National Instruments NI TB-2634 Manuel utilisateur

INSTALLATION INSTRUCTIONS

NI TB-2634

4×32 2-Wire Terminal Block for the NI PXI-2529

This document describes how to install and connect signals to the

National Instruments TB-2634 terminal block. Refer to the NI Switches

Getting Started Guide to determine when to install the NI TB-2634.

Introduction

The NI TB-2634 terminal block installs in front of the NI PXI-2529 switch

module and has ribbon cable headers that provide access to the rows and

columns of the matrix. Connections for the trigger input and trigger output

signals also are available.

Caution This terminal block is rated for Measurement Category I and intended to carry

signal voltages no greater than 150 V. This module can withstand up to 800 V impulse

voltage. Do not use this module for connection to signals or for measurements within

Categories II, III, or IV. Do not connect to MAINS supply circuits (for example, wall

outlets) of 115 or 230 VAC. Refer to the Read Me First: Safety and Electromagnetic

Compatibility document for more information on measurement categories.

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.

Conventions

The following conventions are used in this document:

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NI TB-2634 Installation Instructions 2 ni.com

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1. Unpack the Terminal Block

The terminal block is shipped in an antistatic package to prevent

electrostatic discharge (ESD) that can damage several components on the

terminal block. To avoid such damage when you handle the terminal block,

take the following precautions:

Caution Never touch the exposed pins of connectors.

• Ground yourself using a grounding strap or by touching a grounded

object.

• Touch the antistatic package to a metal part of the chassis before you

remove the terminal block from the package.

Remove the terminal block from the package and inspect the terminal block

for loose components or any sign of damage. Notify NI if the terminal

block appears damaged in any way. Do not install a damaged terminal

block on a switch module.

Store the terminal block in the antistatic package when not in use.

©National Instruments Corporation 3 NI TB-2634 Installation Instructions

2. Verify the Components

Make sure you have the following:

❑NI TB-2634 terminal block

❑PXI chassis

❑NI PXI-2529 switch module

❑1/8 in. flathead screwdriver

❑Ribbon cables terminated with 2 ×16, 0.1 in. pitch sockets

Note Refer to the Accessories section for a list of vendors that supply compatible sockets

and ribbon cabling for signal connections.

3. Connect Signals

To connect signals to the terminal block, complete the following steps

while referring to Figure 1.

1. Remove the terminal block top cover screw with a flathead

screwdriver.

2. Gently lift the terminal block top cover off the terminal block.

3. Loosen the two screws on the strain-relief bar, leaving plenty of space

for the signal cables.

4. Pull the ribbon cables through the strain-relief opening as shown in

Figure 1.

5. Connect the safety earth ground to the safety ground lug.

6. Connect each ribbon cable socket to a ribbon cable header. When

connecting your signals to the headers, refer to the connection diagram

in Figure 2.

7. Remove slack in the ribbon cables by pulling them through the

strain-relief bar.

8. Tighten the two screws on the strain-relief bar until the signal wires are

secured.

9. Replace the terminal block top cover.

10. Secure the terminal block top cover with the top cover screw.

NI TB-2634 Installation Instructions 4 ni.com

Figure 1. NI TB-2634 Terminal Block

1 Strain-Relief Bar

2 Ribbon Cable (not included)

3 Strain-Relief Opening

4 Strain-Relief Screw

5 Jackscrew

6 Safety Ground Lug

7 Terminal Block Top Cover

8 Top Cover Screw

9 Rear Connector

10 Ribbon Cable Header

1 2

©National Instruments Corporation 5 NI TB-2634 Installation Instructions

Figure 2. NI TB-2634 Terminal Reference

NI TB-2634 Terminal Reference Guide

TRIGOUT

GND

TRIGIN

+ –

COLUMNS

+ –

ROWS

NO CONNECT

+ –

USE SHIELDED CABLE

ON TRIGGERS

100 POSITION CONNECTOR

NI TB-2634 Installation Instructions 6 ni.com

4. Install the Terminal Block

To connect the NI TB-2634 terminal block to the NI PXI-2529 front panel,

complete the following steps while referring to Figure 3.

1. Connect the NI PXI-2529 front connector to its mating connector on

the terminal block.

2. Tighten the top and bottom jackscrews on the terminal block to hold it

securely in place. Do not overtighten the screws.

Figure 3. Installing the NI TB-2634 Terminal Block

1 Jackscrew 2 Front Connector 3 NI PXI-2529 4 NI TB-2634

©National Instruments Corporation 7 NI TB-2634 Installation Instructions

Accessories

Refer to Table 1 for vendors of compatible sockets.

Note The ribbon cable accessories listed in Table 1 limit the maximum current you can

route to 1.5 A.

Compliance and Certifications

Safety

This product is designed to meet the requirements of the following

standards of safety for electrical equipment for measurement, control,

and laboratory use:

• IEC 61010-1, EN 61010-1

• UL 61010-1, CSA 61010-1

Note For UL and other safety certifications, refer to the product label or visit ni.com/

certification, search by model number or product line, and click the appropriate link

in the Certification column.

Electromagnetic Compatibility

This product is designed to meet the requirements of the following

standards of EMC for electrical equipment for measurement, control,

and laboratory use:

• EN 61326 EMC requirements; Minimum Immunity

• EN 55011 Emissions; Group 1, Class A

• CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A

Note For EMC compliance, operate this device with shielded cables.

Table 1. Third-Party Accessories for the NI TB-2634

Accessory Manufacturer

Manufacturer

Part Number

0.1 in. 2 ×16 low-profile ribbon cable socket Samtec HCSD-16-01

0.1 in. 2 ×16 ribbon cable assembly Samtec IDSD-16 series

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ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are

trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location:

Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents.

CE Compliance

This product meets the essential requirements of applicable European

Directives, as amended for CE marking, as follows:

• 2006/95/EC; Low-Voltage Directive (safety)

• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)

Note Refer to the Declaration of Conformity (DoC) for this product for any additional

regulatory compliance information. To obtain the DoC for this product, visit ni.com/

certification, search by model number or product line, and click the appropriate link

in the Certification column.

Environmental Management

National Instruments is committed to designing and manufacturing

products in an environmentally responsible manner. NI recognizes that

eliminating certain hazardous substances from our products is beneficial

not only to the environment but also to NI customers.

For additional environmental information, refer to the NI and the

Environment Web page at ni.com/environment. This page contains the

environmental regulations and directives with which NI complies, as well

as other environmental information not included in this document.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling

center. For more information about WEEE recycling centers and National Instruments

WEEE initiatives, visit ni.com/environment/weee.htm.

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