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INSTALLATION INSTRUCTIONS
NI SCXI -1378
Terminal Block for the NI SCXI-1130
Conventions
»
™
This guide describes how to install and connect signals to the
National Instruments SCXI-1378 terminal block to configure
the SCXI-1130 as a:
•
4x64, 1-wire matrix
•
4x32, 2-wire matrix
The SCXI-1378 terminal block installs in front of the SCXI-1130 switch
module. The SCXI-1378 has screw terminals available to connect signals
and trigger input and trigger output signals to the terminal block.
Refer to the NI Switches Getting Started Guide to determine when to install
the terminal block.
The following conventions are used in this guide:
The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence File»Page Setup»Options directs you to
pull down the File menu, select the Page Setup item, and select Options
from the last dialog box.
This icon denotes a tip, which alerts you to advisory information.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash.
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Table of Contents
Related Manuals for National Instruments SCXI-1378
Summary of Contents for National Instruments SCXI-1378
- Page 1 4x64, 1-wire matrix • 4x32, 2-wire matrix The SCXI-1378 terminal block installs in front of the SCXI-1130 switch module. The SCXI-1378 has screw terminals available to connect signals and trigger input and trigger output signals to the terminal block. Refer to the NI Switches Getting Started Guide to determine when to install the terminal block.
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Page 2: Unpack The Terminal Block
Store the terminal block in the antistatic package when not in use. 2. Verify the Components Make sure that you have the following items: ❑ SCXI-1378 terminal block ❑ SCXI chassis ❑ SCXI-1130 switch module ❑ 1/8 inch flathead screwdriver ❑ Phillips screwdriver NI SCXI-1378 Installation Instructions ni.com... -
Page 3: Connect Signals
Matrix expansion cable (to expand the columns of a matrix) ❑ Matrix expansion plug (to expand the rows of a matrix) NI recommends using 28 AWG wire (ribbon or discrete) for use with the SCXI-1378 terminal block. 3. Connect Signals... - Page 4 9 Column Connector 3 Safety Ground Lug 10 Strain-Relief Screw 4 Screw Terminals 11 Strain-Relief Bar 5 Column Connector 12 Strain-Relief Opening 6 Rear Connectors 13 Row Connector 7 Top Cover Screw Figure 1. SCXI-1378 Terminal Block NI SCXI-1378 Installation Instructions ni.com...
- Page 5 128 POSITION ROW EXPANSION CONNECTOR COLUMN COLUMN COLUMN COLUMN USE SHIELDED CABLE 5V MAX TRIGOUT TRIGIN Figure 2. SCXI-1378 Terminal Block Signal Connections © National Instruments Corporation NI SCXI-1378 Installation Instructions...
- Page 6 COLUMN 58 COLUMN 13 COLUMN 36 COLUMN 59 COLUMN 14 COLUMN 37 COLUMN 60 COLUMN 15 COLUMN 38 COLUMN 61 COLUMN 16 COLUMN 39 COLUMN 62 COLUMN 17 COLUMN 40 COLUMN 63 COLUMN 18 COLUMN 41 NI SCXI-1378 Installation Instructions ni.com...
- Page 7 4. Expanding Rows & Columns The SCXI-1378 terminal blocks offers convenient methods for expanding the rows and/or columns of a matrix using two or more SCXI-1378 terminal blocks. If you are not expanding the rows or columns of the matrix, skip to the Install the Terminal Block section. For more information about expanding matrices, refer to the NI Switches Help.
- Page 8 The matrix expansion plug connects columns to expand the rows. To expand the rows of a matrix, complete the following steps: Connect two SCXI-1378 terminal blocks to the front connectors of two adjacent SCXI-1130 modules. Tighten the top and bottom chassis screws on the back of the terminal block rear panels to hold them securely in place.
- Page 9 Connect the other end of the matrix expansion cable to one of the ROW CONNECTION CABLE terminals in another SCXI-1378. Connect the two SCXI-1378 terminal blocks to the front connectors of the two SCXI-1130 modules. Tighten the top and bottom chassis screws on the back of the terminal block rear panels to hold them securely in place.
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Page 10: Install The Terminal Block
5. Install the Terminal Block To connect the SCXI-1378 terminal block to the SCXI-1130 front panel, refer to Figure 5 and complete the following steps (the SCXI-1130 should already be installed in an SCXI chassis): Plug the SCXI-1378 onto the front connectors of the SCXI-1130. -
Page 11: Compliance And Certifications
Refer to the Declaration of Conformity (DoC) for this product for any additional Note regulatory compliance information. To obtain the DoC for this product, visit , search by model number or product line, and click the ni.com/certification appropriate link in the Certification column. © National Instruments Corporation NI SCXI-1378 Installation Instructions... - Page 12 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on 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.