmx measurement

concepts and step-by-step

instructions about creating a

measurement task using the

DAQ Assistant.

Help»Contents, then select

Using LabWindows/CVI»

Data Acquisition»Taking an

NI-DAQmx Measurement in

LabWindows/CVI

LabWindows/CVI Help

NI-DAQmx Library

book—contains NI-DAQmx

API overviews and function

reference.

Library Reference»

NI-DAQmx Library

Measurement Studio/

Microsoft Visual Studio .NET

Help/NI Measurement Studio

Help—contains NI-DAQmx

methods and properties.

Measurement Studio»

NI Measurement Studio

Help

Table 1. Related Documentation (Continued)

Software Document/Description Location/Topic

NI USB-9213 User Guide and Specifications 6 ni.com

ANSI C without

NI Application Software

NI-DAQmx Help—contains

API overviews and general

information about measure-

ment concepts.

Start»All Programs»

National Instruments»

NI-DAQ»NI-DAQmx Help

NI-DAQmx C Reference

Help—describes the

NI-DAQmx Library functions.

Start»All Programs»

National Instruments»

NI-DAQ»NI-DAQmx

C Reference Help

.NET Languages without

NI Application Software*

NI-DAQmx .NET

Help—contains conceptual

topics for using NI-DAQmx

with Visual C# and Visual

Basic .NET.

To view the NI-DAQmx .NET

documentation, go to Start»

All Programs»National

Instruments»NI-DAQ»

Text-Based Code Support»

NI-DAQmx .NET Help.

For function reference, refer to

the following topics:

NationalInstruments.DAQmx

Namespace and

NationalInstruments.DAQmx.

ComponentModel Namespace

For conceptual help, refer to

the following sections: Using

the Measurement Studio

NI-DAQmx.NET Library and

Developing with Measurement

Studio NI-DAQmx

To get to the same help topics

from within Visual Studio, go

to Help»Contents and select

Measurement Studio from the

Filtered By drop-down list.

Visual Studio .NET

Help—contains conceptual

topics for using NI-DAQmx

with Visual C# and Visual

Basic .NET.

Help»Contents. Select

Measurement Studio from

the Filtered By drop-down

list and follow the location

instructions for the

NI-DAQmx .NET Help.

*With the Microsoft .NET Framework version 1.1 or later, you can use NI-DAQmx to create applications using Visual C#

and Visual Basic .NET without Measurement Studio. You need Microsoft Visual Studio .NET 2003 or Microsoft Visual

Studio 2005 for the API documentation to be installed.

Table 1. Related Documentation (Continued)

Software Document/Description Location/Topic

©National Instruments Corporation 7 NI USB-9213 User Guide and Specifications

Training Courses

If you need more help getting started developing an application with

NI products, NI offers training courses. To enroll in a course or obtain

a detailed course outline, refer to ni.com/training.

Technical Support on the Web

For additional support, refer to ni.com/support or zone.ni.com.

Installing the Software

Software support for the NI USB-9213 for Windows Vista/XP is provided

by NI-DAQmx. The DAQ Getting Started guides, which you can download

at ni.com/manuals, offer NI-DAQmx users step-by-step instructions for

installing software and hardware, configuring channels and tasks, and

getting started developing an application.

Installing Other Software

If you are using other software, refer to the installation instructions that

accompany your software.

Example Programs

The NI-DAQmx media contains example programs that you can use to get

started programming with the NI USB-9213. Refer to the NI-DAQmx for

USB Devices Getting Started Guide that shipped with your device, and

is also accessible from Start»All Programs»National Instruments»

NI-DAQ, for more information.

Installing the NI USB-9213 Device

Before installing the device, you must install the software you plan to use

with the device. Refer to the Installing the Software section of this guide

and the documentation included with the software for more information.

NI USB-9213 User Guide and Specifications 8 ni.com

Mounting the NI USB-9213 to a Panel

Threaded inserts are located in the NI USB-9162 for mounting it to a panel.

Mount the NI USB-9162 before inserting the NI 9213. Refer to Figure 4 for

mounting dimensions.

Figure 4. Module Mounting Dimensions In Millimeters (Inches)

Installing the NI 9213 Device into the NI USB-9162 Carrier

The NI 9213 module and NI USB-9162 carrier are packaged separately.

Refer to Figure 5, while completing the following assembly steps:

1. Make sure that no signals are connected to the NI 9213 module and the

USB cable is not attached to the USB-9162.

2. Remove the protective cover from the 15-pin D-SUB connector.

3. Align the I/O module with the carrier, as shown in Figure 5.

Figure 5. Module Installation

72.2 mm

(2.84 in.)

85.7 mm

(3.37 in.)

76.1 mm

(3.00 in.)

Threaded Insert

M3 x 0.5

8.5 mm (0.34 in.) Max Depth

©National Instruments Corporation 9 NI USB-9213 User Guide and Specifications

4. Squeeze the latches and insert the NI 9213 module into the

NI USB-9162 carrier.

5. Press firmly on the connector side of the NI 9213 module until the

latches lock the module into place, as shown in Figure 6.

Figure 6. Locking Module into Place

Connecting the NI USB-9213 to a Computer

Plug one end of the USB cable into the NI USB-9213 and the other end into

an available USB port on the computer. Refer to the NI-DAQmx for USB

Devices Getting Started Guide that shipped with your device, and is also

accessible from Start»All Programs»National Instruments»NI-DAQ,

for more information.

LED Indicator

The NI USB-9213 device has a green LED next to the USB connector. The

LED indicator indicates device status, as listed in Table 2. When the device

is connected to a USB port, the LED blinks steadily to indicate that the

device is initialized and is receiving power from the connection.

If the LED is not blinking, it may mean that the device is not initialized or the

computer is in standby mode. In order for the device to be recognized, the

device must be connected to a computer that has NI-DAQmx installed on it.

If your device is not blinking, make sure your computer has the latest version

of NI-DAQmx installed on it, and the computer is not in standby mode.

Table 2. LED State/Device Status

LED State Device Status

Not lit Device not connected or in suspend.

On, not blinking Device connected, but no module installed.

Single-blink Operating normally.

Double-blink Operating normally.

Quadruple-blink Device error. Refer to ni.com/support.

NI USB-9213 User Guide and Specifications 10 ni.com

Wiring the NI USB-9213 Device

The NI USB-9213 has a 36-terminal detachable spring-terminal connector

that provides connections for 16 thermocouple channels.

Caution The NI 9940 high voltage screw terminal backshell, shown in Figure 3, must be

installed when using hazardous voltages (>42.4 Vpk, 60 VDC).

Figure 7. NI USB-9213 Terminal Assignments

You can connect thermocouple input signals to the NI USB-9213. Connect

the positive lead of the thermocouple to the TC+ terminal and the negative

lead of the thermocouple to the TC– terminal. If you are unsure which of

the thermocouple leads is positive and which is negative, check the

thermocouple documentation or the thermocouple wire spool. The

NI USB-9213 also has two common terminals, COM, that are internally

connected to the isolated ground reference of the module.

EMC Compliance

To ensure proper performance in the specified EMC environments, any

connected cable must be provided with an overall shield that is connected

to earth ground using an equipment grounding conductor of the shortest

possible length. Ensure that any wires within the cable that extend beyond

the shield are as short as possible so that the shield covers as much of the

cable as possible. For the equipment grounding conductor, use AWG 16 or

TC0+

TC1+

TC2+

TC3+

TC4+

TC5+

TC6+

TC7+

TC8+

TC9+

TC10+

TC11+

TC12+

TC13+

TC14+

TC15+

COM

TC0–

TC1–

TC2–

TC3–

TC4–

TC5–

TC6–

TC7–

TC8–

TC9–

TC10–

TC11–

TC12–

TC13–

TC14–

TC15–

COM

Tabla de contenidos

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