NI SCXI-1333 Manuel utilisateur

INSTALLATION INSTRUCTIONS

NI SCXI -1333

Terminal Block for the NI SCXI-1129

This guide describes how to install and connect signals to the

National Instruments SCXI-1333 terminal block to configure the

SCXI-1129 switch module as a quad 4 ×16 matrix.

You can use the SCXI-1333 with the SCXI-1129 to create four,

4×16 matrices. The SCXI-1333 is a general-purpose terminal block

that gives you access to all row and column connections. Because of

the general-purpose nature of this terminal block, you can combine the

rows and/or columns to create many different matrix configurations.

Spring terminals on the SCXI-1333 allow you to access each 4 ×16 matrix.

The SCXI-1333 provides terminals for scanner advanced output and

external input trigger signals and contains two 128-pin DIN connectors

for connecting columns between modules.

Refer to the NI Switches Getting Started Guide to determine when to install

the terminal block. Visit ni.com/switches for information on other

switching solutions.

Conventions

The following conventions are used in this guide:

»The »symbol leads you through nested menu items and dialog box options

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NI SCXI-1333 Installation Instructions 2 ni.com

This icon denotes a caution, which advises you of precautions to take to

avoid injury, data loss, or a system crash. When this symbol is marked

on a product, refer to the Read Me First: Safety and Radio-Frequency

Interference document for information about precautions to take.

bold Bold text denotes items that you must select or click in the software, such

as menu items and dialog box options. Bold text also denotes parameter

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1. Unpack the Terminal Block

To avoid damage in handling 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 your computer chassis

before removing 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 into your system.

Store the SCXI-1333 in the antistatic envelope when not in use.

©National Instruments Corporation 3 NI SCXI-1333 Installation Instructions

2. Verify the Components

Make sure that you have the following items:

❑SCXI-1333 terminal block

❑SCXI chassis

❑SCXI-1129 switch module

❑1/8 in. flathead screwdriver

❑Numbers 1 and 2 Phillips screwdrivers

❑Long-nose pliers

❑Wire cutter

❑Wire insulation stripper

❑Matrix expansion plug (to expand the number of rows of a matrix)

3. Connect Signals

To connect the signal(s) to the terminal block, refer to Figures 1 and 2

while completing the following steps:

Caution This module 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 NI Switches Getting Started Guide for more information on

measurement categories.

When hazardous voltages (>42.4 Vpk/60 VDC) are present on any relay terminal, safety

low-voltage (≤42.4 Vpk/60 VDC) cannot be connected to any other relay terminal.

1. Prepare the signal wire by stripping the insulation no more than 7 mm

from the end of the wire.

2. Remove the top cover screw.

3. Unsnap and remove the top cover.

4. Loosen the two strain-relief screws on the strain-relief bar.

5. Run the signal wires through the strain-relief opening.

NI SCXI-1333 Installation Instructions 4 ni.com

6. Use a flathead screwdriver to press the spring tab of a spring terminal.

Insert the stripped end of the wire fully into the spring terminal.

Release the spring tab to secure the wire. No bare wire should extend

past the spring terminal. Exposed wire increases the risk of a

short-circuit causing a failure.

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

8. Tighten the two screws on the strain-relief assembly to secure the

cables.

9. Reinstall the top cover.

10. Replace the top cover screw.

Figure 1. SCXI-1333 Top Cover Diagram

1TopCover 2 Top Cover Screw

©National Instruments Corporation 5 NI SCXI-1333 Installation Instructions

Figure 2. SCXI-1333 Parts Locator Diagram

1 Spring Terminals

2 Column Connectors

3 Rear Connector

4 Thumbscrew

5 Spring Pad

6 Strain-Relief Screw

7 Strain-Relief Bar

8 Safety Ground Lug

NI SCXI-1333 Installation Instructions 6 ni.com

4. Install the Terminal Block

To connect the SCXI-1333 to the SCXI-1129 front panel, refer to Figure 3

and complete the following steps:

Note Install the SCXI-1129 if you have not already done so. Refer to the NI Switches

Getting Started Guide for more information.

1. Plug the SCXI-1333 onto the front connector of the SCXI-1129.

2. Tighten the top and bottom thumbscrews on the terminal block rear

panel to hold it securely in place.

Figure 3. Installing the SCXI-1333 Terminal Block

1Thumbscrews 2 Front Connector 3 SCXI-1129 4 SCXI-1333

©National Instruments Corporation 7 NI SCXI-1333 Installation Instructions

5. Expand the Number of Rows

The SCXI-1333 offers convenient methods for expanding the number

of rows of a matrix using two or more SCXI-1333 terminal blocks.

Caution When using matrix expansion plugs, only connect terminal blocks of the same

type. Connecting different types of terminal blocks can damage the module or the

equipment connected to the module. For example, you can connect two or more

SCXI-1333 terminal blocks; however, do not connect the SCXI-1333 with any other

type of terminal block.

Figure 4 shows how to use a matrix expansion plug with SCXI terminal

blocks to expand the number of rows of a 4 ×32 matrix, as an example.

The matrix expansion plug connects columns to expand the number

of rows. To expand the number of rows of a matrix, connect a matrix

expansion plug to the top or bottom column connectors of the two terminal

blocks.

Figure 4. Expanding the Number of Rows with the Matrix Expansion Plug

1 Matrix Expansion Plug 2 Thumbscrews 3 Column Connectors

Module 1

Matrix

Expansion

Plug

Module 2

NI SCXI-1333 Installation Instructions 8 ni.com

The SCXI-1333 configures the SCXI-1129 as four separate

4×16 matrices. Connecting two SCXI-1333 terminal blocks

as described above creates four separate 8 ×16 matrices.

Specifications

Maximum Working Voltage

Maximum working voltage refers to the signal voltage plus the

common-mode voltage.

Channel-to-earth .....................................150 V, Installation Category I

Channel-to-channel.................................150 V

Maximum Current

Maximum current

(per channel) ...........................................2 ADC, 2 AAC

Environmental

Operating temperature ............................0 to 50 °C

Storage temperature................................–20 to 70 °C

Humidity.................................................10 to 90% RH, noncondensing

Pollution Degree .....................................2

Approved at altitudes up to 2,000 m

Indoor use only

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 3111-1, 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.

©National Instruments Corporation 9 NI SCXI-1333 Installation Instructions

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.

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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