National Instruments NI TB-4340 Manual de usuario

USER GUIDE AND TERMINAL BLOCK

SPECIFICATIONS

NI PXIe-4340 and TB-4340

4 Ch, 24-bit, 25.6 kS/s Simultaneous AC LVDT Input Module

This document explains how to install, configure, and set up the NI PXIe-4340 LVDT and RVDT

module with the TB-4340 terminal block. Driver support for the PXIe-4340 was first available

in NI-DAQmx 15.5. For the list of devices supported by a specific release, refer to the

NI-DAQmx Readme, available on the version-specific download page or installation media.

Note The keying of this terminal block prevents it from connecting to other

modules that could be damaged by the voltage present on the terminal block.

However, you should only use these terminal blocks with their supported modules.

Contents

Electromagnetic Compatibility Guidelines .............................................................................. 2

What You Need to Get Started ................................................................................................. 2

Installation ................................................................................................................................ 3

Install the Software........................................................................................................... 3

Unpack and Install the Module......................................................................................... 3

Connect the Signals .......................................................................................................... 5

Install the Terminal Block ................................................................................................ 8

Confirm PXIe-4340 Module Recognition ........................................................................ 9

Run Test Panels ................................................................................................................ 11

Take an NI-DAQmx Measurement .................................................................................. 11

NI-DAQmx Channels and Tasks.............................................................................. 11

Configure a Task Using the DAQ Assistant in MAX .............................................. 11

Use Your PXIe-4340 Module in an Application .............................................................. 12

Programming Examples ........................................................................................... 12

Terminal Block Removal..........................................................................................................13

Module Removal ...................................................................................................................... 14

Create a Simulated Device .......................................................................................................15

More Information ..................................................................................................................... 15

Troubleshooting................................................................................................................ 15

Specifications (TB-4340) ......................................................................................................... 15

Calibration ........................................................................................................................ 15

Electrical ........................................................................................................................... 15

2|ni.com |NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

Mechanical........................................................................................................................ 16

Physical Characteristics .................................................................................................... 16

Environmental...................................................................................................................16

Operating Environment............................................................................................. 16

Storage Environment ........................................................................................................ 17

Shock and Vibration .........................................................................................................17

Safety ................................................................................................................................17

Safety Standards ...............................................................................................................17

Electromagnetic Compatibility ................................................................................................. 18

CE Compliance ................................................................................................................. 18

Online Product Certification............................................................................................. 18

Environmental Management............................................................................................. 18

Worldwide Support and Services .............................................................................................19

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

product in strict accordance with the instructions in the product documentation.

Furthermore, any 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 cables and shielded accessories. Use only twisted, shielded pair cables for

channel connections. Refer to the NI PXIe-4340 User Manual for specific guidance

on terminating cable shields.

Caution To ensure the specified EMC performance, the length of all I/O cables

must be no longer than 30 m (100 ft).

What You Need to Get Started

To set up and use a PXIe-4340 module with a TB-4340 terminal block, you need the following

items:

Hardware

– PXIe-4340 module

– TB-4340 terminal block

NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications |© National Instruments |3

– PXI Express chassis

– Cabling and sensors as required for your application

Tools

– Number 1 and 2 Phillips-head screwdrivers

– 1/8 in. flathead screwdriver

– Long-nose pliers

– Wire cutter

– Wire insulation stripper

Documentation

–NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

– NI PXIe-4340 User Manual

–NI PXIe-4340 Specifications

– PXI Express chassis user manual

You can download needed documents from ni.com/manuals.

Installation

Install the Software

Note You must be an administrator to install NI software and devices on your

computer.

Ensure that the following software is installed before installing the PXIe-4340 and TB-4340

hardware:

1. Your application software, such as LabVIEW, LabWindows™/CVI™, or .NET.

2. NI-DAQmx—PXIe-4340 modules were first supported in NI-DAQmx 15.5.

Note For detailed NI software version support, refer to the NI-DAQmx Readme.

Back up any applications before upgrading software or modifying the application.

Unpack and Install the Module

Remove the packaging and inspect the module. Contact NI if the module is damaged. Do not

install a damaged module.

Caution The module is static sensitive. Always properly ground yourself and the

equipment when handling or connecting to the module.

4|ni.com |NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

Complete the following steps to install the PXIe-4340 module while referring to Figures 1 and 2:

Note To maintain forced air cooling in the PXI Express system, refer to the

Maintain Forced-Air Cooling Note to Users.

1. Plug in your chassis before installing the PXIe-4340. The power cord grounds the chassis

and protects it from electrical damage while you install the module.

2. Make sure the chassis is powered off.

Caution To protect yourself, the chassis, and the PXIe-4340 from electrical

hazards, leave the chassis powered off until you finish installing the PXIe-4340

module.

3. Touch a metal part on the chassis to discharge any accumulated static electricity.

4. Identify a supported PXI Express slot in the chassis. PXIe-4340 modules can be placed only

in PXI Express Peripheral slots, PXI Express Hybrid Peripheral slots, and PXI Express

System Timing slots. Refer to the chassis documentation for details.

Figure 1. Symbols for PXI Express/PXI Express Hybrid/PXI Slots

5. Remove the filler panel, and touch any metal part of the chassis to discharge static

electricity.

6. Place the module edges into the module guides at the top and bottom of the slot.

Caution When installing the module, make sure both edges are positioned inside

the guides and that the module components do not come into contact with adjacent

modules.

7. Slide the module along the guides until it reaches the rear connector then seat the module

by pushing the front panel until it is flush with the front panel of the chassis.

1 PXI Express System Controller Slot

2 PXI Peripheral Slot

3 PXI Express Hybrid Peripheral Slot

4 PXI Express System Timing Slot

NI PXIe-1062Q

1 2 34

NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications |© National Instruments |5

8. Secure the module to the chassis using the front-panel captive screws, shown in Figure 2.

Tighten the screws to 0.31 N ·m (2.7 lb · in.).

Figure 2. Installing PXIe-4340 Modules

Connect the Signals

Caution To ensure the specified EMC performance, operate this product only with

shielded cables and shielded accessories. Use only twisted, shielded pair cables for

channel connections. Refer to the NI PXIe-4340 User Manual for specific guidance

on terminating cable shields.

To connect signals to the terminal block, refer to Figures 3 and 4 while completing the following

steps:

Note You can find the pinout names and locations in Measurement & Automation

Explorer (MAX) at any time by right-clicking the device name under Devices and

Interfaces and selecting Device Pinouts.

1. Loosen the captive top cover screws and remove the top cover.

2. Loosen the strain-relief screws and remove the strain-relief bar.

3. Prepare the shielded signal wire by stripping the insulation no more than 7 mm (0.28 in.).

4. Run the shielded signal wires through the strain-relief opening.

1CaptiveScrews

NI PXIe-1062Q

COOLING CLEARANCE AND FANFIL

TER MAINTENANCEREQUIRED.SEEMANUAL.

NATIONAL

INSTRUMENTS

6|ni.com |NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

Figure 3. TB-4340 Parts Locator Diagram

5. Insert the stripped end of the shielded signal wires fully into the appropriate terminal. Refer

to the label next to each screw terminal to determine the function of the terminal. The

NI PXIe-4340 User Manual provides more detailed wiring information. Make sure no

exposed wire extends past the screw terminal. Exposed wire increases the risk of a short

circuit that can cause circuit failure.

1 Strain-Relief Screws

2 Strain-Relief Bar

3 Tie Wrap Holes

4 Ground Lugs

5 Terminal Block to Module Connector

6 Captive Top Cover Screws

7TopCover

8 Tie Wraps

9 Shielded Signal Wires

NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications |© National Instruments |7

Figure 4. TB-4340 Circuit Board Parts Locator Diagram

Note Refer to the NI PXIe-4340 User Manual for wiring diagrams showing how to

connect sensors to the TB-4340.

6. Tighten the terminal screws to a torque of 0.2 to 0.25 N · m (1.77 to 2.21 lb · in.).

Caution Any wires connected to the ground must be sufficiently insulated from

high voltage.

7. Use the ground lugs to attach a shield wire to the ground.

Note Refer to the NI PXIe-4340 User Manual for details about shielding the

signals.

8. Reinstall the strain-relief bar and tighten the strain-relief screws.

9. Use tie wraps to connect the shielded signal wires to the tie-wrap holes for additional strain

relief when necessary.

10. Reinstall the top cover and tighten the captive top cover screws.

Note For information about sensors, go to ni.com/sensors.

S/N 159026B-01L NI TB-4340

EX+

EX–

RS+

RS–

AI+

AI–

AIGND

CHANNEL 0

EXITATI O N

VERIFICATION

EX+

EX–

RS+

RS–

AI+

AI–

AIGND

CHANNEL 2

EXITATI O N

VERIFICATION

EX+

EX–

RS+

RS–

AI+

AI–

AIGND

CHANNEL 1

EX+

EX–

RS+

RS–

AI+

AI–

AIGND

CHANNEL 3

PFIO

DGND

R11

R10

R13

R12

R15

R14

R17

R16

8|ni.com |NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

Install the Terminal Block

Refer to Figure 5 to install the terminal block on the module while completing the following

steps:

1. Move the TB-4340 into position in front of the PXIe-4340 and engage the alignment feature

with the guide on the associated module.

Figure 5. Installing the TB-4340 on the PXIe-4340 Module

2. Attach the TB-4340 to the PXIe-4340 module by pushing the terminal block straight into

the module. A spring mechanism will lock in the bottom of the terminal block.

3. Tighten the mounting screw at the top of the TB-4340 to attach it to the PXIe-4340 module.

Note For safety purposes and to prevent damage to equipment when high voltages

are present, all PXIe-4340 modules and TB-4340 terminal blocks are keyed to

prevent connection between incompatible terminal blocks, modules, and/or cables.

4. Power on the chassis.

1 PXI Express Controller

2 PXI Express Chassis

3 Mounting Screw

4 TB-4340 Terminal Block

5 PXIe-4340 Module

6 Alignment Feature

NI PXIe-1062Q

COOLINGCLEARANCEANDFAN FILTERMAINTENANCEREQUIRED.SEE MANUAL.

COOLING CLEARANCEAND FANFILTER MAINTENANCE REQUIRED.SEEMANUAL.

NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications |© National Instruments |9

Figure 6 shows an example PXIe-4340 system setup.

Figure 6. Sample PXIe-4340 System

Confirm PXIe-4340 Module Recognition

To confirm module recognition, complete the following steps:

Note Software support for the PXIe-4340 is provided by NI-DAQmx. The Read

Me First: NI-DAQmx and DAQ Device Installation Guide, which you can download

at ni.com/manuals, offers step-by-step NI-DAQmx instructions for installing

software and hardware, configuring channels and tasks, and getting started

developing an application. For detailed NI software version support, refer to the

NI-DAQmx Readme.

1. Launch MAX.

2. Expand Devices and Interfaces, and expand the chassis in which the module is located to

confirm that MAX detects the module and terminal block. The terminal block should

appear beneath its associated module. If your module or terminal block is not listed, press

<F5> to refresh MAX. If the module is still not recognized, go to ni.com/support/

daqmx.

1 Terminal Block 2 LVDT Sensor

NI PXIe-1062Q

COOLINGCLEARANCE AND FANFILTERMAINTENANCE REQUIRED.SEE MANUAL.

COOLING CLEARANCE AND FANFILTERMAINTENANCE REQUIRED.SEEMANUAL.

10 |ni.com |NI PXIe-4340 and TB-4340 User Guide and Terminal Block Specifications

Tip Using an NI-DAQmx simulated device, you can test NI-DAQmx applications

without installing hardware. Refer to the Create a Simulated Device section for

instructions for creating NI-DAQmx simulated devices.

3. Right-click the module name and select Self-Test. When the self-test completes, a

verification message appears. If an error occurs, refer to ni.com/support/daqmx.

For information about sensors, go to ni.com/sensors.

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